数据预处理----bivalue（二值化处理）

#define EXTRA_NAME "@bivalue."#include "loadbmp.h"
#define threshold 128#define Point(x,y) lpPoints[(x)+(y)*nWidth]
void BiValue(){BYTE *lpPoints=new BYTE[nWidth*nHeight];GetPoints(lpPoints);int x,y;for(y=0;y<nHeight;y++){for(x=0;x<nWidth;x++){if (Point(x,y)>(BYTE)threshold) Point(x,y)=255;else Point(x,y)=0;}}
PutPoints(lpPoints);delete lpPoints;}
void main(int argc, char *argv[]){if(argc==2)FileName=argv[1];elsereturn;OpenFile();BiValue();SaveAs();}