Lines Matching refs:pixel
72 #include "MagickCore/pixel-accessor.h"
73 #include "MagickCore/pixel-private.h"
159 % AdaptiveThresholdImage() selects an individual threshold for each pixel
377 % intensity of each pixel channel. The result is a high-contrast image.
460 pixel;
470 pixel=GetPixelIntensity(image,q);
478 pixel=(double) q[i];
479 q[i]=(Quantum) (pixel <= threshold ? 0 : QuantumRange);
626 pixel;
636 pixel=GetPixelIntensity(image,q);
644 pixel=(double) q[i];
645 if (pixel < GetPixelInfoChannel(&threshold,channel))
682 % ClampImage() set each pixel whose value is below zero to zero and any the
683 % pixel whose value is above the quantum range to the quantum range (e.g.
684 % 65535) otherwise the pixel value remains unchanged.
1292 % image with a ordered 3x3 diffused pixel dither being applied between
1469 % PerceptibleImage() set each pixel whose value is less than |epsilon| to
1470 % epsilon or -epsilon (whichever is closer) otherwise the pixel value remains
1622 % intensity of each pixel compared to a random threshold. The result is a
1883 pixel;
1893 pixel=GetPixelIntensity(image,q);
1901 pixel=(double) q[i];
1902 if (pixel > GetPixelInfoChannel(&threshold,channel))
