Left to right is the framework for forward, backward, MB^2 VQ.
Testing data: Lena image, CLIC testing set (cropped to 1024x1024). Testing data are availbales here. Decoding results are availble here.
Part of our testing data, cropped from CLIC testing data.
Result on Lena image (down-sampled to 256x256).
Result on Lena image (512x512).
Result on Lena image for 256x256 (left) and 512x512 (right).
Result on CLIC testing images for 256x256 (left) and 512x512 (right).