Table of Contents ▸ List of Commands ▸ Colors ▸ to_pseudogray | ◀ to_graya | to_rgb ▶ |
to_pseudogray
Arguments:
- _max_step>=0,_is_perceptual_constraint={ 0:No | 1:Yes },_bits_depth>0
Description:
Convert selected scalar images ([0-255]-valued) to pseudo-gray color images.Default values:
max_step=5, is_perceptual_constraint=1 and bits_depth=8.
The original pseudo-gray technique has been introduced by Rich Franzen http://r0k.us/graphics/pseudoGrey.html.
Extension of this technique to arbitrary increments for more tones, has been done by David Tschumperlé.