CN1773553A - 采用基于动态缓冲器容量水平压缩调节的图像编码 - Google Patents
采用基于动态缓冲器容量水平压缩调节的图像编码 Download PDFInfo
- Publication number
- CN1773553A CN1773553A CN200510093163.XA CN200510093163A CN1773553A CN 1773553 A CN1773553 A CN 1773553A CN 200510093163 A CN200510093163 A CN 200510093163A CN 1773553 A CN1773553 A CN 1773553A
- Authority
- CN
- China
- Prior art keywords
- coefficient
- capacity level
- input capacity
- current input
- sampling frequency
- 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.)
- Granted
Links
- 238000007906 compression Methods 0.000 title claims description 36
- 230000006835 compression Effects 0.000 title claims description 34
- 239000000872 buffer Substances 0.000 title abstract description 27
- 239000013598 vector Substances 0.000 claims abstract description 63
- 238000000034 method Methods 0.000 claims abstract description 50
- 238000004590 computer program Methods 0.000 claims abstract description 6
- 238000005070 sampling Methods 0.000 claims description 42
- 238000012545 processing Methods 0.000 claims description 20
- 238000011002 quantification Methods 0.000 claims description 10
- 238000012986 modification Methods 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 8
- 125000004122 cyclic group Chemical group 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000003672 processing method Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 238000013139 quantization Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 102000011842 Serrate-Jagged Proteins Human genes 0.000 description 1
- 108010036039 Serrate-Jagged Proteins Proteins 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
Abstract
Description
Claims (27)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/987,260 | 2004-11-12 | ||
US10/987,260 US7444030B2 (en) | 2004-11-12 | 2004-11-12 | Image encoding with dynamic buffer-capacity-level-based compression adjustment |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1773553A true CN1773553A (zh) | 2006-05-17 |
CN1773553B CN1773553B (zh) | 2010-06-16 |
Family
ID=35458607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200510093163.XA Active CN1773553B (zh) | 2004-11-12 | 2005-08-19 | 采用基于动态缓冲器容量水平压缩调节的图像编码 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7444030B2 (zh) |
JP (1) | JP2006141018A (zh) |
CN (1) | CN1773553B (zh) |
GB (1) | GB2420240B (zh) |
TW (1) | TWI355843B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101355773B (zh) * | 2007-07-23 | 2011-07-13 | 中兴通讯股份有限公司 | 缓冲区容量状态判断方法 |
CN103514920A (zh) * | 2012-06-21 | 2014-01-15 | 联发科技股份有限公司 | 缓冲图像至缓冲器装置的方法及装置 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7444030B2 (en) * | 2004-11-12 | 2008-10-28 | Micron Technology, Inc. | Image encoding with dynamic buffer-capacity-level-based compression adjustment |
US7684632B2 (en) * | 2005-05-16 | 2010-03-23 | Hewlett-Packard Development Company, L.P. | Estimating image compression quantization parameter values |
US7702161B2 (en) * | 2005-10-28 | 2010-04-20 | Aspeed Technology Inc. | Progressive differential motion JPEG codec |
US7885469B2 (en) * | 2006-05-22 | 2011-02-08 | Microsoft Corporation | Encoded high dynamic range textures |
US20080002899A1 (en) * | 2006-06-30 | 2008-01-03 | Curt Paul Breswick | Dynamic Compression Method for Use in Compressing Image Data |
US7636098B2 (en) * | 2006-09-28 | 2009-12-22 | Microsoft Corporation | Salience preserving image fusion |
US20080144124A1 (en) * | 2006-10-13 | 2008-06-19 | Ramin Samadani | Auxiliary information for reconstructing digital images processed through print-scan channels |
