| 摘要 |
<p>PROBLEM TO BE SOLVED: To solve the problem that a conventional image encoder that a detailed part and edges are blurred when the image encoder applies band-pass filtering to an image to reduce the quantity of information. SOLUTION: A dynamic range adjustment device 4 and a dynamic range control circuit 18 are placed before the image encoder and adjust the dynamic range of an image by taking the received image, a coding buffer, a quantization scale code and a motion vector or the like into account and reduce the information quantity of the received image.</p> |
