发明名称 |
Digital image data processing apparatus and method |
摘要 |
A digital image data processing apparatus has a preprocessing apparatus for preprocessing the digital video data before recording-and a post-processing apparatus for post-processing the digital video data after recording. The preprocessor receives a main channel signal and a sub channel signal, compresses these signals and concatenate into a single channel image data in which the signal position does not change each field for coding by a coder. Image deterioration during reproduction is prevented by a post-processor processing the image data decoded by a decoder by reversing the process applied by the preprocessor.
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申请公布号 |
US5991494(A) |
申请公布日期 |
1999.11.23 |
申请号 |
US19980116944 |
申请日期 |
1998.07.17 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
OTSUKA, TAKESHI |
分类号 |
H04N5/92;H04N5/926;H04N7/26;H04N9/804;H04N9/808;(IPC1-7):H04N9/79 |
主分类号 |
H04N5/92 |
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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