lab4 init
This commit is contained in:
jazzy1902
parent
785b4a63ac
commit
9ea749581f
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{
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"files.associations": {
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"iostream": "cpp",
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"array": "cpp",
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"atomic": "cpp",
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"bit": "cpp",
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"*.tcc": "cpp",
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"cctype": "cpp",
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"charconv": "cpp",
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"chrono": "cpp",
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"clocale": "cpp",
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"cmath": "cpp",
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"compare": "cpp",
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"concepts": "cpp",
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"cstdarg": "cpp",
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"cstddef": "cpp",
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"cstdint": "cpp",
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"cstdio": "cpp",
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"cstdlib": "cpp",
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"ctime": "cpp",
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"cwchar": "cpp",
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"cwctype": "cpp",
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"deque": "cpp",
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"string": "cpp",
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"unordered_map": "cpp",
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"vector": "cpp",
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"exception": "cpp",
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"algorithm": "cpp",
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"functional": "cpp",
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"iterator": "cpp",
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"memory": "cpp",
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"memory_resource": "cpp",
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"numeric": "cpp",
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"optional": "cpp",
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"random": "cpp",
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"ratio": "cpp",
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"string_view": "cpp",
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"system_error": "cpp",
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"tuple": "cpp",
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"type_traits": "cpp",
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"utility": "cpp",
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"fstream": "cpp",
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"initializer_list": "cpp",
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"iomanip": "cpp",
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"iosfwd": "cpp",
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"istream": "cpp",
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"limits": "cpp",
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"new": "cpp",
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"numbers": "cpp",
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"ostream": "cpp",
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"span": "cpp",
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"sstream": "cpp",
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"stdexcept": "cpp",
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"streambuf": "cpp",
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"typeinfo": "cpp",
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"variant": "cpp",
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"format": "cpp"
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}
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}
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#include "important.h"
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#include <iostream>
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#include <cstdint>
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#include <chrono>
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#include <fstream>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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using namespace std;
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int main(int argc, char *argv[]) {
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// if(argc != 3)
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// {
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// cout << "usage: ./a.out <path-to-original-image> <path-to-transformed-image>\n\n";
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// exit(0);
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// }
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// auto startread = chrono::high_resolution_clock::now();
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// struct image_t *input_image = read_ppm_file(argv[1]);
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// auto endread = std::chrono::high_resolution_clock::now();
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// auto startsmooth = chrono::high_resolution_clock::now();
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// struct image_t *smoothened_image = S1_smoothen(input_image);
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// auto endsmooth = std::chrono::high_resolution_clock::now();
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// auto startdetail = chrono::high_resolution_clock::now();
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// struct image_t *details_image = S2_find_details(input_image, smoothened_image);
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// auto enddetail = std::chrono::high_resolution_clock::now();
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// auto startsharp = chrono::high_resolution_clock::now();
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// struct image_t *sharpened_image = S3_sharpen(input_image, details_image);
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// auto endsharp = std::chrono::high_resolution_clock::now();
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int pipe1[2];
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int pipe2[2];
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char buf;
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pid_t CHILD;
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if (pipe(pipe1) == -1) {
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perror("pipe1");
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exit(EXIT_FAILURE);
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}
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CHILD = fork();
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if (CHILD == -1) {
