Moving image encoding device and program, moving image decoding device and program, and moving image distribution system

TL;DR: In this article, a moving image distribution system that is capable of reducing a code amount without causing a lowering of the quality of a decoded image is presented. But, the problem of reducing the code amount of a non-key frame is not addressed.

Abstract: PROBLEM TO BE SOLVED: To provide a moving image distribution system that is capable of reducing a code amount without causing lowering of quality of a decoded imageSOLUTION: A moving image distribution system according to the present invention includes: a moving image encoding device that generates moving image data encoded in frame units; and a moving image decoding device that decodes the moving image data supplied from the moving image encoding device The moving image encoding device generates a prediction image of a non-key frame, determines a bit depth for each parameter on the basis of complexity of the non-key frame, quantizes the prediction image based on the basis of the determined bit depth, and outputs an error correction code for correcting the quantized prediction image as encoded data The moving image decoding device quantizes the prediction image of the non-key frame on the basis of the bit depth used in encoding and corrects the quantized prediction image using the error correction code included in the encoded data to thereby reconstruct a decoded image