lbp.rar_lbp_vc lbp

#include "cv.h" #include "highgui.h" #include"stdlib.h" #include"stdio.h" #include"math.h" void main() { int tmp[8]={0}; int sum=0; int k=0; IplImage* img; IplImage* dst; img=cvLoadImage("lena.jpg",0); CvScalar s; if( !img)//载入失败 { printf("could not load image file\n"); } else { cvNamedWindow("img",0); cvNamedWindow("dst",0); cvShowImage("img",img); uchar* data=(uchar*)img->imageData; int step=img->widthStep; dst=cvCreateImage(cvSize(img->width,img->height),img->depth,1); dst->widthStep=img->widthStep; for(int i=1;i<img->height-1;i++) for(int j=1;j<img->width-1;j++) { if(data[(i-1)*step+j-1]>data[i*step+j]) tmp[0]=1; else tmp[0]=0; if(data[i*step+(j-1)]>data[i*step+j]) tmp[1]=1; else tmp[1]=0; if(data[(i+1)*step+(j-1)]>data[i*step+j]) tmp[2]=1; else tmp[2]=0; if (data[(i+1)*step+j]>data[i*step+j]) tmp[3]=1; else tmp[3]=0; if (data[(i+1)*step+(j+1)]>data[i*step+j]) tmp[4]=1; else tmp[4]=0; if(data[i*step+(j+1)]>data[i*step+j]) tmp[5]=1; else tmp[5]=0; if(data[(i-1)*step+(j+1)]>data[i*step+j]) tmp[6]=1; else tmp[6]=0; if(data[(i-1)*step+j]>data[i*step+j]) tmp[7]=1; else tmp[7]=0; for(k=0;k<=7;k++) sum+=abs(tmp[k]-tmp[k+1]); sum=sum+abs(tmp[7]-tmp[0]); if (sum<=2) s.val[0]=(tmp[0]*128+tmp[1]*64+tmp[2]*32+tmp[3]*16 +tmp[4]*8+tmp[5]*4+tmp[6]*2+tmp[7]); // s.val[0]=(abs(tmp[0]-tmp[1])*128+abs(tmp[1]-tmp[2])*64+abs(tmp[2]-tmp[3])*32+abs(tmp[3]-tmp[4])*16 // +abs(tmp[4]-tmp[5])*8+abs(tmp[5]-tmp[6])*4+abs(tmp[6]-tmp[7])*2+abs(tmp[7]-tmp[0])); else s.val[0]=59; cvSet2D(dst,i,j,s); } cvShowImage("dst",dst); cvWaitKey(0); cvDestroyWindow("img"); cvReleaseImage(&img); cvDestroyWindow("dst"); cvReleaseImage(&dst); } }