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perror("fork");
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exit(EXIT_FAILURE);
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}
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if (CHILD == 0) { /* Child reads from pipe */
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if (pipe(pipe2) == -1) {
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perror("pipe2");
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exit(EXIT_FAILURE);
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}
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pid_t GRAND_CHILD = fork();
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if (GRAND_CHILD == -1) {
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perror("fork");
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exit(EXIT_FAILURE);
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}
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if (GRAND_CHILD == 0) { /* Child reads from pipe */
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close(pipe1[1]); /* Close unused write end for s1_s2 pipe */
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close(pipe1[0]); /* Close unused read end for s1_s2 pipe */
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close(pipe2[1]); /* Close unused write end for s2_s3 pipe */
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char to_print[] = "C : x\n";
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char buf1;
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while (read(pipe2[0], &buf1, 1) > 0)
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{
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cout << "in child ka child" << endl;
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to_print[4] = buf;
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}
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close(pipe2[0]);
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exit(EXIT_SUCCESS);
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}
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else {
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close(pipe1[1]); /* Close unused write end for s1_s2 pipe */
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close(pipe2[0]); /* Close unused read end for s2_s3 pipe */
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char to_print[] = "C : x\n";
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while (read(pipe1[0], &buf, 1) > 0)
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{
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printf("child reading from pipe\n");
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to_print[4] = buf;
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write(STDOUT_FILENO, &to_print, strlen(to_print));
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}
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printf("child writing to pipe\n");
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write(STDOUT_FILENO, "\n", 1);
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write(pipe2[1], argv[1], strlen(argv[1]));
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close(pipe1[0]);
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close(pipe2[1]);
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wait(NULL);
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exit(EXIT_SUCCESS);
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}
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}
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else { /* Parent writes argv[1] to pipe */
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close(pipe1[0]); /* Close unused read end of pipe 1 */
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close(pipe2[0]); /* Close unused read end of pipe 2*/
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close(pipe2[1]); /* Close unused write end of pipe 2*/
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printf("parent writing to pipe\n");
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write(pipe1[1], argv[1], strlen(argv[1]));
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close(pipe1[1]); /* Reader will see EOF */
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wait(NULL); /* Wait for child */
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}
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cout << "success" << endl;
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return 0;
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}
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@ -0,0 +1,38 @@
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../images/1.ppm 0.0240894
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../images/2.ppm 0.0798028
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../images/3.ppm 0.136535
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../images/4.ppm 0.248314
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../images/5.ppm 0.363927
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../images/6.ppm 0.814739
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../images/7.ppm 3.20648
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../images/1.ppm 0.0255179
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../images/2.ppm 0.082453
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../images/3.ppm 0.187293
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../images/4.ppm 0.504723
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../images/5.ppm 0.421034
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../images/6.ppm 0.905171
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../images/7.ppm 4.12279
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../images/1.ppm 0.0105311
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../images/2.ppm 0.0422888
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../images/3.ppm 0.0912897
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../images/4.ppm 0.204927
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../images/5.ppm 0.497162
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../images/6.ppm 0.452158
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../images/7.ppm 1.66216
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../images/1.ppm 0.0135349
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../images/2.ppm 0.0437362
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../images/3.ppm 0.0821199
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../images/4.ppm 0.54249
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../images/5.ppm 0.39126
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../images/6.ppm 0.555806
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../images/7.ppm 2.16977
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../images/1.ppm 0.0217065
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../images/2.ppm 0.0748607
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../images/3.ppm 0.174253
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../images/4.ppm 0.201994
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../images/5.ppm 0.352959
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../images/6.ppm 0.497504
