This paper presents a filter in the source code to simplify the image matting, a large sparse matrix algorithm, to optimize the algorithm and improve efficiency.

img_enhancement\tulips.bmp
....feathering\toy.bmp
..............\toy-mask.bmp
.....lash\cave-flash.bmp
.........\cave-noflash.bmp
....smoothing\cat.bmp
boxfilter.m
example_enhancement.m
example_feathering.m
example_flash.m
example_smoothing.m
guidedfilter.m
guidedfilter_color.m
readme.txt
img_enhancement
img_feathering
img_flash
img_smoothing

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