1. A system, comprising: an image segmentation engine running on a host, which in operation, decomposes a compound image into one or more original image layers; an layer recomposition engine running on the host, which in operation, identifies “don't care” blocks in each of the one or more original image layers; recomposes one or more new image layers by skipping the “don't care” blocks in the one or more original image layers; an layer compression engine running on the host, which in operation, processes and compresses each of the one or more newly created image layers with its own compressor.