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../images/7.ppm 1.79435
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../images/1.ppm 0.00378666
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../images/2.ppm 0.0142673
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../images/3.ppm 0.0612914
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import matplotlib.pyplot as plt
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pixels = [81000, 308898, 588800, 1164800, 1500000, 3406500, 9262500]
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read_time = [0.0372315, 0.1104362, 0.162849, 0.3120326, 0.4681494, 0.9840036, 1.665642]
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smoothened_time = [0.03347448, 0.1221104, 0.2514082, 0.4795412, 0.6044902, 1.1334092, 2.453936]
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details_time = [0.01907596, 0.0646283, 0.13429812, 0.3404896, 0.4052684, 0.6450756, 2.591112]
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sharpened_time = [0.02013736, 0.07459558, 0.13045596, 0.2987406, 0.4569202, 0.699245, 3.019178]
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write_time = [0.010278664, 0.03954574, 0.05814792, 0.1842653, 0.2484992, 0.304828, 1.119439]
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plt.figure(figsize=(12, 8))
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plt.plot(pixels, read_time, marker='o', label='Read Time')
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plt.plot(pixels, smoothened_time, marker='o', label='Smoothened Time')
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plt.plot(pixels, details_time, marker='o', label='Details Time')
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plt.plot(pixels, sharpened_time, marker='o', label='Sharpened Time')
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plt.plot(pixels, write_time, marker='o', label='Write Time')
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plt.xlabel('Pixels')
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plt.ylabel('Time (seconds)')
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plt.title('Pixels vs Time')
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plt.legend()
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plt.grid(True)
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plt.xscale('log')
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plt.yscale('log')
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plt.show()
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@ -0,0 +1,244 @@
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#include <iostream>
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#include "libppm.h"
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#include <cstdint>
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#include <chrono>
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#include <fstream>
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using namespace std;
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struct image_t* S1_smoothen(struct image_t *input_image)
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{
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//cout << input_image->width << input_image->height << " " << input_image->image_pixels << endl;
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int width = input_image->width;
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int height = input_image->height;
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// memory allocation
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struct image_t* smoother = new struct image_t;
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smoother->height = height;
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smoother->width = width;
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smoother->image_pixels = new uint8_t**[height];
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for(int i = 0; i < height; i++)
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{
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smoother->image_pixels[i] = new uint8_t*[width];
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for(int j = 0; j < width; j++)
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smoother->image_pixels[i][j] = new uint8_t[3];
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}
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for(int i = 1; i < height-1; i++)
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{
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for(int j = 1; j < width-1; j++)
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{
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for(int k = 0; k < 3; k++)
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{
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//image->image_pixels[i][j][k] = val;
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// edge cases
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if(i == 0 && j == 0) { // i-1 and j - 1 doesnt exist
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smoother->image_pixels[i][j][k] = ( input_image->image_pixels[i][j][k] / 9+ input_image->image_pixels[i][j+1][k] / 9 + input_image->image_pixels[i+1][j][k] / 9 + input_image->image_pixels[i+1][j+1][k] / 9);
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}
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else if(i == height - 1 && j == 0) { // i+1 and j-1 does not exist
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smoother->image_pixels[i][j][k] = ( input_image->image_pixels[i-1][j][k] / 9 + input_image->image_pixels[i-1][j+1][k] / 9+ input_image->image_pixels[i][j][k] / 9+ input_image->image_pixels[i][j+1][k] / 9);
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}
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else if(i == 0 && j == width - 1) { // i-1 and j+1 does not exist
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smoother->image_pixels[i][j][k] = ( input_image->image_pixels[i][j-1][k] / 9 + input_image->image_pixels[i][j][k] / 9+ input_image->image_pixels[i+1][j-1][k] / 9 + input_image->image_pixels[i+1][j][k] / 9);
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}
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else if(i == height - 1 && j == width - 1) { // i+1 and j+1 does not exist
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smoother->image_pixels[i][j][k] = ( input_image->image_pixels[i-1][j-1][k] / 9 + input_image->image_pixels[i-1][j][k] / 9 + input_image->image_pixels[i][j-1][k] / 9 + input_image->image_pixels[i][j][k] / 9);
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}
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else if (i == 0) { // i - 1 does not exist
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smoother->image_pixels[i][j][k] = ( input_image->image_pixels[i][j-1][k] / 9 + input_image->image_pixels[i][j][k] / 9+ input_image->image_pixels[i][j+1][k] / 9+ input_image->image_pixels[i+1][j-1][k] / 9+ input_image->image_pixels[i+1][j][k] / 9+ input_image->image_pixels[i+1][j+1][k] / 9);
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}
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else if(j == 0) { // j -1 does not exist
