JPS6471391A - Prediction encoding device - Google Patents
Prediction encoding deviceInfo
- Publication number
- JPS6471391A JPS6471391A JP62229003A JP22900387A JPS6471391A JP S6471391 A JPS6471391 A JP S6471391A JP 62229003 A JP62229003 A JP 62229003A JP 22900387 A JP22900387 A JP 22900387A JP S6471391 A JPS6471391 A JP S6471391A
- Authority
- JP
- Japan
- Prior art keywords
- reset
- input
- value
- prediction
- input value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
PURPOSE:To reset a prediction loop so that a prediction error after the reset may be reduced by providing a selective input circuit to select one out of plural input signals by a pulsing signal. CONSTITUTION:When the pulsing signal to select an input value X is outputted from a selective control line 11, a selecting circuit 9 selectively outputs the input value X, and a selecting circuit 10 also outputs the input value X. When both decoding and encoding devices are reset, one out of two input lines 1 are set at the identical value for transmission and receiving. The identical value is made into the expected value to be inputted after the reset. The reset is realized by selecting the identical value set by a selective input circuit 2 and designating the input value X with the control line 11. Due to the reset, data to excellently predict the input value of a next time are entered both on a encoding side and a decoding side in a prediction group, prediction accuracy after the reset is improved, and transmission with high quality is attained.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62229003A JPS6471391A (en) | 1987-09-11 | 1987-09-11 | Prediction encoding device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62229003A JPS6471391A (en) | 1987-09-11 | 1987-09-11 | Prediction encoding device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6471391A true JPS6471391A (en) | 1989-03-16 |
Family
ID=16885234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62229003A Pending JPS6471391A (en) | 1987-09-11 | 1987-09-11 | Prediction encoding device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6471391A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53137622A (en) * | 1977-05-09 | 1978-12-01 | Nippon Telegr & Teleph Corp <Ntt> | Coding system between frames |
JPS5741069A (en) * | 1980-08-25 | 1982-03-06 | Nippon Telegr & Teleph Corp <Ntt> | Inter-frame encoding system |
-
1987
- 1987-09-11 JP JP62229003A patent/JPS6471391A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53137622A (en) * | 1977-05-09 | 1978-12-01 | Nippon Telegr & Teleph Corp <Ntt> | Coding system between frames |
JPS5741069A (en) * | 1980-08-25 | 1982-03-06 | Nippon Telegr & Teleph Corp <Ntt> | Inter-frame encoding system |
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