CN1164167A - 用于视频信号编码系统的自适应量化器 - Google Patents
用于视频信号编码系统的自适应量化器 Download PDFInfo
- Publication number
- CN1164167A CN1164167A CN97100256A CN97100256A CN1164167A CN 1164167 A CN1164167 A CN 1164167A CN 97100256 A CN97100256 A CN 97100256A CN 97100256 A CN97100256 A CN 97100256A CN 1164167 A CN1164167 A CN 1164167A
- Authority
- CN
- China
- Prior art keywords
- act
- quantizer
- signal
- frame
- frequency coefficient
- 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
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
- 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
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
-
- 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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
-
- 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
- H04N19/115—Selection of the code volume for a coding unit prior to coding
-
- 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
- H04N19/169—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
- H04N19/17—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 an image region, e.g. an object
- H04N19/176—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 an image region, e.g. an object the region being a block, e.g. a macroblock
-
- 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
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR13773/1996 | 1996-04-30 | ||
KR1019960013773A KR100203710B1 (ko) | 1996-04-30 | 1996-04-30 | 비트 발생량 조절기능을 갖는 영상 부호화 시스템 |
KR13773/96 | 1996-04-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1164167A true CN1164167A (zh) | 1997-11-05 |
CN1110962C CN1110962C (zh) | 2003-06-04 |
Family
ID=19457275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97100256A Expired - Fee Related CN1110962C (zh) | 1996-04-30 | 1997-01-10 | 用于视频信号编码系统的自适应量化器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5892548A (zh) |
JP (1) | JPH09307904A (zh) |
KR (1) | KR100203710B1 (zh) |
CN (1) | CN1110962C (zh) |
GB (1) | GB2316564B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100380980C (zh) * | 2002-04-23 | 2008-04-09 | 诺基亚有限公司 | 用于在视频编码系统中指示量化器参数的方法与设备 |
US8625917B2 (en) | 2006-03-16 | 2014-01-07 | Huawei Technologies Co., Ltd. | Method and apparatus for realizing adaptive quantization in process of image coding |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1023415A (ja) * | 1996-07-05 | 1998-01-23 | Matsushita Electric Ind Co Ltd | 画像符号化復号方法および装置 |
KR100522121B1 (ko) * | 1997-12-17 | 2006-01-12 | 삼성전자주식회사 | 버퍼상태에 따른 dct계수를 제한하는 mpeg인코더 |
JP4231565B2 (ja) * | 1997-12-19 | 2009-03-04 | テキサス インスツルメンツ インコーポレイテツド | 画像情報エンコーディングシステム |
KR100585635B1 (ko) * | 1997-12-30 | 2006-08-21 | 엘지전자 주식회사 | 비트 할당 방법 |
DE69815159T2 (de) * | 1998-03-20 | 2004-04-08 | Stmicroelectronics Asia Pacific Pte Ltd. | Kodierung von bewegten bildern mit globaler konstanter bitrate |
US6212232B1 (en) | 1998-06-18 | 2001-04-03 | Compaq Computer Corporation | Rate control and bit allocation for low bit rate video communication applications |
US6263021B1 (en) * | 1998-09-18 | 2001-07-17 | Sarnoff Corporation | Treating non-zero quantized transform coefficients as zeros during video compression processing |
JP4069524B2 (ja) * | 1998-11-10 | 2008-04-02 | ソニー株式会社 | 伝送方法及び装置 |
JP4344964B2 (ja) * | 1999-06-01 | 2009-10-14 | ソニー株式会社 | 画像処理装置および画像処理方法 |
