/* Includes ------------------------------------------------------------------*/
#include "LBP.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
int tmp[8]={0};
CvScalar s;
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : Abstract_Edge
* Description : This function is help user to abstract the edge of the piture
* Input : - src: The point of the original picture
* Output : None
* Return : The destination point of the picture
*******************************************************************************/
void LBP (IplImage *src,IplImage *dst)
{
IplImage * temp = cvCreateImage(cvGetSize(src), IPL_DEPTH_8U,1);
uchar *data=(uchar*)src->imageData;
int step=src->widthStep;
for (int i=1;i<src->height-1;i++)
for(int j=1;j<src->width-1;j++)
{
int sum=0;
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(int 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]*1+tmp[1]*2+tmp[2]*4+tmp[3]*8+tmp[4]*16+tmp[5]*32+tmp[6]*64+tmp[7]*128);
else s.val[0]=10;
cvSet2D(dst,i,j,s);
}
}
/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/
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