CN100589580C - 改进的内插像素值的计算方法 - Google Patents
改进的内插像素值的计算方法 Download PDFInfo
- Publication number
- CN100589580C CN100589580C CN200480035624A CN200480035624A CN100589580C CN 100589580 C CN100589580 C CN 100589580C CN 200480035624 A CN200480035624 A CN 200480035624A CN 200480035624 A CN200480035624 A CN 200480035624A CN 100589580 C CN100589580 C CN 100589580C
- Authority
- CN
- China
- Prior art keywords
- pixel
- interpolated
- pixel position
- positions
- integer
- 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 - Fee Related
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
- G06T3/4007—Scaling of whole images or parts thereof, e.g. expanding or contracting based on interpolation, e.g. bilinear interpolation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Color Television Image Signal Generators (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20035444A NO320114B1 (no) | 2003-12-05 | 2003-12-05 | Forbedret utregning av interpolerte pixelverdier |
NO20035444 | 2003-12-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1890983A CN1890983A (zh) | 2007-01-03 |
CN100589580C true CN100589580C (zh) | 2010-02-10 |
Family
ID=30439628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200480035624A Expired - Fee Related CN100589580C (zh) | 2003-12-05 | 2004-10-01 | 改进的内插像素值的计算方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7616689B2 (zh) |
EP (1) | EP1695560B1 (zh) |
JP (1) | JP4761390B2 (zh) |
CN (1) | CN100589580C (zh) |
NO (1) | NO320114B1 (zh) |
WO (1) | WO2005055615A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105069747A (zh) * | 2015-07-13 | 2015-11-18 | 中国科学院遥感与数字地球研究所 | 图像插值方法及装置 |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9330060B1 (en) | 2003-04-15 | 2016-05-03 | Nvidia Corporation | Method and device for encoding and decoding video image data |
US8660182B2 (en) | 2003-06-09 | 2014-02-25 | Nvidia Corporation | MPEG motion estimation based on dual start points |
US8731071B1 (en) | 2005-12-15 | 2014-05-20 | Nvidia Corporation | System for performing finite input response (FIR) filtering in motion estimation |
US8724702B1 (en) | 2006-03-29 | 2014-05-13 | Nvidia Corporation | Methods and systems for motion estimation used in video coding |
US8660380B2 (en) | 2006-08-25 | 2014-02-25 | Nvidia Corporation | Method and system for performing two-dimensional transform on data value array with reduced power consumption |
US8756482B2 (en) | 2007-05-25 | 2014-06-17 | Nvidia Corporation | Efficient encoding/decoding of a sequence of data frames |
US9118927B2 (en) * | 2007-06-13 | 2015-08-25 | Nvidia Corporation | Sub-pixel interpolation and its application in motion compensated encoding of a video signal |
US8873625B2 (en) | 2007-07-18 | 2014-10-28 | Nvidia Corporation | Enhanced compression in representing non-frame-edge blocks of image frames |
CN101816016A (zh) * | 2007-10-05 | 2010-08-25 | 诺基亚公司 | 利用像素对准的方向性自适应插值滤波器的视频编码 |
US8416861B2 (en) * | 2007-10-14 | 2013-04-09 | Nokia Corporation | Fixed-point implementation of an adaptive image filter with high coding efficiency |
US8812572B2 (en) * | 2008-07-02 | 2014-08-19 | Renesas Electronics Corporation | Filter processing device and semiconductor device |
US8750378B2 (en) | 2008-09-23 | 2014-06-10 | Qualcomm Incorporated | Offset calculation in switched interpolation filters |
WO2010063881A1 (en) * | 2008-12-03 | 2010-06-10 | Nokia Corporation | Flexible interpolation filter structures for video coding |
US8666181B2 (en) | 2008-12-10 | 2014-03-04 | Nvidia Corporation | Adaptive multiple engine image motion detection system and method |
NO330275B1 (no) * | 2008-12-19 | 2011-03-21 | Tandberg Telecom As | Fremgangsmate i en videokodings-/-dekodingsprosess |
RU2011149204A (ru) * | 2009-06-09 | 2013-06-10 | Сони Корпорейшн | Устройство и способ обработки изображений |