US7096481B1 (en) | 2000-01-04 | 2006-08-22 | Emc Corporation | Preparation of metadata for splicing of encoded MPEG video and audio |
JP3496613B2 (ja) * | 2000-02-10 | 2004-02-16 | 日本電気株式会社 | デジタルコンテンツのコピー制御方法及び装置 |
CN1366778A (zh) * | 2000-04-27 | 2002-08-28 | 皇家菲利浦电子有限公司 | 视频压缩 |
US6847684B1 (en) * | 2000-06-01 | 2005-01-25 | Hewlett-Packard Development Company, L.P. | Zero-block encoding |
US6724817B1 (en) | 2000-06-05 | 2004-04-20 | Amphion Semiconductor Limited | Adaptive image data compression |
US6871006B1 (en) | 2000-06-30 | 2005-03-22 | Emc Corporation | Processing of MPEG encoded video for trick mode operation |
US6771703B1 (en) * | 2000-06-30 | 2004-08-03 | Emc Corporation | Efficient scaling of nonscalable MPEG-2 Video |
US7616690B2 (en) | 2000-10-31 | 2009-11-10 | Imec | Method and apparatus for adaptive encoding framed data sequences |
US7023924B1 (en) | 2000-12-28 | 2006-04-04 | Emc Corporation | Method of pausing an MPEG coded video stream |
US6937770B1 (en) | 2000-12-28 | 2005-08-30 | Emc Corporation | Adaptive bit rate control for rate reduction of MPEG coded video |
CA2345878A1 (en) * | 2001-05-01 | 2002-11-01 | Destiny Software Productions Inc. | Multi media distribution method and system |
US7123655B2 (en) * | 2001-08-09 | 2006-10-17 | Sharp Laboratories Of America, Inc. | Method for reduced bit-depth quantization |
US6980594B2 (en) | 2001-09-11 | 2005-12-27 | Emc Corporation | Generation of MPEG slow motion playout |
US6959116B2 (en) * | 2001-09-18 | 2005-10-25 | Emc Corporation | Largest magnitude indices selection for (run, level) encoding of a block coded picture |
US6968091B2 (en) * | 2001-09-18 | 2005-11-22 | Emc Corporation | Insertion of noise for reduction in the number of bits for variable-length coding of (run, level) pairs |
EP1879401A4 (en) * | 2005-05-03 | 2012-03-28 | Panasonic Corp | DYNAMIC BILDCODING METHOD, DYNAMIC IMAGE DECODING METHOD AND DEVICE THEREFOR |
US7822117B1 (en) * | 2005-09-30 | 2010-10-26 | Ambarella, Inc. | Video encoder rate control using bit usage measuring and allocating by macroblock classes |
JP5482178B2 (ja) * | 2009-12-16 | 2014-04-23 | ソニー株式会社 | 送信装置および方法、並びに、受信装置および方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5046121A (en) * | 1989-01-31 | 1991-09-03 | Konica Corporation | Image data compression apparatus |
EP0514663A3 (en) * | 1991-05-24 | 1993-07-14 | International Business Machines Corporation | An apparatus and method for motion video encoding employing an adaptive quantizer |
JPH05167998A (ja) * | 1991-12-16 | 1993-07-02 | Nippon Telegr & Teleph Corp <Ntt> | 画像の符号化制御処理方法 |
US5440344A (en) * | 1992-04-28 | 1995-08-08 | Mitsubishi Denki Kabushiki Kaisha | Video encoder using adjacent pixel difference for quantizer control |
JP3165296B2 (ja) * | 1992-12-25 | 2001-05-14 | 三菱電機株式会社 | フレーム間符号化処理方式及びフレーム間符号化処理方法及び符号化制御方式 |
US5515388A (en) * | 1993-03-19 | 1996-05-07 | Sony Corporation | Apparatus and method for preventing repetitive random errors in transform coefficients representing a motion picture signal |
KR960010196B1 (ko) * | 1993-06-04 | 1996-07-26 | 배순훈 | 인간의 시각특성을 이용한 디씨(dc) 변환계수 양자화기 |
US5426512A (en) * | 1994-01-25 | 1995-06-20 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Image data compression having minimum perceptual error |
