JPH0575313B2 - - Google Patents
Info
- Publication number
- JPH0575313B2 JPH0575313B2 JP63284983A JP28498388A JPH0575313B2 JP H0575313 B2 JPH0575313 B2 JP H0575313B2 JP 63284983 A JP63284983 A JP 63284983A JP 28498388 A JP28498388 A JP 28498388A JP H0575313 B2 JPH0575313 B2 JP H0575313B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- limiter
- hpf
- input
- level
- 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.)
- Expired - Lifetime
Links
- 238000010586 diagram Methods 0.000 description 10
- 239000003623 enhancer Substances 0.000 description 7
- 101000964795 Homo sapiens Zinc finger protein 84 Proteins 0.000 description 2
- 101000743788 Homo sapiens Zinc finger protein 92 Proteins 0.000 description 2
- 102100040636 Zinc finger protein 84 Human genes 0.000 description 2
- 102100039046 Zinc finger protein 92 Human genes 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Picture Signal Circuits (AREA)
- Television Signal Processing For Recording (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63284983A JPH02131088A (ja) | 1988-11-11 | 1988-11-11 | 輝度信号処理回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63284983A JPH02131088A (ja) | 1988-11-11 | 1988-11-11 | 輝度信号処理回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02131088A JPH02131088A (ja) | 1990-05-18 |
JPH0575313B2 true JPH0575313B2 (fr) | 1993-10-20 |
Family
ID=17685615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63284983A Granted JPH02131088A (ja) | 1988-11-11 | 1988-11-11 | 輝度信号処理回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02131088A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014025067A1 (fr) * | 2012-08-09 | 2014-02-13 | 株式会社計測技術研究所 | Dispositif de mise en valeur d'image et procédé de mise en valeur d'image |
JP2015050585A (ja) * | 2013-08-30 | 2015-03-16 | 合志 清一 | 画像処理装置及び画像処理方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2548448B2 (ja) * | 1990-10-05 | 1996-10-30 | 松下電器産業株式会社 | 多次元非線形信号処理装置 |
-
1988
- 1988-11-11 JP JP63284983A patent/JPH02131088A/ja active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014025067A1 (fr) * | 2012-08-09 | 2014-02-13 | 株式会社計測技術研究所 | Dispositif de mise en valeur d'image et procédé de mise en valeur d'image |
US9471962B2 (en) | 2012-08-09 | 2016-10-18 | Keisoku Giken Co., Ltd. | Image enhancement apparatus and image enhancement method |
JP2015050585A (ja) * | 2013-08-30 | 2015-03-16 | 合志 清一 | 画像処理装置及び画像処理方法 |
US9734563B2 (en) | 2013-08-30 | 2017-08-15 | Keisoku Giken Co., Ltd. | Image processing apparatus and image processing method |
Also Published As
Publication number | Publication date |
---|---|
JPH02131088A (ja) | 1990-05-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0354734B1 (fr) | Amplificateur non linéaire et circuit non linéaire de préaccentuation et de désaccentuation utilisant un tel amplificateur | |
US4571613A (en) | Noise reduction circuit for a video signal using a feedback type comb filter and an equalizer circuit | |
JPH07105929B2 (ja) | 映像信号処理装置 | |
US4587576A (en) | Video signal processing apparatus with pre-emphasis and de-emphasis for use in a recording and reproducing system | |
EP0133048B1 (fr) | Système de réduction de bruit pour un signal vidéo | |
US4646153A (en) | Noise reduction circuit for a video signal | |
US4570193A (en) | Video signal processing device including emphasis and/or de-emphasis circuit | |
JPH0575313B2 (fr) | ||
US4348692A (en) | VTR With equalizer | |
JPH02110863A (ja) | 磁気再生装置 | |
JPH0341882B2 (fr) | ||
US5276562A (en) | Emphasis apparatus disposed in either a record or playback system having triple weight coefficient generating devices | |
JPH0555949B2 (fr) | ||
JPS6322374B2 (fr) | ||
JPH0533874B2 (fr) | ||
JPH05292454A (ja) | ノンリニアエンファシス回路 | |
EP0147073A1 (fr) | Circuit de réduction du bruit pour un signal vidéo | |
JPS63266983A (ja) | 映像信号処理装置 | |
JP3048884B2 (ja) | Vtrの映像信号再生回路 | |
JPH0773192B2 (ja) | 信号処理装置 | |
JPH0627023Y2 (ja) | ノイズ低減回路 | |
JP2632428B2 (ja) | ライン相関ノイズキャンセル回路 | |
JP2535263B2 (ja) | ディエンファシス回路 | |
JP3013482B2 (ja) | Fm等化回路及びこれを用いた記録再生装置 | |
JPS6116068A (ja) | 映像信号処理装置 |