TWI491261B (zh) * | 2010-06-24 | 2015-07-01 | Mstar Semiconductor Inc | 加速遊程長度編碼之影像編碼方法與影像編碼裝置 |
EP2856757B1 (en) * | 2012-06-01 | 2018-04-11 | NXP USA, Inc. | Method and apparatus for performing compression of image data |
EP3306528B1 (en) * | 2016-10-04 | 2019-12-25 | Axis AB | Using image analysis algorithms for providing traning data to neural networks |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE468736B (sv) * | 1991-11-15 | 1993-03-08 | Televerket | Foerfarande och apparat foer bildkodning med oeverhoppning av bilder och/eller komponenter |
GB2280566B (en) | 1993-07-30 | 1997-06-11 | Sony Uk Ltd | Video data compression |
US5734755A (en) | 1994-03-11 | 1998-03-31 | The Trustees Of Columbia University In The City Of New York | JPEG/MPEG decoder-compatible optimized thresholding for image and video signal compression |
US5768481A (en) | 1995-06-05 | 1998-06-16 | Apple Computer, Inc. | Method and apparatus for compression of digitized image data using a dynamic band recompression scheme |
US6118817A (en) | 1997-03-14 | 2000-09-12 | Microsoft Corporation | Digital video signal encoder and encoding method having adjustable quantization |
US6252994B1 (en) * | 1998-01-26 | 2001-06-26 | Xerox Corporation | Adaptive quantization compatible with the JPEG baseline sequential mode |
US6859496B1 (en) * | 1998-05-29 | 2005-02-22 | International Business Machines Corporation | Adaptively encoding multiple streams of video data in parallel for multiplexing onto a constant bit rate channel |
US6298169B1 (en) * | 1998-10-27 | 2001-10-02 | Microsoft Corporation | Residual vector quantization for texture pattern compression and decompression |
US6233359B1 (en) | 1998-10-29 | 2001-05-15 | Seiko Epson Corporation | File size bounded JPEG transcoder (FSBJT) |
US6563955B2 (en) * | 1998-11-13 | 2003-05-13 | Xerox Corporation | Method and apparatus for analyzing image data to use multiple transforms for enhanced image data transmission |
US6310915B1 (en) * | 1998-11-20 | 2001-10-30 | Harmonic Inc. | Video transcoder with bitstream look ahead for rate control and statistical multiplexing |
KR100313217B1 (ko) | 1998-12-23 | 2001-12-28 | 서평원 | 파이프라인dct장치 |
US6658157B1 (en) * | 1999-06-29 | 2003-12-02 | Sony Corporation | Method and apparatus for converting image information |
GB2361132B (en) | 2000-04-07 | 2004-09-08 | Snell & Wilcox Ltd | Multiplexing compressed signals |
WO2002017538A2 (en) * | 2000-08-18 | 2002-02-28 | The Regents Of The University Of California | Fixed, variable and adaptive bit rate data source encoding (compression) method |
US6895050B2 (en) * | 2001-04-19 | 2005-05-17 | Jungwoo Lee | Apparatus and method for allocating bits temporaly between frames in a coding system |
US6950463B2 (en) | 2001-06-13 | 2005-09-27 | Microsoft Corporation | Non-compensated transcoding of a video stream |
US6804299B2 (en) * | 2001-06-15 | 2004-10-12 | Microsoft Corporation | Methods and systems for reducing requantization-originated generational error in predictive video streams using motion compensation |
US7123655B2 (en) * | 2001-08-09 | 2006-10-17 | Sharp Laboratories Of America, Inc. | Method for reduced bit-depth quantization |
US7295610B2 (en) * | 2002-03-27 | 2007-11-13 | Scientific-Atlanta, Inc. | Hybrid rate control in a digital stream transcoder |
GB2387055A (en) | 2002-03-28 | 2003-10-01 | Sony Uk Ltd | Data compression method including target data quantity allocation |
