+++ /dev/null
-/******************************************************************
-* This program uses function histogram() in Ch Professional Edition
-*******************************************************************/
-#include <cv.h>
-#include <highgui.h>
-#include <stdio.h>
-#include <numeric.h>
-
-int main(int argc, char** argv) {
- char filename[] = "baboon.jpg";
- char windowname[] = "Gray image";
- IplImage *image1 = NULL, *image2 = NULL;
-
- // Load the source image.
- image1 = cvLoadImage(argc == 2 ? argv[1] : filename, 1);
- if(!image1) {
- printf("Image was not loaded.\n");
- return -1;
- }
- image2 = cvCreateImage(cvSize(image1->width,image1->height),
- IPL_DEPTH_8U, 1);
- cvCvtColor(image1,image2, CV_BGR2GRAY);
- cvNamedWindow(windowname, 0);
- cvShowImage(windowname, image2);
-
- unsigned char x[128], y[image2->imageSize];
- linspace(x, 0, 255);
- memcpy(y, image2->imageData, image2->imageSize);
- histogram(y, x);
-
- cvWaitKey(0);
- cvReleaseImage(&image1);
- cvReleaseImage(&image2);
- cvDestroyWindow(windowname);
- return 0;
-}