Lines Matching defs:histogram
323 % allows for thresholding of an image whose global intensity histogram
3001 % MagickEqualizeImage() equalizes the image histogram.
5103 % MagickGetImageHistogram() returns the image histogram as an array of
5123 *histogram;
5141 histogram=GetImageHistogram(wand->images,number_colors,wand->exception);
5142 if (histogram == (PixelInfo *) NULL)
5147 PixelSetPixelColor(pixel_wands[i],&histogram[i]);
5148 PixelSetColorCount(pixel_wands[i],(size_t) histogram[i].count);
5150 histogram=(PixelInfo *) RelinquishMagickMemory(histogram);
8957 % derivative of the histogram. As the value is increased, you can expect a