On 512x512 Cropping

In the distributed material, not all 512x512 images/sequences are included because of material file size issue. You can easily generate cropped version by looking at following figure, or using yuvcrop.cpp program with following arguments.

yuvcrop 1920 1080 704 284 512 512 300 <1920x1080_300frames_yuv> <512x512_300frames_yuv>

yuvcrop 1920 1080 704 284 512 512 1 <1920x1080_singleframe_yuv> <512x512_singleframe_yuv>