-
1996
- 1996-04-30 KR KR1019960013773A patent/KR100203710B1/ko active IP Right Grant
- 1996-12-30 US US08/777,125 patent/US5892548A/en not_active Expired - Lifetime
-
1997
- 1997-01-06 GB GB9700110A patent/GB2316564B/en not_active Expired - Fee Related
- 1997-01-09 JP JP189997A patent/JPH09307904A/ja active Pending
- 1997-01-10 CN CN97100256A patent/CN1110962C/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100380980C (zh) * | 2002-04-23 | 2008-04-09 | 诺基亚有限公司 | 用于在视频编码系统中指示量化器参数的方法与设备 |
US8625917B2 (en) | 2006-03-16 | 2014-01-07 | Huawei Technologies Co., Ltd. | Method and apparatus for realizing adaptive quantization in process of image coding |
CN102611892B (zh) * | 2006-03-16 | 2014-10-08 | 华为技术有限公司 | 在编码过程中实现自适应量化的方法及装置 |
US9277215B2 (en) | 2006-03-16 | 2016-03-01 | Tsinghua University | Method and apparatus for realizing adaptive quantization in process of image coding |
Also Published As
Publication number | Publication date |
---|---|
CN1110962C (zh) | 2003-06-04 |
GB2316564A (en) | 1998-02-25 |
KR970073170A (ko) | 1997-11-07 |
GB9700110D0 (en) | 1997-02-26 |
KR100203710B1 (ko) | 1999-06-15 |
US5892548A (en) | 1999-04-06 |
GB2316564A8 (en) | 1998-03-18 |
JPH09307904A (ja) | 1997-11-28 |
GB2316564B (en) | 2000-03-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1110962C (zh) | 用于视频信号编码系统的自适应量化器 | |
CN1078428C (zh) | 图象编码方法及装置 | |
CN1123979C (zh) | 使用两个可变长度编码表的可变长度编码器 | |
US6697521B2 (en) | Method and system for achieving coding gains in wavelet-based image codecs | |
CN1726709B (zh) | 用于对未压缩数字视频序列的图像进行编码的方法和装置 | |
CN1209929C (zh) | 视频压缩的量化处理方法和装置 | |
EP1834487B1 (en) | Method for improved entropy coding | |
EP0827343A2 (en) | Video data compression apparatus and method | |
US20080298702A1 (en) | Fixed rate JPEG encoding | |
CN1592412A (zh) | 图象数据的自适应可变长度编码方法 | |
CN1301370A (zh) | 用于减少压缩的视频中的喘息污迹的方法和设备 | |
JP2003018599A (ja) | 画像符号化装置および方法 | |
CN1175853A (zh) | 利用量化活动度控制比特产生数量的图像编码方法和装置 | |
JPH08256335A (ja) | 量子化パラメータ決定装置及び方法 | |
CN1347621A (zh) | 减少“块状图像”效应 | |
CN1315109A (zh) | 用于改变像素值的图像处理电路及方法 | |
JPH09200758A (ja) | 画像符号化装置 | |
JPH07162863A (ja) | 適応量子化パラメータ制御装置 | |
US5822000A (en) | Video encoding using rearrangement of transform coefficients and inter-block correlation | |
CN1158050A (zh) | 图像数据压缩系统和方法 | |
US20210366157A1 (en) | Data compression device and compression method | |
US5724096A (en) | Video signal encoding method and apparatus employing inter-block redundancies | |
CN1166208C (zh) | 代码转换方法和设备 | |
US7606436B2 (en) | Image encoding apparatus and quantization control method | |
CN1219403C (zh) | 引入视觉模型的mpeg视频码流码率转换方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20030523 Patentee after: Daewoo Electronics Co., Ltd. Patentee before: Daewoo Electronics Co., Ltd. |
|
ASS | Succession or assignment of patent right |
Owner name: FENGYE VISION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: DAEWOO ELECTRONICS CO., LTD. Effective date: 20130417 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130417 Address after: Ontario Patentee after: Fengye Vision Technology Co., Ltd. Address before: Seoul, South Kerean Patentee before: Daewoo Electronics Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030604 Termination date: 20160110 |
|
EXPY | Termination of patent right or utility model |