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smoother->image_pixels[i][j][k] = ( input_image->image_pixels[i-1][j][k] / 9+ input_image->image_pixels[i-1][j+1][k] / 9+ input_image->image_pixels[i][j][k] / 9+ input_image->image_pixels[i][j+1][k] / 9+ input_image->image_pixels[i+1][j][k] / 9+ input_image->image_pixels[i+1][j+1][k]/ 9);
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}
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else if(i == height - 1) { // i+1 does not exist
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smoother->image_pixels[i][j][k] = ( input_image->image_pixels[i-1][j-1][k] / 9+ input_image->image_pixels[i-1][j][k] / 9+ input_image->image_pixels[i-1][j+1][k] / 9+ input_image->image_pixels[i][j-1][k] / 9+ input_image->image_pixels[i][j][k] / 9+ input_image->image_pixels[i][j+1][k]/ 9);
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}
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else if(j == width - 1) { // j + 1 does not exist
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smoother->image_pixels[i][j][k] = ( input_image->image_pixels[i-1][j-1][k] / 9+ input_image->image_pixels[i-1][j][k] / 9+ input_image->image_pixels[i][j-1][k] / 9+ input_image->image_pixels[i][j][k]/ 9 + input_image->image_pixels[i+1][j-1][k] / 9+ input_image->image_pixels[i+1][j][k] / 9);
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}
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else {
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smoother->image_pixels[i][j][k] = ( input_image->image_pixels[i-1][j-1][k] / 9 + input_image->image_pixels[i-1][j][k] / 9 + input_image->image_pixels[i-1][j+1][k]/9 + input_image->image_pixels[i][j-1][k]/9 + input_image->image_pixels[i][j][k] / 9 + input_image->image_pixels[i][j+1][k] / 9 + input_image->image_pixels[i+1][j-1][k] / 9 + input_image->image_pixels[i+1][j][k] / 9 + input_image->image_pixels[i+1][j+1][k] / 9);
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}
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}
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}
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}
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return smoother;
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}
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struct image_t* S2_find_details(struct image_t *input_image, struct image_t *smoothened_image)
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{
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// TODO
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int width = input_image->width;
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int height = input_image->height;
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struct image_t* details = new struct image_t;
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details->height = height;
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details->width = width;
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details->image_pixels = new uint8_t**[height];
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for(int i = 0; i < height; i++)
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{
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details->image_pixels[i] = new uint8_t*[width];
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for(int j = 0; j < width; j++)
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details->image_pixels[i][j] = new uint8_t[3];
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}
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for(int i = 1; i < height-1; i++)
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{
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for(int j = 1; j < width-1; j++)
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{
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for(int k = 0; k < 3; k++)
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{
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details->image_pixels[i][j][k] = max(0, input_image->image_pixels[i][j][k] - smoothened_image->image_pixels[i][j][k]);
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}
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}
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}
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return details;
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}
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struct image_t* Rotate_image(struct image_t *input_image)
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{
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// TODO
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int width = input_image->width;
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int height = input_image->height;
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struct image_t* rotated = new struct image_t;
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rotated->height = width;
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rotated->width = height;
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rotated->image_pixels = new uint8_t**[height];
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for(int i = 0; i < rotated->height; i++)
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{
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rotated->image_pixels[i] = new uint8_t*[rotated->width];
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for(int j = 0; j < rotated->width; j++)
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rotated->image_pixels[i][j] = new uint8_t[3];
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}
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for(int i = 1; i < rotated->height-1; i++)
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{
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for(int j = 1; j < rotated->width-1; j++)
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{
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for(int k = 0; k < 3; k++)
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{
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rotated->image_pixels[i][j][k] = input_image->image_pixels[j][i][k];
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}
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}
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}
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return rotated;
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}
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struct image_t* S3_sharpen(struct image_t *input_image, struct image_t *details_image)
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{
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// TODO
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int width = input_image->width;
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int height = input_image->height;
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int a = 1;
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struct image_t* sharp = new struct image_t;
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sharp->height = height;
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sharp->width = width;
