50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
/* 程序名：Cjbsb.c
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功能：读入图像文件，甄别图像的角标
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*/
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#include <cv.h>
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#include <highgui.h>
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#include <stdlib.h>
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#include <stdio.h>
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extern IplImage* src;
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IplImage* Cjbsb(IplImage* img, IplImage* imgjbsb, int jbwhite, int jbblack)
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{
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/*定义变量*/
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int i, j, jbi = 0, jbj = 0;
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int height, width, step, channels;
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uchar *data;
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int brklab = 0;
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/* 获取图像信息*/
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height = img->height;
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width = img->width;
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step = img->widthStep;
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channels = img->nChannels;
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data = (uchar *)img->imageData;
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// IplImage* imgjbsb = cvCreateImage(cvGetSize(img),img->depth,img->nChannels);
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cvCopy(img, imgjbsb, NULL);
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uchar *imgjbsbdata = (uchar *)imgjbsb->imageData;
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//以角标为起点进行裁剪与画框
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CvSize jbcjsize = cvSize(835, 165); //角标裁剪框的大小，宽为835象素，高为165象素
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IplImage* imgjbcj = cvCreateImage(jbcjsize, img->depth, img->nChannels);
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uchar *imgjbcjdata = (uchar *)imgjbcj->imageData;
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int jbcjstep = imgjbcj->widthStep;
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int jbcjchannels = imgjbcj->nChannels;
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for (i = 0; i<165; i++)
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for (j = 0; j<835; j++)
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imgjbcjdata[i*jbcjstep + j*jbcjchannels] = data[(i + jbi)*step + (j + jbj)*channels];
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for (i = 0; i<165; i = i + 2)
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{
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imgjbsbdata[(i + jbi)*step + jbj*channels] = 0;
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imgjbsbdata[(i + jbi)*step + (jbj + 835)*channels] = 0;
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}
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for (j = 0; j<835; j = j + 2)
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{
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imgjbsbdata[jbi*step + (j + jbj)*channels] = 0;
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imgjbsbdata[(jbi + 165)*step + (j + jbj)*channels] = 0;
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}
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return imgjbcj;
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} |