JPS6461190A - Video signal processing unit - Google Patents
Video signal processing unitInfo
- Publication number
- JPS6461190A JPS6461190A JP21847687A JP21847687A JPS6461190A JP S6461190 A JPS6461190 A JP S6461190A JP 21847687 A JP21847687 A JP 21847687A JP 21847687 A JP21847687 A JP 21847687A JP S6461190 A JPS6461190 A JP S6461190A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- unit
- noise
- video signal
- video
- 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
- 238000001514 detection method Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
Landscapes
- Processing Of Color Television Signals (AREA)
Abstract
PURPOSE:To contrive to improve the picture quality by separating a luminance signal and a chrominance signal and also reducing noise so as to realize a beautiful picture in the separation processing of luminance signal/chrominance signal of a video signal applied in implementing reception/reproduction of the video signal. CONSTITUTION:Arithmetic units 25, 30 calculate inter-line and inter-frame video signals respectively to pass through a chrominance signal component. A changeover switch 26, based on the output of a moving detection section 31 detecting the timewise change in the video signal, switches the signal obtained by the unit 25 and the signal obtained by the unit 30 to given the signal to a band pass filter (BPF) 27. The BPF 27 eliminates the luminance signal component and noise included in the signal and separates the chrominance signal. The unit 29 calculates a difference between the video signal and the signal with the color signal component eliminated thereof to separate the luminance signal. That is, when the video signal is unchanged timewise, the signal S not eliminated with noise by the BPF 27 is given to the unit 29 and the noise component in the signals A, S inputted to the unit 29 are cancelled and the luminance signal Y without noise is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21847687A JPS6461190A (en) | 1987-08-31 | 1987-08-31 | Video signal processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21847687A JPS6461190A (en) | 1987-08-31 | 1987-08-31 | Video signal processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6461190A true JPS6461190A (en) | 1989-03-08 |
Family
ID=16720528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21847687A Pending JPS6461190A (en) | 1987-08-31 | 1987-08-31 | Video signal processing unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6461190A (en) |
-
1987
- 1987-08-31 JP JP21847687A patent/JPS6461190A/en active Pending
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