发明名称 |
Progressive sub-band image coding system |
摘要 |
A system for reducing image data redundancies through progressive sub-band coding. The image is separated into a selected plurality of sub-bands, and the sub-band with the largest non-redundant data content is chosen and used to predict the data in the other sub-bands. Only prediction error information of the predicted sub-bands encoded and transmitted together with the encoded chosen sub-band. An overall performance error signal can also be evaluated at the encoder's end and used to further improve performance. The sub-band encoding can be performed recursively to still further reduce the encoded data.
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申请公布号 |
US4943855(A) |
申请公布日期 |
1990.07.24 |
申请号 |
US19880222987 |
申请日期 |
1988.07.22 |
申请人 |
AT&T BELL LABORATORIES |
发明人 |
BHEDA, HEMANT;LIGTENBERG, ADRIANUS |
分类号 |
H04N7/26;H04N7/32 |
主分类号 |
H04N7/26 |
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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