CN1279756C - 应用场景静止检测的视频信号自适应递归降噪方法 - Google Patents
应用场景静止检测的视频信号自适应递归降噪方法 Download PDFInfo
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- CN1279756C CN1279756C CNB031288189A CN03128818A CN1279756C CN 1279756 C CN1279756 C CN 1279756C CN B031288189 A CNB031288189 A CN B031288189A CN 03128818 A CN03128818 A CN 03128818A CN 1279756 C CN1279756 C CN 1279756C
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- 230000003068 static effect Effects 0.000 title claims abstract description 151
- 238000000034 method Methods 0.000 title claims abstract description 122
- 238000001514 detection method Methods 0.000 title claims abstract description 51
- 230000003044 adaptive effect Effects 0.000 title description 4
- 238000009825 accumulation Methods 0.000 claims description 37
- 230000015654 memory Effects 0.000 claims description 37
- 230000006978 adaptation Effects 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000011946 reduction process Methods 0.000 description 11
- 230000033001 locomotion Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000000750 progressive effect Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/144—Movement detection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
- H04N7/012—Conversion between an interlaced and a progressive signal
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
Abstract
Description
参数 | 范围 | 参考缺省值 |
Y_T_MIN | [0,255] | 10 |
C_T_MIN | [0,255] | 30 |
Y_TU | [1,3] | 2 |
C_TU | [1,3] | 3 |
Y_NRL | [0,1] | 0.5 |
C_NRL | [0,1] | 0.5 |
Claims (39)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB031288189A CN1279756C (zh) | 2003-05-23 | 2003-05-23 | 应用场景静止检测的视频信号自适应递归降噪方法 |
US10/659,032 US7176982B2 (en) | 2003-05-23 | 2003-09-09 | Recursive noise reduction with still pixel detection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB031288189A CN1279756C (zh) | 2003-05-23 | 2003-05-23 | 应用场景静止检测的视频信号自适应递归降噪方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1549592A CN1549592A (zh) | 2004-11-24 |
CN1279756C true CN1279756C (zh) | 2006-10-11 |
Family
ID=33438169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031288189A Expired - Lifetime CN1279756C (zh) | 2003-05-23 | 2003-05-23 | 应用场景静止检测的视频信号自适应递归降噪方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7176982B2 (zh) |
CN (1) | CN1279756C (zh) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1278553C (zh) * | 2003-05-23 | 2006-10-04 | 华亚微电子(上海)有限公司 | 一种像素静止检测的多窗口多阈值方法 |
KR100557660B1 (ko) | 2004-07-29 | 2006-03-10 | 매그나칩 반도체 유한회사 | 영상 신호에서의 플리커 검출 방법 |
US7885478B2 (en) * | 2005-05-19 | 2011-02-08 | Mstar Semiconductor, Inc. | Noise reduction method and noise reduction apparatus |
US8264610B2 (en) * | 2006-04-18 | 2012-09-11 | Marvell World Trade Ltd. | Shared memory multi video channel display apparatus and methods |
US20070242160A1 (en) * | 2006-04-18 | 2007-10-18 | Marvell International Ltd. | Shared memory multi video channel display apparatus and methods |
US8284322B2 (en) * | 2006-04-18 | 2012-10-09 | Marvell World Trade Ltd. | Shared memory multi video channel display apparatus and methods |
US8218091B2 (en) * | 2006-04-18 | 2012-07-10 | Marvell World Trade Ltd. | Shared memory multi video channel display apparatus and methods |
CN101461232B (zh) * | 2006-04-18 | 2012-02-08 | 马维尔国际贸易有限公司 | 共享存储器多视频通道显示装置和方法 |
US20080239100A1 (en) * | 2007-03-30 | 2008-10-02 | Broadcom Corporation | Event Based Picture Storage |
