An image processing device is comprised of a decoding unit (501) for (i) decoding input compressed image data into an original image signal and outputting the original image signal, and (ii) reading out, from the compressed image data, compressed image information indicating the type of the original...http://www.google.com.tw/patents/US20030231193?utm_source=gb-gplus-share專利 US20030231193 - Image processing device, image processing method, program and recordintg medium