JPS6471288A - Luminance signal and chrominance signal separation filter corresponding to picture correlation - Google Patents
Luminance signal and chrominance signal separation filter corresponding to picture correlationInfo
- Publication number
- JPS6471288A JPS6471288A JP22882087A JP22882087A JPS6471288A JP S6471288 A JPS6471288 A JP S6471288A JP 22882087 A JP22882087 A JP 22882087A JP 22882087 A JP22882087 A JP 22882087A JP S6471288 A JPS6471288 A JP S6471288A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- chrominance signal
- given
- chrominance
- luminance signal
- 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
Abstract
PURPOSE:To reduce the effect of leakage of a mutual channel of a luminance signal and a chrominance signal by using a luminance signal/chrominance signal filter depending on the correlation of a picture in the vertical aud horizontal direction of a composite color television signal. CONSTITUTION:A composite color television signal is sampled by an A/D converter 4. The A/D converter 4 and the output of one-line delay circuits 5a, 5b are given to a vertical chrominance signal extraction filter 6a, a horizontal chrominance signal extraction filter 6b and a horizontal/vertical chrominance signal extraction filter 6c. Outputs of the filters 6a-6c are given to a switch circuit 8 via compensation delay circuits 5c-5e. An output of the picture correlation discrimination circuit 7 is given to the switch circuit 8 as a control signal. The output of the switch circuit 8 is outputted from the terminal 2 as the chrominance signal and given to a subtractor circuit 9a. A luminance signal is outputted from the subtraction circuit 9a.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22882087A JPS6471288A (en) | 1987-09-10 | 1987-09-10 | Luminance signal and chrominance signal separation filter corresponding to picture correlation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22882087A JPS6471288A (en) | 1987-09-10 | 1987-09-10 | Luminance signal and chrominance signal separation filter corresponding to picture correlation |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6471288A true JPS6471288A (en) | 1989-03-16 |
Family
ID=16882373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22882087A Pending JPS6471288A (en) | 1987-09-10 | 1987-09-10 | Luminance signal and chrominance signal separation filter corresponding to picture correlation |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6471288A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5491522A (en) * | 1993-06-11 | 1996-02-13 | Goldstar Co., Ltd. | Luminance and color signal isolation device |
US5508753A (en) * | 1994-04-21 | 1996-04-16 | Matsushita Electric Industrial Co., Ltd. | Luminance and chrominance signal separating apparatus |
US5654768A (en) * | 1995-03-27 | 1997-08-05 | Matsushita Electric Industrial Co., Ltd. | Pal-system adaptive color-signal demodulator |
-
1987
- 1987-09-10 JP JP22882087A patent/JPS6471288A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5491522A (en) * | 1993-06-11 | 1996-02-13 | Goldstar Co., Ltd. | Luminance and color signal isolation device |
US5508753A (en) * | 1994-04-21 | 1996-04-16 | Matsushita Electric Industrial Co., Ltd. | Luminance and chrominance signal separating apparatus |
US5654768A (en) * | 1995-03-27 | 1997-08-05 | Matsushita Electric Industrial Co., Ltd. | Pal-system adaptive color-signal demodulator |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU589610B2 (en) | A video signal recursive filter with luma/chroma separation | |
JPS56162593A (en) | Decoding device for composite pal televison signal | |
JPS6471288A (en) | Luminance signal and chrominance signal separation filter corresponding to picture correlation | |
MY105386A (en) | Television receiver with auxilliary input connector for video signals of a separated y-c format. | |
JPS6489683A (en) | Television receiver | |
CA1261463A (en) | Digital television receiver with digital video processing circuit | |
HK135693A (en) | Circuit for an adaptive comb filter for separating the luminance and chrominance signals of a composite pal or ntsc video signal | |
JPS6430387A (en) | Y/c separator circuit | |
JPS6471289A (en) | Luminance signal chrominance signal separation filter corresponding to picture correlation | |
JPS6416184A (en) | Video signal processor | |
JPS57141190A (en) | Cross-color eliminating circuit | |
JPS6469192A (en) | Separation filter for image correlation corresponding luminance signal and chrominance signal | |
JPS6478593A (en) | Luminance signal/chrominance signal separating filter corresponding to picture correlation | |
JPS648795A (en) | Luminance signal chrominance signal separation filter corresponding to picture correlation | |
JPS6419891A (en) | Movement detecting circuit | |
JPS6489887A (en) | Composite video signal output circuit | |
JPS648793A (en) | Luminance signal chrominance signal separation filter corresponding to picture correlation | |
JPS648794A (en) | Luminance signal chrominance signal separation filter corresponding to picture correlation | |
FR2399172A1 (en) | Demodulator switching in SECAM colour TV - is provided by gating control signal with horizontal synchronising signal | |
JPS6449392A (en) | Television receiver | |
JPS6469193A (en) | Separation filter for image correlation corresponding luminance signal and chrominance signal | |
JPS641389A (en) | Signal processing circuit for television receiver | |
JPS56164690A (en) | Still picture reproducing device | |
JPS56153891A (en) | Television receiver having means for improving color picture quality | |
JPS54140823A (en) | Color signal processing circuit of pal-system color receiver |