发明名称 |
Encoding and decoding method and apparatus thereof |
摘要 |
To encode a video signal by means of an interlace scanning method, a mode which generates the minimum number of bits with respect to four modes such as frame/field and inter/intra is selected and the video signal of the selected mode is encoded by adaptive frame/field processing. An encoder includes a direct current differential pulse code modulator for performing a direct current differential pulse code modulation only in the frame intramode and the field intramode among four paths to select a predetermined mode, and another direct current differential pulse code modulator for performing a direct current differential pulse code modulation according to the path of the selected mode by selecting one of the delayed signals after selecting the mode. A decoder has the similar constitution to that of the encoder and properly restores the DC value which is differentially pulse code modulated according to a predetermined mode, thereby decoding the restored signal into an original video signal.
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申请公布号 |
US5461421(A) |
申请公布日期 |
1995.10.24 |
申请号 |
US19930158590 |
申请日期 |
1993.11.29 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
MOON, HEON H. |
分类号 |
H03M7/30;G06T9/00;H04N7/26;H04N7/30;H04N7/50;(IPC1-7):H04N7/50 |
主分类号 |
H03M7/30 |
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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