US6980695B2 (en) * | 2002-06-28 | 2005-12-27 | Microsoft Corporation | Rate allocation for mixed content video |
US7444030B2 (en) * | 2004-11-12 | 2008-10-28 | Micron Technology, Inc. | Image encoding with dynamic buffer-capacity-level-based compression adjustment |
-
2004
- 2004-11-12 US US10/987,260 patent/US7444030B2/en active Active
-
2005
- 2005-07-25 TW TW094125148A patent/TWI355843B/zh active
- 2005-08-19 CN CN200510093163.XA patent/CN1773553B/zh active Active
- 2005-10-24 GB GB0521658A patent/GB2420240B/en not_active Expired - Fee Related
- 2005-11-09 JP JP2005324565A patent/JP2006141018A/ja not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101355773B (zh) * | 2007-07-23 | 2011-07-13 | 中兴通讯股份有限公司 | 缓冲区容量状态判断方法 |
CN103514920A (zh) * | 2012-06-21 | 2014-01-15 | 联发科技股份有限公司 | 缓冲图像至缓冲器装置的方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
GB0521658D0 (en) | 2005-11-30 |
TWI355843B (en) | 2012-01-01 |
JP2006141018A (ja) | 2006-06-01 |
US7444030B2 (en) | 2008-10-28 |
US20060104524A1 (en) | 2006-05-18 |
CN1773553B (zh) | 2010-06-16 |
GB2420240B (en) | 2010-05-12 |
TW200631398A (en) | 2006-09-01 |
GB2420240A (en) | 2006-05-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1773553B (zh) | 采用基于动态缓冲器容量水平压缩调节的图像编码 | |
CN1094291C (zh) | 环路滤波器和环路滤波方法 | |
CN1148005C (zh) | 快速联合图像专家组霍夫曼编码和解码方法 | |
CN1078428C (zh) | 图象编码方法及装置 | |
CN100348045C (zh) | 析像度变换方法及装置 | |
KR100648391B1 (ko) | 역 이산 코사인 변환 알고리즘 선택 방법 및 장치 | |
CN1550104A (zh) | 应用Golomb-Rice编码法DCT压缩法 | |
CN105847800B (zh) | 基于全相位离散正弦双正交变换的图像压缩方法及系统 | |
CN1181679C (zh) | 图象解码装置和方法以及图象重放装置 | |
CN1574967A (zh) | 运动图像的压缩装置及利用其的摄像装置 | |
CN102271251B (zh) | 无失真的图像压缩方法 | |
CN100348053C (zh) | 利用运动图像的电子水印的错误隐蔽方法 | |
US7551788B2 (en) | Digital image coding device and method for noise removal using wavelet transforms | |
CN1878308A (zh) | 用于图像和视频压缩的正交变换方法 | |
CN1600033A (zh) | 在图像信号中嵌入水印 | |
CN1129870C (zh) | 对具有象素的数字图像进行运动估算的方法和装置 | |
CN1250009C (zh) | 高速逆离散余弦变换方法和装置 | |
US10432937B2 (en) | Adaptive precision and quantification of a wavelet transformed matrix | |
CN1652600A (zh) | 使用视频数据的运动向量信息的变换的扰码设备和方法 | |
CN1822050A (zh) | 全相位反余弦双正交变换及其对jpeg的改进方法 | |
CN1295652C (zh) | 图像资料编码方法 | |
CN1622635A (zh) | 在视频压缩系统中进行运动估测的方法及相关装置 | |
CN1867910A (zh) | 用于计算逆dct的方法和设备 | |
CN1691066A (zh) | 产生并使用辅助图像的图像压缩设备及其方法 | |
JP2002290743A (ja) | 画像情報符号化方法、符号化装置、ディジタル複写機、ディジタルファクシミリ装置、及び、ディジタルファイリング装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20070105 Address after: Singapore Singapore Applicant after: Avago Technologies Sensor IP Address before: Singapore Singapore Applicant before: Avago Technologies Imaging Ip |
|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: MICRON TECHNOLOGY INC. Free format text: FORMER OWNER: AVAGO SENSOR IP PRIVATE CO., LTD. Effective date: 20080822 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20080822 Address after: Idaho Applicant after: Micron Technology, Inc. Address before: Singapore Singapore Applicant before: Avago Technologies Sensor IP |
|
ASS | Succession or assignment of patent right |
Owner name: APTINA IMAGING CORP. Free format text: FORMER OWNER: MICRON TECHNOLOGY INC. Effective date: 20100402 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: IDAHO,U.S.A. TO: CAYMAN ISLANDS |
|
TA01 | Transfer of patent application right |
Effective date of registration: 20100402 Address after: Cayman Islands Applicant after: Micron Technology Inc. Address before: Idaho Applicant before: Micron Technology, Inc. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |