C++ (Cpp) image::dim Examples

Example #1

File: image.cpp Project: Aura-zx/sharat-cbcl

/*!
 */
image  max(const image& lhs,const image& rhs)
{
  CvSize lhs_sz = lhs.dim();
  CvSize rhs_sz = rhs.dim();
  if((lhs_sz.height != rhs_sz.height) || (lhs_sz.width != rhs_sz.width)) throw exception();
  image res = lhs;
  cvMax(lhs,rhs,res);
  return res;
}

Example #2

File: image.cpp Project: Aura-zx/sharat-cbcl

/*!
 */
image operator /(const image& lhs,const image& rhs)
{
  CvSize lhs_sz = lhs.dim();
  CvSize rhs_sz = rhs.dim(); 
  if((lhs_sz.width != rhs_sz.width) || (lhs_sz.height !=rhs_sz.height))
    throw exception();
  image result = lhs;
  cvDiv(lhs,rhs,result);
  return result;
}

Example #3

File: image.cpp Project: Aura-zx/sharat-cbcl

/*!
 */
image operator*(const image& lhs,float val)
{
  CvSize lhs_sz = lhs.dim();
  image  result(lhs_sz.height,lhs_sz.width);
  cvScale(lhs,result,val);
  return result;
}

Example #4

File: image.cpp Project: Aura-zx/sharat-cbcl

/*!
 */
image operator-(const image& lhs,float val)
{
  CvSize lhs_sz = lhs.dim();
  image  result(lhs_sz.height,lhs_sz.width);
  cvSubS(lhs,cvRealScalar(val),result);
  return result;
}

Example #5

File: image.cpp Project: Aura-zx/sharat-cbcl

 void   imwrite(image& img,const char* file_name)
{
 CvSize sz       = img.dim();
  IplImage* dst   = cvCreateImage(sz,IPL_DEPTH_8U,1);
  cvConvertScale(imscale(img),dst,255);
  int ret         = cvSaveImage(file_name,dst);
  if(!ret) throw exception();
  cvReleaseImage(&dst);
}

Example #6

File: image.cpp Project: Aura-zx/sharat-cbcl

/*!
 */
image abs(const image& img)
{
  CvSize sz = img.dim();
  image res(sz.height,sz.width);
  for(int i=0;i<sz.height;i++)
    for(int j=0;j<sz.width;j++)
      res[i][j] = fabs(img[i][j]);
  return res;
}

Example #7

File: image.cpp Project: Aura-zx/sharat-cbcl

/*!
 */
image  sqrt(const image& img)
{
  CvSize sz = img.dim();
  image res = img;
  for(int i=0;i<sz.height;i++)
    for(int j=0;j<sz.width;j++)
      res[i][j]=sqrt(img[i][j]+1e-14);
  return res;
}

Example #8

File: image.cpp Project: Aura-zx/sharat-cbcl

 /*!
  */
 void imdisplay(image& img,const char* title)
 {
  CvSize sz       = img.dim();
  IplImage* dst   = cvCreateImage(sz,IPL_DEPTH_8U,1);
  cvConvertScale(imscale(img),dst,255);
  cvNamedWindow(title,CV_WINDOW_AUTOSIZE);
  cvShowImage(title,dst);
  cvWaitKey(1);
  cvReleaseImage(&dst);
 }

Example #9

File: callback_c1_baseline.cpp Project: Aura-zx/sharat-cbcl

void img2buf(const image& img,double* buf,int col_aligned=1)
{
   CvSize sz = img.dim();
   for(int i=0;i<sz.height;i++)
   {
     for(int j=0;j<sz.width;j++)
       if(col_aligned)
	 buf[j*sz.height+i] = img[i][j];
       else
	 buf[i*sz.width+j] = img[i][j];
   }
}

Example #10

File: image.cpp Project: Aura-zx/sharat-cbcl

 /*!
  */
image imscale(image& img)
{
  CvPoint min_pos;
  CvPoint max_pos;
  float  min_val  = 1e10;
  float  max_val  = -1e10;
  image  result    = img;
  /*get max and min*/
  CvSize sz = img.dim();
  for(int i=0;i<sz.height;i++)
    for(int j=0;j<sz.width;j++)
      {
	float pxval=img[i][j];
	if(pxval > max_val) max_val = pxval;
	if(pxval < min_val) min_val = pxval;
      }
  float scale     = 1.0/(max_val-min_val+1e-10); 
  cvConvertScale(img,result,scale,-min_val*scale);
  return result;
}