# with the Hue and Saturation channels and converted back to RGB. # then only the Lightness channel will be processed and then recombined # independently (possibly causing a color shift). # selected, then each of the R, G and B channels will be processed # implementation of this script adapts the retinex approach developed # it tends to maintain the color balance from the original image. # process each channel separately or it can be performed only on the # prior to the color boost can be performed in RGB colorspace in order to # the original image to its grayscale version. # which is the product of the resulting image with the log of the ratio of The color boost process creates a new image As this process sometimes desaturates the image an optional # blurred version of the image one slightly blurred, one moderately # computing the log of the ratio of the image to each of three gaussian # reflectance values at three resolution scales. # DESCRIPTION: RETINEX converts the intensity values in the image to # PURPOSE: To enhance detail and color in an image using the multiscale # -r res1,res2,res3 resolution levels default=5,20,240 # -s sat saturation gain sat>=0 default=100 (no change) # -b bright brightness gain bright>=0 default=100 (no change) # -c contrast contrast gamma contrast>0 default=1 (no change) #Batch image resizer essential 5.5 full# 0 is no color boost 100 is full color boost # -f fact color boost blending factor 0 - 100 default=0 # -m colormodel processing colorspace HSL or RGB default=HSL
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