TW256010B - - Google Patents
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- Publication number
- TW256010B TW256010B TW081102117A TW81102117A TW256010B TW 256010 B TW256010 B TW 256010B TW 081102117 A TW081102117 A TW 081102117A TW 81102117 A TW81102117 A TW 81102117A TW 256010 B TW256010 B TW 256010B
- Authority
- TW
- Taiwan
- Prior art keywords
- quantization
- data
- factor
- value
- data signal
- Prior art date
Links
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/41—Bandwidth or redundancy reduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
- H04N5/9261—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction
- H04N5/9264—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction using transform coding
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- 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
- H04N19/134—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
- H04N19/134—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
- H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
-
- 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
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
-
- 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
- H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
-
- 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
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
-
- 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
- H04N19/134—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Image Processing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US68892391A | 1991-04-18 | 1991-04-18 | |
| US73155791A | 1991-07-17 | 1991-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW256010B true TW256010B (en, 2012) | 1995-09-01 |
Family
ID=27104310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW081102117A TW256010B (en, 2012) | 1991-04-18 | 1992-03-20 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5930398A (en, 2012) |
| JP (1) | JPH05153406A (en, 2012) |
| KR (2) | KR100252594B1 (en, 2012) |
| CA (1) | CA2063972A1 (en, 2012) |
| MX (1) | MX9201788A (en, 2012) |
| TW (1) | TW256010B (en, 2012) |
Families Citing this family (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100355375B1 (ko) * | 1995-11-01 | 2002-12-26 | 삼성전자 주식회사 | 영상부호화장치에있어서양자화간격결정방법및회로 |
| DE69841007D1 (de) * | 1997-02-08 | 2009-09-03 | Panasonic Corp | Quantizierungsmatrix für Stand- und Bewegtbildkodierung |
| JP4240554B2 (ja) * | 1997-07-11 | 2009-03-18 | ソニー株式会社 | 画像符号化装置および画像符号化方法、並びに画像復号化装置および画像復号化方法 |
| GB2333657B (en) | 1998-01-22 | 2002-08-21 | Snell & Wilcox Ltd | Video signal compression |
| GB2333656B (en) * | 1998-01-22 | 2002-08-14 | British Broadcasting Corp | Compressed signals |
| US6101278A (en) * | 1998-01-30 | 2000-08-08 | Philips Electronics North America Corp. | System for extracting coding parameters from video data |
| KR100293523B1 (ko) * | 1998-02-25 | 2001-09-17 | 구본준, 론 위라하디락사 | 액정표시장치 |
| GB2335104B (en) | 1998-03-06 | 2002-01-30 | British Broadcasting Corp | Cascading of up conversion and down conversion |
| GB2335815B (en) * | 1998-03-25 | 2002-02-27 | Sony Uk Ltd | Data compression |
| GB2337389B (en) | 1998-05-15 | 2002-05-29 | Snell & Wilcox Ltd | Video signal processing |
| KR100327368B1 (ko) * | 1998-07-10 | 2002-03-06 | 구자홍 | 영상 부호화 및 복호화 방법 |
| US7142235B2 (en) * | 1998-07-30 | 2006-11-28 | Hewlett-Packard Development Company, L.P. | Opportunistic improvement of digital camera image quality |
| WO2000021298A1 (en) * | 1998-10-06 | 2000-04-13 | Sony Corporation | Encoding device and method, decoding device and method, and recording medium |
| GB9822092D0 (en) * | 1998-10-09 | 1998-12-02 | Snell & Wilcox Ltd | Analysis of compression decoded sequences |
| GB9822094D0 (en) | 1998-10-09 | 1998-12-02 | Snell & Wilcox Ltd | Improvements in data compression |
| GB9822087D0 (en) * | 1998-10-09 | 1998-12-02 | Snell & Wilcox Ltd | Improvements in data compression |
| JP2000125136A (ja) * | 1998-10-19 | 2000-04-28 | Internatl Business Mach Corp <Ibm> | 画像データ圧縮装置およびその方法 |
| GB9824061D0 (en) | 1998-11-03 | 1998-12-30 | Snell & Wilcox Ltd | Film sequence detection (nt4) |
| US6700623B1 (en) | 1998-12-10 | 2004-03-02 | Snell & Wilcox Limited | Video signal processing using triplets of pixels |
| US7187805B1 (en) * | 1999-11-23 | 2007-03-06 | Xerox Corporation | Maximum likelihood estimation of JPEG quantization values |
| US6810082B1 (en) * | 1999-12-17 | 2004-10-26 | Koninklijke Philips Electronics N.V. | Chroma based adaptive signal peaking |
| GB2361126B (en) * | 2000-04-05 | 2004-04-21 | Snell & Wilcox Ltd | Spatial video processing |
| US7239708B2 (en) * | 2001-06-27 | 2007-07-03 | Microsoft Corporation | Protecting decrypted compressed content and decrypted decompressed content at a digital rights management client |
| EP1554870A1 (en) * | 2002-08-29 | 2005-07-20 | Opentv, Inc. | A method and apparatus for selecting compression for an incoming video signal in an interactive television system |
