发明名称 |
PICTURE DECODER AND PICTURE DECODING METHOD |
摘要 |
<p>An image encoding apparatus comprises: dynamic range estimating means 10101 for obtaining a dynamic range from a target multi-value image to be encoded; dynamic range encoding means 10105 for encoding the dynamic range and for outputting the same as dynamic range encoded data; smoothing function estimating means 10102 for estimating a smoothing function from the target multi-value image; multi-value to binary converting means 10103 for converting the multi-value image to a binary image based on a multi-value to binary conversion criterion determined to match the smoothing function; binary image encoding means 10104 for encoding the binary image and for outputting the same as binary image encoded data; smoothing function encoding means 10106 for encoding the smoothing function and for outputting the same as smoothing function encoded data. This configuration achieves efficient encoding of the multi-value image. <IMAGE></p> |
申请公布号 |
EP0917351(B1) |
申请公布日期 |
2002.09.11 |
申请号 |
EP19970933029 |
申请日期 |
1997.07.25 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
HATA, KOICHI;ETOH, MINORU;ANKEI, TAKESHI |
分类号 |
H04N1/417;G06T9/00;H04N1/411;H04N1/415;H04N7/26;H04N7/50;(IPC1-7):H04N1/417 |
主分类号 |
H04N1/417 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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