Jim Collier > X6XUTQb: Grayscale method recolorization: Lab Color, Lightness channel
Jim Collier > X6XUTQb: Grayscale method recolorization: desaturate
Jim Collier > X6XUTQb: Grayscale method recolorization: Photoshop grayscale (Image | Mode | Grayscale)
Jim Collier > X6XUTQa: Grayscale method recolorization: originalThis series of four color images--including this original copy and followed by three color representations of various grayscale methods--is another way of comparing the perceptual accuracy between these three methods of grayscale conversion.  To get the next three color images, the grayscale images from the previous test were used as Luminosity layers over the original color image, yielding three images having original color information but luminance data from the various grayscale methods.  It's an effective way to visually compare the effects of the different methods, and is a good way to demonstrate how custom Photoshop Actions that rely on grayscale images during intermediate steps (such as when creating contrast masks), could go seriously awry by using the wrong grayscale method—assuming you wanted accurate color at the end.This second test again demonstrate the superiority of the Photoshop grayscale convert method for perceptual grayscale conversion accuracy
X6XUTQb: Grayscale method recolorization: Lab Color, Lightness channel
Jim Collier > X6XUTQb: Grayscale method recolorization: Lab Color, Lightness channel
X6XUTQb: Grayscale method recolorization: Lab Color, Lightness channel
See photo in original gallery.

Comments

|

New comment:

Name: Email: Link:


To foil spammers, enter this code: copy this text in this box: Code unreadable?

Add Comment Cancel