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sharp->image_pixels = new uint8_t**[height];
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for(int i = 0; i < height; i++)
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{
|
||||
sharp->image_pixels[i] = new uint8_t*[width];
|
||||
for(int j = 0; j < width; j++)
|
||||
sharp->image_pixels[i][j] = new uint8_t[3];
|
||||
}
|
||||
|
||||
for(int i = 1; i < height-1; i++)
|
||||
{
|
||||
for(int j = 1; j < width-1; j++)
|
||||
{
|
||||
for(int k = 0; k < 3; k++)
|
||||
{
|
||||
sharp->image_pixels[i][j][k] = min(255, input_image->image_pixels[i][j][k] + details_image->image_pixels[i][j][k]) * a;
|
||||
}
|
||||
}
|
||||
}
|
||||
return sharp; //TODO remove this line when adding your code
|
||||
}
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
if(argc != 3)
|
||||
{
|
||||
cout << "usage: ./a.out <path-to-original-image> <path-to-transformed-image>\n\n";
|
||||
exit(0);
|
||||
}
|
||||
|
||||
auto startread = chrono::high_resolution_clock::now();
|
||||
struct image_t *input_image = read_ppm_file(argv[1]);
|
||||
auto endread = std::chrono::high_resolution_clock::now();
|
||||
|
||||
auto startsmooth = chrono::high_resolution_clock::now();
|
||||
struct image_t *smoothened_image = S1_smoothen(input_image);
|
||||
auto endsmooth = std::chrono::high_resolution_clock::now();
|
||||
|
||||
auto startdetail = chrono::high_resolution_clock::now();
|
||||
struct image_t *details_image = S2_find_details(input_image, smoothened_image);
|
||||
auto enddetail = std::chrono::high_resolution_clock::now();
|
||||
|
||||
auto startsharp = chrono::high_resolution_clock::now();
|
||||
struct image_t *sharpened_image = S3_sharpen(input_image, details_image);
|
||||
auto endsharp = std::chrono::high_resolution_clock::now();
|
||||
|
||||
struct image_t *rotated_image = Rotate_image(input_image);
|
||||
|
||||
auto startwrite = chrono::high_resolution_clock::now();
|
||||
write_ppm_file(argv[2], rotated_image);
|
||||
auto endwrite = std::chrono::high_resolution_clock::now();
|
||||
|
||||
chrono::duration<double> readduration = endread - startread;
|
||||
chrono::duration<double> smoothduration = endsmooth - startsmooth;
|
||||
chrono::duration<double> detailduration = enddetail - startdetail;
|
||||
chrono::duration<double> sharpduration = endsharp - startsharp;
|
||||
chrono::duration<double> writeduration = endwrite - startwrite;
|
||||
|
||||
|
||||
ofstream logFile("read_times.txt", std::ios_base::app);
|
||||
if (logFile.is_open()) {
|
||||
logFile << argv[1] << " ";
|
||||
logFile << readduration.count() << endl;
|
||||
logFile.close();
|
||||
}
|
||||
|
||||
logFile.open("smooth_times.txt", std::ios_base::app);
|
||||
if (logFile.is_open()) {
|
||||
logFile << argv[1] << " ";
|
||||
logFile << smoothduration.count() << endl;
|
||||
logFile.close();
|
||||
}
|
||||
|
||||
logFile.open("detail_times.txt", std::ios_base::app);
|
||||
if (logFile.is_open()) {
|
||||
logFile << argv[1] << " ";
|
||||
logFile << detailduration.count() << endl;
|
||||
logFile.close();
|
||||
}
|
||||
|
||||
logFile.open("sharp_times.txt", std::ios_base::app);
|
||||
if (logFile.is_open()) {
|
||||
logFile << argv[1] << " ";
|
||||
logFile << sharpduration.count() << endl;
|
||||
logFile.close();
|
||||
}
|
||||
|
||||
logFile.open("write_times.txt", std::ios_base::app);
|
||||
if (logFile.is_open()) {
|
||||
logFile << argv[1] << " ";
|
||||
logFile << writeduration.count() << endl;
|
||||
logFile.close();
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,277 @@
|
|||
#include <iostream>
|
||||
#include "important.h"
|
||||
#include <cstdint>
|
||||
#include <chrono>
|
||||
#include <fstream>
|
||||
|
||||
using namespace std;
|
||||
|
||||
struct image_t* S1_smoothen(struct image_t *input_image)
|
||||
{
|
||||
//cout << input_image->width << input_image->height << " " << input_image->image_pixels << endl;
|
||||
int width = input_image->width;
|
||||
int height = input_image->height;
|
||||
|
||||
// memory allocation
|
||||
struct image_t* smoother = new struct image_t;
|
||||
smoother->height = height;
|
||||
smoother->width = width;
|
||||
smoother->image_pixels = new uint8_t**[height];
|
||||
for(int i = 0; i < height; i++)
|
||||
{
|
||||
smoother->image_pixels[i] = new uint8_t*[width];
|
||||
for(int j = 0; j < width; j++)
|
||||
smoother->image_pixels[i][j] = new uint8_t[3];
|
||||
}
|
||||
|
||||
for(int i = 1; i < height-1; i++)
|
||||
{
|
||||
for(int j = 1; j < width-1; j++)
|
||||
{
|
||||
for(int k = 0; k < 3; k++)
|
||||
{
|
||||
//image->image_pixels[i][j][k] = val;
|
||||
// edge cases
|
||||
if(i == 0 && j == 0) { // i-1 and j - 1 doesnt exist
|
||||
smoother->image_pixels[i][j][k] = ( input_image->image_pixels[i][j][k] / 9+ input_image->image_pixels[i][j+1][k] / 9 + input_image->image_pixels[i+1][j][k] / 9 + input_image->image_pixels[i+1][j+1][k] / 9);
|
||||
|
||||
}
|
||||
else if(i == height - 1 && j == 0) { // i+1 and j-1 does not exist
|
||||
smoother->image_pixels[i][j][k] = ( input_image->image_pixels[i-1][j][k] / 9 + input_image->image_pixels[i-1][j+1][k] / 9+ input_image->image_pixels[i][j][k] / 9+ input_image->image_pixels[i][j+1][k] / 9);
|
||||
}
|
||||
|
||||
else if(i == 0 && j == width - 1) { // i-1 and j+1 does not exist
|
||||
smoother->image_pixels[i][j][k] = ( input_image->image_pixels[i][j-1][k] / 9 + input_image->image_pixels[i][j][k] / 9+ input_image->image_pixels[i+1][j-1][k] / 9 + input_image->image_pixels[i+1][j][k] / 9);
|
||||
}
|
||||
else if(i == height - 1 && j == width - 1) { // i+1 and j+1 does not exist
|
||||
smoother->image_pixels[i][j][k] = ( input_image->image_pixels[i-1][j-1][k] / 9 + input_image->image_pixels[i-1][j][k] / 9 + input_image->image_pixels[i][j-1][k] / 9 + input_image->image_pixels[i][j][k] / 9);
|
||||
}
|
||||
else if (i == 0) { // i - 1 does not exist
|
||||
smoother->image_pixels[i][j][k] = ( input_image->image_pixels[i][j-1][k] / 9 + input_image->image_pixels[i][j][k] / 9+ input_image->image_pixels[i][j+1][k] / 9+ input_image->image_pixels[i+1][j-1][k] / 9+ input_image->image_pixels[i+1][j][k] / 9+ input_image->image_pixels[i+1][j+1][k] / 9);
|
||||
}
|
||||
|
||||
else if(j == 0) { // j -1 does not exist
|
||||
smoother->image_pixels[i][j][k] = ( input_image->image_pixels[i-1][j][k] / 9+ input_image->image_pixels[i-1][j+1][k] / 9+ input_image->image_pixels[i][j][k] / 9+ input_image->image_pixels[i][j+1][k] / 9+ input_image->image_pixels[i+1][j][k] / 9+ input_image->image_pixels[i+1][j+1][k]/ 9);
|
||||
}
|
||||
|
||||
else if(i == height - 1) { // i+1 does not exist
|
||||
smoother->image_pixels[i][j][k] = ( input_image->image_pixels[i-1][j-1][k] / 9+ input_image->image_pixels[i-1][j][k] / 9+ input_image->image_pixels[i-1][j+1][k] / 9+ input_image->image_pixels[i][j-1][k] / 9+ input_image->image_pixels[i][j][k] / 9+ input_image->image_pixels[i][j+1][k]/ 9);
|
||||
}
|
||||
else if(j == width - 1) { // j + 1 does not exist
|
||||
smoother->image_pixels[i][j][k] = ( input_image->image_pixels[i-1][j-1][k] / 9+ input_image->image_pixels[i-1][j][k] / 9+ input_image->image_pixels[i][j-1][k] / 9+ input_image->image_pixels[i][j][k]/ 9 + input_image->image_pixels[i+1][j-1][k] / 9+ input_image->image_pixels[i+1][j][k] / 9);
|
||||
}
|
||||
else {
|
||||