TWI336202B (en) * | 2007-07-06 | 2011-01-11 | Quanta Comp Inc | Noise reduction device and method |
EP2073532A1 (en) * | 2007-12-17 | 2009-06-24 | Koninklijke Philips Electronics N.V. | Video signal processing |
US20100053427A1 (en) * | 2008-09-01 | 2010-03-04 | Naka Masafumi D | Picture improvement system |
CN102055945B (zh) * | 2009-10-30 | 2014-10-15 | 富士通微电子(上海)有限公司 | 数字视频信号处理中的去噪音方法及*** |
JP6697684B2 (ja) * | 2016-10-13 | 2020-05-27 | パナソニックIpマネジメント株式会社 | 画像処理装置、画像処理方法、及び画像処理回路 |
US10997884B2 (en) * | 2018-10-30 | 2021-05-04 | Nvidia Corporation | Reducing video image defects by adjusting frame buffer processes |
CN110807750B (zh) * | 2019-11-14 | 2022-11-18 | 海信视像科技股份有限公司 | 图像处理方法和设备 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4390894A (en) * | 1980-08-20 | 1983-06-28 | U.S. Philips Corporation | Noise suppression circuit for a video signal |
KR910009880B1 (ko) * | 1983-07-25 | 1991-12-03 | 가부시기가이샤 히다찌세이사꾸쇼 | 인터레이스된 텔레비젼 신호중의 화상의 움직임 검출회로 |
US4881125A (en) * | 1988-10-14 | 1989-11-14 | General Instrument Corporation | Progressive scan display of video derived from film |
US5027201A (en) * | 1989-12-21 | 1991-06-25 | Rca Licensing Corporation | Motion detection apparatus as for an interlace to non-interlace scan converter |
DE69720407T2 (de) * | 1996-09-11 | 2004-01-15 | Koninkl Philips Electronics Nv | Adaptive bildverzögerung |
-
2003
- 2003-05-23 CN CNB031288189A patent/CN1279756C/zh not_active Expired - Lifetime
- 2003-09-09 US US10/659,032 patent/US7176982B2/en active Active - Reinstated
Also Published As
Publication number | Publication date |
---|---|
US7176982B2 (en) | 2007-02-13 |
US20040233334A1 (en) | 2004-11-25 |
CN1549592A (zh) | 2004-11-24 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: GADMEI ELECTRONICS TECHNOLOGY Co.,Ltd. Assignor: Huaya Microelectronics (Shanghai) Co.,Ltd. Contract fulfillment period: 2006.11.5 to 2015.12.5 Contract record no.: 2008440000291 Denomination of invention: Adaptive recursive noise reducing method of video signal for applied scene static detection Granted publication date: 20061011 License type: Exclusive license Record date: 20081103 |
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LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2006.11.5 TO 2015.12.5; CHANGE OF CONTRACT Name of requester: QINGYUAN CITY JIADEMEI ELECTRON SCIENCE CO., LTD. Effective date: 20081103 |
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Owner name: SHANGHAI WEIZHOU MICROELECTRONIC TECHNOLOGY CO., L Free format text: FORMER OWNER: HUAYA MICROELECTRONIC (SHANGHAI) CO., LTD. Effective date: 20121218 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20121218 Address after: 201203, Shanghai 690 Zhangjiang Road, Pudong No. 5 Building No. 2 floor Patentee after: WZ TECHNOLOGY Inc. Address before: 201203 No. 8, building 572, 116 lane, Zhangjiang Road, Zhangjiang, Shanghai, Pudong Patentee before: Huaya Microelectronics (Shanghai) Co.,Ltd. |
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Effective date of registration: 20200318 Address after: 215634 Jiangsu Suzhou Environmental Protection New Material Industrial Park, north of Chenggang Road and west of Ganghua Road Patentee after: ZHANGJIAGANG KANGDE XIN OPTRONICS MATERIAL Co.,Ltd. Address before: 201203, Shanghai 690 Zhangjiang Road, Pudong No. 5 Building No. 2 floor Patentee before: WZ TECHNOLOGY Inc. |
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