cjpegHTJ2K_j2c.exe -i Stationery.yuv -o Stationery_openjph.j2c -dims {4000,3000} -num_comps 3 -signed false -bit_depth 8 -downsamp {1,1},{2,2},{2,2} -block_size {64,64} -precincts {128,128},{256,256} -prog_order CPRL -qstep 0.048