smoother->image_pixels[i][j][k] = ( input_image->image_pixels[i-1][j-1][k] / 9 + input_image->image_pixels[i-1][j][k] / 9 + input_image->image_pixels[i-1][j+1][k]/9 + input_image->image_pixels[i][j-1][k]/9 + input_image->image_pixels[i][j][k] / 9 + input_image->image_pixels[i][j+1][k] / 9 + input_image->image_pixels[i+1][j-1][k] / 9 + input_image->image_pixels[i+1][j][k] / 9 + input_image->image_pixels[i+1][j+1][k] / 9);
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return smoother;
|
||||
}
|
||||
|
||||
struct image_t* S2_find_details(struct image_t *input_image, struct image_t *smoothened_image)
|
||||
{
|
||||
// TODO
|
||||
int width = input_image->width;
|
||||
int height = input_image->height;
|
||||
|
||||
struct image_t* details = new struct image_t;
|
||||
details->height = height;
|
||||
details->width = width;
|
||||
details->image_pixels = new uint8_t**[height];
|
||||
|
||||
for(int i = 0; i < height; i++)
|
||||
{
|
||||
details->image_pixels[i] = new uint8_t*[width];
|
||||
for(int j = 0; j < width; j++)
|
||||
details->image_pixels[i][j] = new uint8_t[3];
|
||||
}
|
||||
|
||||
for(int i = 1; i < height-1; i++)
|
||||
{
|
||||
for(int j = 1; j < width-1; j++)
|
||||
{
|
||||
for(int k = 0; k < 3; k++)
|
||||
{
|
||||
details->image_pixels[i][j][k] = max(0, input_image->image_pixels[i][j][k] - smoothened_image->image_pixels[i][j][k]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return details;
|
||||
}
|
||||
|
||||
struct image_t* S3_sharpen(struct image_t *input_image, struct image_t *details_image)
|
||||
{
|
||||
// TODO
|
||||
int width = input_image->width;
|
||||
int height = input_image->height;
|
||||
|
||||
int a = 1;
|
||||
|
||||
struct image_t* sharp = new struct image_t;
|
||||
sharp->height = height;
|
||||
sharp->width = width;
|
||||
sharp->image_pixels = new uint8_t**[height];
|
||||
|
||||
for(int i = 0; i < height; i++)
|
||||
{
|
||||
sharp->image_pixels[i] = new uint8_t*[width];
|
||||
for(int j = 0; j < width; j++)
|
||||
sharp->image_pixels[i][j] = new uint8_t[3];
|
||||
}
|
||||
|
||||
for(int i = 1; i < height-1; i++)
|
||||
{
|
||||
for(int j = 1; j < width-1; j++)
|
||||
{
|
||||
for(int k = 0; k < 3; k++)
|
||||
{
|
||||
sharp->image_pixels[i][j][k] = min(255, input_image->image_pixels[i][j][k] + details_image->image_pixels[i][j][k]) * a;
|
||||
}
|
||||
}
|
||||
}
|
||||
return sharp; //TODO remove this line when adding your code
|
||||
}
|
||||
|
||||
|
||||
uint8_t skip_blanks_comments_while_reading(ifstream *read_stream) //returns the byte at the first position after the skipping of the blank space
|
||||
{
|
||||
uint8_t val;
|
||||
while(true)
|
||||
{
|
||||
val = read_stream->get();
|
||||
if(val == '#')
|
||||
{
|
||||
while(val != '\n')
|
||||
{
|
||||
val = read_stream->get();
|
||||
}
|
||||
}
|
||||
if(val == '\n' || val == ' ' || val == '\t')
|
||||
{
|
||||
continue;
|
||||
}
|
||||
else if(val != '#')
|
||||
return val;
|
||||
}
|
||||
return val;
|
||||
}
|
||||
|
||||
struct image_t* read_ppm_file(char* path_to_input_file)
|
||||
{
|
||||
//cout << "input image file = " << path_to_input_file << "\n";
|
||||
|
||||
ifstream read_stream(path_to_input_file, ios::binary | ios::in);
|
||||
|
||||
if(read_stream.is_open())
|
||||
{
|
||||
struct image_t* image = new struct image_t;
|
||||
|
||||
uint8_t val = skip_blanks_comments_while_reading(&read_stream); // 'P'
|
||||
val = read_stream.get(); //'6'
|
||||
|
||||
// width
|
||||
val = skip_blanks_comments_while_reading(&read_stream);
|
||||
while(true)
|
||||
{
|
||||
if(val == ' ' || val == '\t' || val == '\n')
|
||||
break;
|
||||
image->width = image->width * 10 + (val - '0');
|
||||
val = read_stream.get();
|
||||
}
|
||||
//cout << "width = " << image->width << "\n";
|
||||
|
||||
// height
|
||||
val = skip_blanks_comments_while_reading(&read_stream);
|
||||
while(true)
|
||||
{
|
||||
if(val == ' ' || val == '\t' || val == '\n')
|
||||
break;
|
||||
image->height = image->height * 10 + (val - '0');
|
||||
val = read_stream.get();
|
||||
}
|
||||
//cout << "height = " << image->height << "\n";
|
||||
|
||||
image->image_pixels = new uint8_t**[image->height];
|
||||
for(int i = 0; i < image->height; i++)
|
||||
{
|
||||
image->image_pixels[i] = new uint8_t*[image->width];
|
||||
for(int j = 0; j < image->width; j++)
|
||||
image->image_pixels[i][j] = new uint8_t[3];
|
||||
}
|
||||
|
||||
// maxval
|
||||
val = skip_blanks_comments_while_reading(&read_stream);
|
||||
while(true)
|
||||
{
|
||||
if(val == ' ' || val == '\t' || val == '\n')
|
||||
break;
|
||||
val = read_stream.get();
|
||||
}
|
||||
|
||||
// get pixel values
|
||||
val = skip_blanks_comments_while_reading(&read_stream);
|
||||
for(int i = 0; i < image->height; i++)
|
||||
{
|
||||
for(int j = 0; j < image->width; j++)
|
||||
{
|
||||
for(int k = 0; k < 3; k++)
|
||||
{
|
||||
image->image_pixels[i][j][k] = val;
|
||||
val = read_stream.get(); //assuming maxval of <=255
|
||||
}
|
||||
}
|
||||
}
|
||||
//read_stream.seekg(-1, ios_base::cur);
|
||||
//read_stream.read(((char*)image->image_pixels), image->height * image->width * 3); //assuming maxval of <=255
|
||||
|
||||
read_stream.close();
|
||||
|
||||
return image;
|
||||
}
|
||||
else
|
||||
{
|
||||
cerr << "failed to open file " << path_to_input_file << "\n\n";
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
void write_ppm_file(char * path_to_output_file, struct image_t* image)
|
||||
{
|
||||
//cout << "output image file = " << path_to_output_file << "\n";
|
||||
|
||||
ofstream write_stream(path_to_output_file, ios::binary | ios::out);
|
||||
|
||||
if(write_stream.is_open())
|
||||
{
|
||||
write_stream.write("P6\n", 3);
|
||||
std::string width_string = std::to_string(image->width);
|
||||
//cout << "width = " << width_string << "\n";
|
||||
write_stream.write(width_string.c_str(), width_string.length());
|
||||
write_stream.write(" ", 1);
|
||||
std::string height_string = std::to_string(image->height);
|
||||
//cout << "height = " << height_string << "\n";
|
||||
write_stream.write(height_string.c_str(), height_string.length());
|
||||
write_stream.write("\n255\n", 5);
|
||||
for(int i = 0; i < image->height; i++)
|
||||
{
|
||||
for(int j = 0; j < image->width; j++)
|
||||
{
|
||||
for(int k = 0; k < 3; k++)
|
||||
{
|
||||
write_stream.put(image->image_pixels[i][j][k]); //assuming maxval of <=255
|
||||
}
|
||||
}
|
||||
}
|
||||
//write_stream.write(((char*)image->image_pixels), image->height * image->width * 3);
|
||||
write_stream.close();
|
||||
}
|
||||
else
|
||||
{
|
||||
cerr << "failed to open file " << path_to_output_file << "\n\n";
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
#ifndef IMPORTANT_H
|
||||
#define IMPORTANT_H
|
||||
#include <cstdint>
|
||||
|
||||
struct image_t
|
||||
{
|
||||
int width;
|
||||
int height;
|
||||
uint8_t*** image_pixels;
|
||||
};
|
||||
|
||||
struct image_t* S1_smoothen(struct image_t *input_image);
|
||||
struct image_t* S2_find_details(struct image_t *input_image, struct image_t *smoothened_image);
|
||||
struct image_t* S3_sharpen(struct image_t *input_image, struct image_t *details_image);
|
||||
|
||||
struct image_t* read_ppm_file(char* path_to_input_file);
|
||||
void write_ppm_file(char* path_to_output_file, struct image_t* image);