KR101682147B1 (ko) * | 2010-04-05 | 2016-12-05 | 삼성전자주식회사 | 변환 및 역변환에 기초한 보간 방법 및 장치 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3854337T2 (de) | 1987-06-09 | 1996-02-01 | Sony Corp | Bewegungskompensierte Interpolation von digitalen Fernsehbildern. |
US5870497A (en) * | 1991-03-15 | 1999-02-09 | C-Cube Microsystems | Decoder for compressed video signals |
US5638128A (en) * | 1994-11-08 | 1997-06-10 | General Instrument Corporation Of Delaware | Pixel interpolation filters for video decompression processor |
KR100226684B1 (ko) * | 1996-03-22 | 1999-10-15 | 전주범 | 반화소 움직임 추정장치 |
US6288745B1 (en) * | 1997-04-24 | 2001-09-11 | Mitsubishi Denki Kabushiki Kaisha | Scanner line interpolation device |
JPH11122626A (ja) * | 1997-10-17 | 1999-04-30 | Nikon Corp | 画像処理方法及び装置並びに画像処理プログラムを記録した記録媒体 |
US6259734B1 (en) * | 1998-04-03 | 2001-07-10 | Matsushita Electric Industrial Co., Ltd. | Image processing method, image processing apparatus, and data storage media |
US6628714B1 (en) * | 1998-12-18 | 2003-09-30 | Zenith Electronics Corporation | Down converting MPEG encoded high definition sequences to lower resolution with reduced memory in decoder loop |
US6658157B1 (en) * | 1999-06-29 | 2003-12-02 | Sony Corporation | Method and apparatus for converting image information |
JP4361991B2 (ja) | 1999-08-20 | 2009-11-11 | メディア・テック・ユーエスエイ・インコーポレーテッド | 画像処理装置 |
US6510178B1 (en) * | 1999-12-15 | 2003-01-21 | Zenith Electronics Corporation | Compensating for drift in the down conversion of high definition sequences to lower resolution sequences |
US6950469B2 (en) * | 2001-09-17 | 2005-09-27 | Nokia Corporation | Method for sub-pixel value interpolation |
US7245326B2 (en) | 2001-11-19 | 2007-07-17 | Matsushita Electric Industrial Co. Ltd. | Method of edge based interpolation |
US8175159B2 (en) * | 2002-01-24 | 2012-05-08 | Hitachi, Ltd. | Moving picture signal coding method, decoding method, coding apparatus, and decoding apparatus |
JP4120301B2 (ja) * | 2002-04-25 | 2008-07-16 | ソニー株式会社 | 画像処理装置およびその方法 |
JP4318019B2 (ja) * | 2002-05-28 | 2009-08-19 | ソニー株式会社 | 画像処理装置および方法、記録媒体、並びにプログラム |
US9137541B2 (en) * | 2003-05-23 | 2015-09-15 | Broadcom Corporation | Video data cache |
-
2003
- 2003-12-05 NO NO20035444A patent/NO320114B1/no not_active IP Right Cessation
-
2004
- 2004-10-01 US US10/954,195 patent/US7616689B2/en not_active Expired - Fee Related
- 2004-10-01 EP EP04775074.0A patent/EP1695560B1/en not_active Expired - Lifetime
- 2004-10-01 WO PCT/NO2004/000292 patent/WO2005055615A1/en active Application Filing
- 2004-10-01 JP JP2006542521A patent/JP4761390B2/ja not_active Expired - Fee Related
- 2004-10-01 CN CN200480035624A patent/CN100589580C/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105069747A (zh) * | 2015-07-13 | 2015-11-18 | 中国科学院遥感与数字地球研究所 | 图像插值方法及装置 |
CN105069747B (zh) * | 2015-07-13 | 2018-07-20 | 中国科学院遥感与数字地球研究所 | 图像插值方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
NO320114B1 (no) | 2005-10-24 |
JP4761390B2 (ja) | 2011-08-31 |
US7616689B2 (en) | 2009-11-10 |
WO2005055615A1 (en) | 2005-06-16 |
CN1890983A (zh) | 2007-01-03 |
US20050123040A1 (en) | 2005-06-09 |
EP1695560B1 (en) | 2019-06-19 |
JP2007515115A (ja) | 2007-06-07 |
NO20035444L (no) | 2005-06-06 |
NO20035444D0 (no) | 2003-12-05 |
EP1695560A1 (en) | 2006-08-30 |
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Owner name: CISCO SYSTEMS INTERNATIONAL BV Free format text: FORMER OWNER: TANDBERG TELECOM AS Effective date: 20120406 |
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Effective date of registration: 20120406 Address after: Swiss basil Patentee after: Cisco Systems International Sarl Address before: Norway lsaac Patentee before: Tandberg Telecom AS |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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