CN1575587A - 在像素处理装置中的组合垂直峰值和缩放比例的多相滤波器 - Google Patents
在像素处理装置中的组合垂直峰值和缩放比例的多相滤波器 Download PDFInfo
- Publication number
- CN1575587A CN1575587A CNA028210875A CN02821087A CN1575587A CN 1575587 A CN1575587 A CN 1575587A CN A028210875 A CNA028210875 A CN A028210875A CN 02821087 A CN02821087 A CN 02821087A CN 1575587 A CN1575587 A CN 1575587A
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- Prior art keywords
- coefficient
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- pixel
- processing unit
- Prior art date
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- Granted
Links
- 238000012545 processing Methods 0.000 title claims abstract description 60
- 239000000872 buffer Substances 0.000 claims abstract description 26
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000006870 function Effects 0.000 claims description 39
- 230000004044 response Effects 0.000 claims description 11
- 238000010977 unit operation Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 9
- 230000003442 weekly effect Effects 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 7
- 238000005070 sampling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008571 general function Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003707 image sharpening Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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- 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
- H04N7/0135—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes
-
- 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
-
- 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
- H04N5/20—Circuitry for controlling amplitude response
- H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
- H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Image Processing (AREA)
- Picture Signal Circuits (AREA)
- Color Television Image Signal Generators (AREA)
- Facsimile Heads (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/046,515 US20030080981A1 (en) | 2001-10-26 | 2001-10-26 | Polyphase filter combining vertical peaking and scaling in pixel-processing arrangement |
US10/046,515 | 2001-10-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1575587A true CN1575587A (zh) | 2005-02-02 |
CN1330168C CN1330168C (zh) | 2007-08-01 |
Family
ID=21943842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028210875A Expired - Fee Related CN1330168C (zh) | 2001-10-26 | 2002-10-14 | 垂直像素信号处理方法和设备 |
Country Status (9)
Country | Link |
---|---|
US (1) | US20030080981A1 (zh) |
EP (1) | EP1442591B1 (zh) |
JP (1) | JP4168340B2 (zh) |
KR (1) | KR100956020B1 (zh) |
CN (1) | CN1330168C (zh) |
AT (1) | ATE437528T1 (zh) |
DE (1) | DE60233063D1 (zh) |
TW (1) | TW595225B (zh) |
WO (1) | WO2003036943A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101883225B (zh) * | 2009-05-06 | 2012-06-27 | 晨星软件研发(深圳)有限公司 | 用以消除影像误差的滤波器与方法 |
CN112886944A (zh) * | 2019-11-29 | 2021-06-01 | 西安诺瓦星云科技股份有限公司 | 滤波器系数生成方法及装置 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005516314A (ja) * | 2002-02-01 | 2005-06-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | コンピュータ・グラフィックスのステップを発生させ無い3次元テクスチャ・マッピング |
US8184922B2 (en) * | 2003-04-29 | 2012-05-22 | Trident Microsystems (Far East) Ltd. | Digital filter configuration |
KR100519776B1 (ko) * | 2003-11-24 | 2005-10-07 | 삼성전자주식회사 | 영상 신호의 해상도 변환 방법 및 장치 |
US20080309817A1 (en) * | 2004-05-07 | 2008-12-18 | Micronas Usa, Inc. | Combined scaling, filtering, and scan conversion |
US7408590B2 (en) * | 2004-05-07 | 2008-08-05 | Micronas Usa, Inc. | Combined scaling, filtering, and scan conversion |
US7411628B2 (en) * | 2004-05-07 | 2008-08-12 | Micronas Usa, Inc. | Method and system for scaling, filtering, scan conversion, panoramic scaling, YC adjustment, and color conversion in a display controller |
US7259796B2 (en) * | 2004-05-07 | 2007-08-21 | Micronas Usa, Inc. | System and method for rapidly scaling and filtering video data |
US7688337B2 (en) * | 2004-05-21 | 2010-03-30 | Broadcom Corporation | System and method for reducing image scaling complexity with flexible scaling factors |
