| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a coding apparatus and a coding method capable of keeping excellent image quality by reducing block distortion that is visually conspicuous while suppressing increase in a code amount. <P>SOLUTION: A location of reducing an image information amount is distributed to four places as filters #1 (103), #2 (107), #3 (109), and a quantizer 110, and a code amount controller 102 controls characteristics of the three filters and the quantizer 110. <P>COPYRIGHT: (C)2007,JPO&INPIT |