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,144 @@
|
|||
#include "libppm.h"
|
||||
#include <iostream>
|
||||
#include <fstream>
|
||||
|
||||
using namespace std;
|
||||
|
||||
uint8_t skip_blanks_comments_while_reading(ifstream *read_stream) //returns the byte at the first position after the skipping of the blank space
|
||||
{
|
||||
uint8_t val;
|
||||
while(true)
|
||||
{
|
||||
val = read_stream->get();
|
||||
if(val == '#')
|
||||
{
|
||||
while(val != '\n')
|
||||
{
|
||||
val = read_stream->get();
|
||||
}
|
||||
}
|
||||
if(val == '\n' || val == ' ' || val == '\t')
|
||||
{
|
||||
continue;
|
||||
}
|
||||
else if(val != '#')
|
||||
return val;
|
||||
}
|
||||
return val;
|
||||
}
|
||||
|
||||
struct image_t* read_ppm_file(char* path_to_input_file)
|
||||
{
|
||||
//cout << "input image file = " << path_to_input_file << "\n";
|
||||
|
||||
ifstream read_stream(path_to_input_file, ios::binary | ios::in);
|
||||
|
||||
if(read_stream.is_open())
|
||||
{
|
||||
struct image_t* image = new struct image_t;
|
||||
|
||||
uint8_t val = skip_blanks_comments_while_reading(&read_stream); // 'P'
|
||||
val = read_stream.get(); //'6'
|
||||
|
||||
// width
|
||||
val = skip_blanks_comments_while_reading(&read_stream);
|
||||
while(true)
|
||||
{
|
||||
if(val == ' ' || val == '\t' || val == '\n')
|
||||
break;
|
||||
image->width = image->width * 10 + (val - '0');
|
||||
val = read_stream.get();
|
||||
}
|
||||
//cout << "width = " << image->width << "\n";
|
||||
|
||||
// height
|
||||
val = skip_blanks_comments_while_reading(&read_stream);
|
||||
while(true)
|
||||
{
|
||||
if(val == ' ' || val == '\t' || val == '\n')
|
||||
break;
|
||||
image->height = image->height * 10 + (val - '0');
|
||||
val = read_stream.get();
|
||||
}
|
||||
//cout << "height = " << image->height << "\n";
|
||||
|
||||
image->image_pixels = new uint8_t**[image->height];
|
||||
for(int i = 0; i < image->height; i++)
|
||||
{
|
||||
image->image_pixels[i] = new uint8_t*[image->width];
|
||||
for(int j = 0; j < image->width; j++)
|
||||
image->image_pixels[i][j] = new uint8_t[3];
|
||||
}
|
||||
|
||||
// maxval
|
||||
val = skip_blanks_comments_while_reading(&read_stream);
|
||||
while(true)
|
||||
{
|
||||
if(val == ' ' || val == '\t' || val == '\n')
|
||||
break;
|
||||
val = read_stream.get();
|
||||
}
|
||||
|
||||
// get pixel values
|
||||
val = skip_blanks_comments_while_reading(&read_stream);
|
||||
for(int i = 0; i < image->height; i++)
|
||||
{
|
||||
for(int j = 0; j < image->width; j++)
|
||||
{
|
||||
for(int k = 0; k < 3; k++)
|
||||
{
|
||||
image->image_pixels[i][j][k] = val;
|
||||
val = read_stream.get(); //assuming maxval of <=255
|
||||
}
|
||||
}
|
||||
}
|
||||
//read_stream.seekg(-1, ios_base::cur);
|
||||
//read_stream.read(((char*)image->image_pixels), image->height * image->width * 3); //assuming maxval of <=255
|
||||
|
||||
read_stream.close();
|
||||
|
||||
return image;
|
||||
}
|
||||
else
|
||||
{
|
||||
cerr << "failed to open file " << path_to_input_file << "\n\n";
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
void write_ppm_file(char * path_to_output_file, struct image_t* image)
|
||||
{
|
||||
//cout << "output image file = " << path_to_output_file << "\n";
|
||||
|
||||
ofstream write_stream(path_to_output_file, ios::binary | ios::out);
|
||||
|
||||
if(write_stream.is_open())
|
||||
{
|
||||
write_stream.write("P6\n", 3);
|
||||
std::string width_string = std::to_string(image->width);
|
||||
//cout << "width = " << width_string << "\n";
|
||||
write_stream.write(width_string.c_str(), width_string.length());
|
||||
write_stream.write(" ", 1);
|
||||
std::string height_string = std::to_string(image->height);
|
||||
//cout << "height = " << height_string << "\n";
|
||||
write_stream.write(height_string.c_str(), height_string.length());
|
||||
write_stream.write("\n255\n", 5);
|
||||
for(int i = 0; i < image->height; i++)
|
||||
{
|
||||
for(int j = 0; j < image->width; j++)
|
||||
{
|
||||
for(int k = 0; k < 3; k++)
|
||||
{
|
||||
write_stream.put(image->image_pixels[i][j][k]); //assuming maxval of <=255
|
||||
}
|
||||
}
|
||||
}
|
||||
//write_stream.write(((char*)image->image_pixels), image->height * image->width * 3);
|
||||
write_stream.close();
|
||||
}
|
||||
else
|
||||
{
|
||||
cerr << "failed to open file " << path_to_output_file << "\n\n";
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
#ifndef LIBPPM_H
|
||||
#define LIBPPM_H
|
||||
#include <cstdint>
|
||||
|
||||
struct image_t
|
||||
{
|
||||
int width;
|
||||
int height;
|
||||
uint8_t*** image_pixels;
|
||||
};
|
||||
|
||||
struct image_t* read_ppm_file(char* path_to_input_file);
|
||||
void write_ppm_file(char* path_to_output_file, struct image_t* image);
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
build-sharpen: ./a.out
|
||||
|
||||
./a.out: image_sharpener.cpp libppm.cpp
|
||||
g++ -g image_sharpener.cpp libppm.cpp
|
||||
|
||||
run-sharpen: ./a.out
|
||||
./a.out ../images/$(INPUT).ppm ../images/$(OUTPUT).ppm
|
||||
|
||||
./coms.out: coms.cpp important.cpp
|
||||
g++ -g coms.cpp important.cpp -o coms.out
|
||||
|
||||
run-coms: ./coms.out
|
||||
./coms.out $(F)
|
||||
|
||||
clean:
|
||||
rm a.out coms.out
|
||||
|
||||
.PHONY: run-coms
|
||||
|
|
@ -0,0 +1,38 @@
|
|||
../images/1.ppm 0.0436004
|
||||
../images/2.ppm 0.200632
|
||||
../images/3.ppm 0.142189
|
||||
../images/4.ppm 0.328569
|
||||
../images/5.ppm 0.584479
|
||||
../images/6.ppm 1.57548
|
||||
../images/7.ppm 1.44286
|
||||
../images/1.ppm 0.0362725
|
||||
../images/2.ppm 0.121128
|
||||
../images/3.ppm 0.199664
|
||||
../images/4.ppm 0.402522
|
||||
../images/5.ppm 0.51656
|
||||
../images/6.ppm 0.831204
|
||||
../images/7.ppm 1.68258
|
||||
../images/1.ppm 0.0502397
|
||||
../images/2.ppm 0.0540259
|
||||
../images/3.ppm 0.104212
|
||||
../images/4.ppm 0.217633
|
||||
../images/5.ppm 0.566316
|
||||
../images/6.ppm 1.06233
|
||||
../images/7.ppm 1.76924
|
||||
../images/1.ppm 0.0191352
|
||||
../images/2.ppm 0.0632993
|
||||
../images/3.ppm 0.0990502
|
||||
../images/4.ppm 0.304179
|
||||
../images/5.ppm 0.306761
|
||||
../images/6.ppm 0.740531
|
||||
../images/7.ppm 1.62881
|
||||
../images/1.ppm 0.0369097
|
||||
../images/2.ppm 0.113096
|
||||
../images/3.ppm 0.26913
|
||||
../images/4.ppm 0.30726
|
||||
../images/5.ppm 0.366631
|
||||
../images/6.ppm 0.711473
|
||||
../images/7.ppm 1.80572
|
||||
../images/1.ppm 0.0197896
|
||||
../images/2.ppm 0.0329337
|
||||
../images/3.ppm 0.199503
|
||||
|
|
@ -0,0 +1,24 @@
|
|||
#!/bin/bash
|
||||
|
||||
# List of input and output file pairs
|
||||
input_files=("1" "2" "3" "4" "5" "6" "7")
|
||||
output_files=("output1" "output2" "output3" "output4" "output5" "output6" "output7")
|
||||
|
||||
# Loop through each file pair and run the make command
|
||||
for i in "${!input_files[@]}"
|
||||
do
|
||||
input_file="${input_files[$i]}"
|
||||
output_file="${output_files[$i]}"
|
||||
|
||||
echo "Running make for input: $input_file and output: $output_file"
|
||||
make run-sharpen INPUT="$input_file" OUTPUT="$output_file"
|
||||
|
||||
# Check if make was successful
|
||||
if [ $? -ne 0 ]; then
|
||||
echo "Make failed for input: $input_file and output: $output_file"
|
||||
exit 1
|
||||
fi
|
||||
done
|
||||
|
||||
echo "Make completed successfully for all file pairs."
