Guided Filter Demo

Usage

$mkdir build
$cd build
$cmake ..
$make
$./guided_filter_process ../imgs/cave-flash.png ../imgs/cave-noflash.png 8 0.0004 2 out.png out_fast.png

TODO

• radius is generator parameter not input parameter.
• scale factor is fix to 2.
• simple schedule,just some compute_root and parallel.