waifu2x-ROS

To speed up, use "-b 256 -j 4" options.

The original is there: https://github.com/WL-Amigo/waifu2x-converter-cpp

Here are some minor cosmetic changes (switch to control memory usage and slightly reformatted output) and files needed to build under MinGW32-W64.
To recompile (in Linux), run "make clean; make".

2016-10-17 UPDATE: added simple GUI.
2016-10-18 FIX: corrected typo, added some crashes handling.
2016-11-20 UPDATE:
- added "TTA" and "number of passes" options;
- enabled RGB models (without internal upscaling);
- updated JPEG, TIFF, WebP and OpenEXR libraries;
- modified OpenCV to enable JPEG compression in TIFF images (sources included);
- replaced models with Nagadomi's ones (https://github.com/nagadomi/waifu2x).
2016-12-28: Happy New Year and Merry Christmas!
- "Stop" button works; updated OpenCV, WebP and JasPer libraries;
- fix: didn't filter images when scale < 0.5; fixed conversion to 8 bpp in OpenCV and reading of some JPEG-compressed TIFFs in LibTIFF.