IM: Histogram Based Operations From IM - An Imaging Tool previous page next page Histogram Based Operations [Image Processing] Detailed Description See im_process_pon.h Functions void imProcessExpandHistogram (const imImage *src_image, imImage *dst_image, float percent) void imProcessEqualizeHistogram (const imImage *src_image, imImage *dst_image) Function Documentation void imProcessExpandHistogram ( const imImage * src_image, imImage * dst_image, float percent ) Performs an histogram expansion. Percentage defines an amount of pixels to include at start and end. If its is zero only empty counts of the histogram will be considered. Images must be IM_BYTE/(IM_RGB or IM_GRAY). Can be done in place. void imProcessEqualizeHistogram ( const imImage * src_image, imImage * dst_image ) Performs an histogram equalization. Images must be IM_BYTE/(IM_RGB or IM_GRAY). Can be done in place. previous page start next page