matlab miscellaneous image processing tool
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## bayermask
provides sampled bayer CFA data and bayer mask
## bayersampling
samples pixel value associated bayer color filter array
## compLumChrom
compose luminance (mean) and chrominance to rgb image
## decompLumChrom
decompose rgb image to luminance (mean) and chrominance

## eachchannel
allows us to apply function for each channel

## imclip
clips the image intensities

## img2patch
generates patches from image, each channel patch are concatenated to single column

## imgrad
calculates horizontal and vertical gradients

## impsnr
evaluates the psnr and the rmse beween images

## imreadind
reads image file from file even if the image file is index color, imreadind can read image data as well as rgb image data

## patchdctfilter
applys dct filter for each columned image patches

## patch2img
compose image from columned image patches by averaging (almost same to col2im)

## patchtiling
tiles columned image patches as a image

## rgb2ycc
transfers color space from rgb to ycc

## rgb123
translate r, g, and b to 1, 2, and 3, respectively.

## ycc2rgb
transfers color space from ycc to rgb