|
||||
|
||||
|
|
@ -0,0 +1,38 @@
|
|||
../images/1.ppm 0.0285746
|
||||
../images/2.ppm 0.118526
|
||||
../images/3.ppm 0.133181
|
||||
../images/4.ppm 0.333111
|
||||
../images/5.ppm 0.687696
|
||||
../images/6.ppm 0.919815
|
||||
../images/7.ppm 5.18353
|
||||
../images/1.ppm 0.0278552
|
||||
../images/2.ppm 0.080822
|
||||
../images/3.ppm 0.201076
|
||||
../images/4.ppm 0.509533
|
||||
../images/5.ppm 0.535679
|
||||
../images/6.ppm 0.747966
|
||||
../images/7.ppm 4.45165
|
||||
../images/1.ppm 0.0100292
|
||||
../images/2.ppm 0.0381673
|
||||
../images/3.ppm 0.0739177
|
||||
../images/4.ppm 0.223357
|
||||
../images/5.ppm 0.433985
|
||||
../images/6.ppm 0.450129
|
||||
../images/7.ppm 1.67468
|
||||
../images/1.ppm 0.0115579
|
||||
../images/2.ppm 0.040362
|
||||
../images/3.ppm 0.0973441
|
||||
../images/4.ppm 0.257049
|
||||
../images/5.ppm 0.231088
|
||||
../images/6.ppm 0.573983
|
||||
../images/7.ppm 2.23737
|
||||
../images/1.ppm 0.0226699
|
||||
../images/2.ppm 0.0941006
|
||||
../images/3.ppm 0.146761
|
||||
../images/4.ppm 0.170653
|
||||
../images/5.ppm 0.396153
|
||||
../images/6.ppm 0.804332
|
||||
../images/7.ppm 2.54863
|
||||
../images/1.ppm 0.00357817
|
||||
../images/2.ppm 0.0139955
|
||||
../images/3.ppm 0.0578726
|
||||
|
|
@ -0,0 +1,38 @@
|
|||
../images/1.ppm 0.0422791
|
||||
../images/2.ppm 0.118747
|
||||
../images/3.ppm 0.26533
|
||||
../images/4.ppm 0.377423
|
||||
../images/5.ppm 0.673011
|
||||
../images/6.ppm 1.36309
|
||||
../images/7.ppm 2.34904
|
||||
../images/1.ppm 0.0396053
|
||||
../images/2.ppm 0.14362
|
||||
../images/3.ppm 0.398949
|
||||
../images/4.ppm 0.59141
|
||||
../images/5.ppm 0.730647
|
||||
../images/6.ppm 0.869892
|
||||
../images/7.ppm 2.32653
|
||||
../images/1.ppm 0.0165813
|
||||
../images/2.ppm 0.102202
|
||||
../images/3.ppm 0.143081
|
||||
../images/4.ppm 0.43276
|
||||
../images/5.ppm 0.646602
|
||||
../images/6.ppm 1.36732
|
||||
../images/7.ppm 2.33917
|
||||
../images/1.ppm 0.0341145
|
||||
../images/2.ppm 0.079444
|
||||
../images/3.ppm 0.163173
|
||||
../images/4.ppm 0.501014
|
||||
../images/5.ppm 0.52402
|
||||
../images/6.ppm 1.03143
|
||||
../images/7.ppm 2.75437
|
||||
../images/1.ppm 0.0347922
|
||||
../images/2.ppm 0.166539
|
||||
../images/3.ppm 0.287508
|
||||
../images/4.ppm 0.495099
|
||||
../images/5.ppm 0.448171
|
||||
../images/6.ppm 1.03631
|
||||
../images/7.ppm 2.50061
|
||||
../images/1.ppm 0.00590421
|
||||
../images/2.ppm 0.0222273
|
||||
../images/3.ppm 0.0992293
|
||||
|
|
@ -0,0 +1,26 @@
|
|||
import os
|
||||
from collections import defaultdict
|
||||
|
||||
|
||||
file_names = ["read_times.txt", "sharp_times.txt", "smooth_times.txt", "detail_times.txt", "write_times.txt"]
|
||||
|
||||
|
||||
def calculate_average_times(file_path):
|
||||
times = defaultdict(list)
|
||||
with open(file_path, 'r') as file:
|
||||
for line in file:
|
||||
parts = line.strip().split()
|
||||
if len(parts) == 2:
|
||||
image, time = parts
|
||||
times[image].append(float(time))
|
||||
|
||||
average_times = {image: sum(time_list) / len(time_list) for image, time_list in times.items()}
|
||||
return average_times
|
||||
|
||||
|
||||
for file_name in file_names:
|
||||
average_times = calculate_average_times(file_name)
|
||||
print(f"Averages for {file_name}:")
|
||||
for image, avg_time in sorted(average_times.items()):
|
||||
print(f"{image}: {avg_time}")
|
||||
print()
|
||||
|
|
@ -0,0 +1,38 @@
|
|||
../images/1.ppm 0.0129698
|
||||
../images/2.ppm 0.0731423
|
||||
../images/3.ppm 0.0586685
|
||||
../images/4.ppm 0.391597
|
||||
../images/5.ppm 0.441327
|
||||
../images/6.ppm 0.362438
|
||||
../images/7.ppm 1.01397
|
||||
../images/1.ppm 0.0104656
|
||||
../images/2.ppm 0.0389386
|
||||
../images/3.ppm 0.102665
|
||||
../images/4.ppm 0.229473
|
||||
../images/5.ppm 0.370227
|
||||
../images/6.ppm 0.359944
|
||||
../images/7.ppm 1.65748
|
||||
../images/1.ppm 0.00587877
|
||||
../images/2.ppm 0.0390165
|
||||
../images/3.ppm 0.0345854
|
||||
../images/4.ppm 0.0927168
|
||||
../images/5.ppm 0.184159
|
||||
../images/6.ppm 0.231483
|
||||
../images/7.ppm 1.05401
|
||||
../images/1.ppm 0.00660735
|
||||
../images/2.ppm 0.0207068
|
||||
../images/3.ppm 0.0402921
|
||||
../images/4.ppm 0.0976897
|
||||
../images/5.ppm 0.119102
|
||||
../images/6.ppm 0.249217
|
||||
../images/7.ppm 0.822115
|
||||
../images/1.ppm 0.0164718
|
||||
../images/2.ppm 0.0259248
|
||||
../images/3.ppm 0.0545286
|
||||
../images/4.ppm 0.10985
|
||||
../images/5.ppm 0.127681
|
||||
../images/6.ppm 0.322058
|
||||
../images/7.ppm 1.0496
|
||||
../images/1.ppm 0.00731258
|
||||
../images/2.ppm 0.02392
|
||||
../images/3.ppm 0.152686
|
||||
Loading…
Reference in New Issue