发明名称 |
Apparatus for coding and decoding a digital video signal derived from a motion picture film source |
摘要 |
A method for coding an input video signal with a field rate of 60 Hz derived from a motion picture film source using 2-3 pulldown. In the method, duplicate fields are detected in the input video signal. Each duplicate field is eliminated from the input video signal to produce a progressive video signal comprising plural frames with a frame rate of 24 Hz. Finally, the progressive video signal is coded to produce a coded video signal. Preferably, when a duplicate field is detected in the input video signal, a control signal is generated in response to each detected duplicated field. Each control signal is then included in the coded video signal.
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申请公布号 |
US5461420(A) |
申请公布日期 |
1995.10.24 |
申请号 |
US19930123560 |
申请日期 |
1993.09.17 |
申请人 |
SONY CORPORATION |
发明人 |
YONEMITSU, JUN;SUZUKI, TERUHIKO;YAGASAKI, YOICHI |
分类号 |
G06T9/00;H04N5/926;H04N7/01;H04N7/26;H04N7/36;H04N7/46;H04N7/50;H04N7/52;(IPC1-7):H04N7/50 |
主分类号 |
G06T9/00 |
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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