| 发明名称 |
IMAGE SIGNAL ENCODING APPARATUS AND IMAGE SIGNAL DECODING APPARATUS |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reduce the quantity of transmission information without deteriorating a picture quality in an image signal encoding apparatus and an image signal decoding apparatus. <P>SOLUTION: A differential signal with a frequency band except for a high frequency band wherein deterioration is subjectively hardly conspicuous is designated, transmitted and decoded to reduce the quantity of transmission and the quantity of decoding processing of the differential signal without deteriorating the picture quality, thereby transmitting and restoring an image of high subjective picture quality. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
| 申请公布号 |
JP2004208322(A) |
申请公布日期 |
2004.07.22 |
| 申请号 |
JP20040018184 |
申请日期 |
2004.01.27 |
| 申请人 |
SONY CORP |
发明人 |
MIYAUCHI TOSHIYUKI;SHINBASHI TATSUO |
| 分类号 |
H04N19/60;H04N1/417;H04N19/117;H04N19/132;H04N19/136;H04N19/196;H04N19/423;H04N19/50;H04N19/61;H04N19/625;H04N19/635;H04N19/80;H04N19/85;H04N19/91;H04N19/93;(IPC1-7):H04N1/417;H04N7/30;H04N7/32 |
主分类号 |
H04N19/60 |
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