| US7130474B2 (en) * | 2002-09-27 | 2006-10-31 | Eastman Kodak Company | Method and system for generating digital image files for a limited display |
| TWI220246B (en) * | 2003-05-23 | 2004-08-11 | Mediatek Inc | Method for generating an initial screen of an image display system |
| US20050052468A1 (en) * | 2003-09-05 | 2005-03-10 | Xerox Corporation. | Method of detecting half-toned uniform areas in bit-map |
| JP4273996B2 (ja) * | 2004-02-23 | 2009-06-03 | ソニー株式会社 | 画像符号化装置及び方法、並びに画像復号装置及び方法 |
| US7609904B2 (en) * | 2005-01-12 | 2009-10-27 | Nec Laboratories America, Inc. | Transform coding system and method |
| JP2006287634A (ja) * | 2005-03-31 | 2006-10-19 | Pioneer Electronic Corp | 信号処理装置、信号処理方法およびノイズ低減装置 |
| US7506071B2 (en) * | 2005-07-19 | 2009-03-17 | International Business Machines Corporation | Methods for managing an interactive streaming image system |
| US7616821B2 (en) * | 2005-07-19 | 2009-11-10 | International Business Machines Corporation | Methods for transitioning compression levels in a streaming image system |
| US20070028286A1 (en) | 2005-07-28 | 2007-02-01 | Greene David P | Systems, methods, and media for detecting content change in a streaming image system |
| GB2432069A (en) * | 2005-11-03 | 2007-05-09 | Tandberg Television Asa | Reducing block noise by applying a dither signal in areas of low spatial detail |
| KR101261676B1 (ko) * | 2006-12-11 | 2013-05-06 | 톰슨 라이센싱 | 이미지를 인코딩하는 방법 및 그 방법을 구현하는 장치 |
| US8150187B1 (en) | 2007-11-29 | 2012-04-03 | Lsi Corporation | Baseband signal quantizer estimation |
| JP5263681B2 (ja) | 2009-07-15 | 2013-08-14 | 富士ゼロックス株式会社 | 画像符号化装置およびそのプログラム |
| US8396119B1 (en) * | 2009-09-30 | 2013-03-12 | Ambarella, Inc. | Data sample compression and decompression using randomized quantization bins |
| US20110310961A1 (en) * | 2010-06-17 | 2011-12-22 | Microsoft Corporation | Video rate control based on transform-coefficients histogram |
| US9602841B2 (en) * | 2012-10-30 | 2017-03-21 | Texas Instruments Incorporated | System and method for decoding scalable video coding |
| CN103077723B (zh) * | 2013-01-04 | 2015-07-08 | 鸿富锦精密工业（深圳）有限公司 | 音频传输系统 |
| CN116320426A (zh) * | 2022-09-08 | 2023-06-23 | 瑞芯微电子股份有限公司 | 用于输出图像数据的装置和方法、存储介质及电子设备 |
| CN116760988B (zh) * | 2023-08-18 | 2023-11-10 | 瀚博半导体(上海)有限公司 | 基于人类视觉系统的视频编码方法和装置 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4831636A (en) * | 1985-06-28 | 1989-05-16 | Fujitsu Limited | Coding transmission equipment for carrying out coding with adaptive quantization |
| JP2670259B2 (ja) * | 1985-11-29 | 1997-10-29 | ソニー株式会社 | 高能率符号化装置 |
| IT1190565B (it) * | 1986-04-07 | 1988-02-16 | Cselt Centro Studi Lab Telecom | Procedimento e dispositivo di codifica di segnali numerizati mediante quantizzazione vettoriale |
| US5072290A (en) * | 1986-09-19 | 1991-12-10 | Canon Kabushiki Kaisha | Color image signal encoding device |
| US4920426A (en) * | 1986-11-10 | 1990-04-24 | Kokusai Denshin Denwa Co., Ltd. | Image coding system coding digital image signals by forming a histogram of a coefficient signal sequence to estimate an amount of information |
| US5073821A (en) * | 1989-01-30 | 1991-12-17 | Matsushita Electric Industrial Co., Ltd. | Orthogonal transform coding apparatus for reducing the amount of coded signals to be processed and transmitted |
| JP2520306B2 (ja) * | 1989-05-24 | 1996-07-31 | 三菱電機株式会社 | 変換符号化装置 |
| US5065229A (en) * | 1989-07-24 | 1991-11-12 | Eastman Kodak Company | Compression method and apparatus for single-sensor color imaging systems |
| US5142380A (en) * | 1989-10-23 | 1992-08-25 | Ricoh Company, Ltd. | Image data processing apparatus |
| JP2969782B2 (ja) * | 1990-05-09 | 1999-11-02 | ソニー株式会社 | 符号化データ編集方法及び符号化データ編集装置 |
| US5146324A (en) * | 1990-07-31 | 1992-09-08 | Ampex Corporation | Data compression using a feedforward quantization estimator |
| US5150208A (en) * | 1990-10-19 | 1992-09-22 | Matsushita Electric Industrial Co., Ltd. | Encoding apparatus |
| TW223690B (en, 2012) * | 1991-02-13 | 1994-05-11 | Ampex | |
| EP0514663A3 (en) * | 1991-05-24 | 1993-07-14 | International Business Machines Corporation | An apparatus and method for motion video encoding employing an adaptive quantizer |
-
1992
- 1992-03-20 TW TW081102117A patent/TW256010B/zh active
- 1992-03-25 CA CA002063972A patent/CA2063972A1/en not_active Abandoned
- 1992-04-15 MX MX9201788A patent/MX9201788A/es unknown
- 1992-04-17 KR KR1019920006478A patent/KR100252594B1/ko not_active Expired - Fee Related
- 1992-04-17 JP JP4098250A patent/JPH05153406A/ja active Pending
- 1992-04-17 KR KR1019920006478A patent/KR920020959A/ko active Granted
-
1996
- 1996-12-30 US US08/777,058 patent/US5930398A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US5930398A (en) | 1999-07-27 |
| CA2063972A1 (en) | 1992-10-19 |
| KR920020959A (ko) | 1992-11-21 |
| KR100252594B1 (ko) | 2000-04-15 |
| MX9201788A (es) | 1993-02-01 |
| JPH05153406A (ja) | 1993-06-18 |
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