US20060149802A1 (en) * | 2005-01-04 | 2006-07-06 | Shang-Chieh Wen | Scaling filter and method thereof |
CN100568863C (zh) * | 2005-09-30 | 2009-12-09 | 中国科学院上海微系统与信息技术研究所 | 基于多子带滤波器组的发射、接收装置及其方法 |
JP2007193397A (ja) * | 2006-01-17 | 2007-08-02 | Sharp Corp | スケーラとエッジ強調の画像処理方法及び装置 |
JP2007336175A (ja) * | 2006-06-14 | 2007-12-27 | Matsushita Electric Ind Co Ltd | 電子ズーム装置 |
US8073282B2 (en) * | 2007-07-23 | 2011-12-06 | Qualcomm Incorporated | Scaling filter for video sharpening |
JP2011237997A (ja) * | 2010-05-10 | 2011-11-24 | Sony Corp | 画像処理装置、および画像処理方法、並びにプログラム |
US20130162901A1 (en) * | 2011-12-22 | 2013-06-27 | Silicon Image, Inc. | Ringing suppression in video scalers |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4538178A (en) * | 1983-06-24 | 1985-08-27 | Rca Corporation | Digital signal peaking apparatus with controllable peaking level |
US5422827A (en) * | 1993-02-12 | 1995-06-06 | Cirrus Logic, Inc. | Integrated video scaling and sharpening filter |
US5587742A (en) * | 1995-08-25 | 1996-12-24 | Panasonic Technologies, Inc. | Flexible parallel processing architecture for video resizing |
EP0870364B1 (en) * | 1996-10-31 | 2001-12-05 | Koninklijke Philips Electronics N.V. | Sample rate conversion |
US6281873B1 (en) * | 1997-10-09 | 2001-08-28 | Fairchild Semiconductor Corporation | Video line rate vertical scaler |
CN1248486C (zh) * | 1999-12-17 | 2006-03-29 | 皇家菲利浦电子有限公司 | 用于峰化信号的方法和设备 |
WO2001069918A1 (en) * | 2000-03-15 | 2001-09-20 | Koninklijke Philips Electronics N.V. | Video-apparatus with peaking filter |
-
2001
- 2001-10-26 US US10/046,515 patent/US20030080981A1/en not_active Abandoned
-
2002
- 2002-10-14 WO PCT/IB2002/004223 patent/WO2003036943A1/en active Application Filing
- 2002-10-14 JP JP2003539303A patent/JP4168340B2/ja not_active Expired - Fee Related
- 2002-10-14 EP EP02772742A patent/EP1442591B1/en not_active Expired - Lifetime
- 2002-10-14 KR KR1020047006112A patent/KR100956020B1/ko not_active IP Right Cessation
- 2002-10-14 CN CNB028210875A patent/CN1330168C/zh not_active Expired - Fee Related
- 2002-10-14 DE DE60233063T patent/DE60233063D1/de not_active Expired - Lifetime
- 2002-10-14 AT AT02772742T patent/ATE437528T1/de not_active IP Right Cessation
- 2002-10-17 TW TW091123936A patent/TW595225B/zh not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101883225B (zh) * | 2009-05-06 | 2012-06-27 | 晨星软件研发(深圳)有限公司 | 用以消除影像误差的滤波器与方法 |
CN112886944A (zh) * | 2019-11-29 | 2021-06-01 | 西安诺瓦星云科技股份有限公司 | 滤波器系数生成方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
DE60233063D1 (de) | 2009-09-03 |
EP1442591A1 (en) | 2004-08-04 |
JP4168340B2 (ja) | 2008-10-22 |
KR20040045927A (ko) | 2004-06-02 |
CN1330168C (zh) | 2007-08-01 |
TW595225B (en) | 2004-06-21 |
WO2003036943A1 (en) | 2003-05-01 |
EP1442591B1 (en) | 2009-07-22 |
US20030080981A1 (en) | 2003-05-01 |
KR100956020B1 (ko) | 2010-05-06 |
ATE437528T1 (de) | 2009-08-15 |
JP2005506809A (ja) | 2005-03-03 |
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Owner name: NXP CO., LTD. Free format text: FORMER OWNER: KONINKLIJKE PHILIPS ELECTRONICS N.V. Effective date: 20070824 |
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Owner name: TRIDENT MICROSYSTEMS (FAR EAST)CO., LTD. Free format text: FORMER OWNER: KONINKL PHILIPS ELECTRONICS NV Effective date: 20100819 |
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Effective date of registration: 20100819 Address after: Grand Cayman, Cayman Islands Patentee after: Trident Microsystems (Far East) Ltd. Address before: Holland Ian Deho Finn Patentee before: Koninkl Philips Electronics NV |
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Owner name: ENTROPY COMMUNICATION CO., LTD. Free format text: FORMER OWNER: TRIDENT MICROSYSTEMS (FAR EAST) LTD. Effective date: 20130218 |
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Effective date of registration: 20130218 Address after: American California Patentee after: Entropic Communications, Inc. Address before: Grand Cayman, Cayman Islands Patentee before: Trident Microsystems (Far East) Ltd. |
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