HK1014324A1 - Image compression - Google Patents

Image compression

Info

Publication number
HK1014324A1
HK1014324A1 HK98115575A HK98115575A HK1014324A1 HK 1014324 A1 HK1014324 A1 HK 1014324A1 HK 98115575 A HK98115575 A HK 98115575A HK 98115575 A HK98115575 A HK 98115575A HK 1014324 A1 HK1014324 A1 HK 1014324A1
Authority
HK
Hong Kong
Prior art keywords
image compression
compression
image
Prior art date
Application number
HK98115575A
Other languages
English (en)
Inventor
Yong-Kyu Kim
Liu Tianmin
Christopher H Strolle
Steven Todd Jaffe
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of HK1014324A1 publication Critical patent/HK1014324A1/xx

Links

Classifications

    • 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
    • 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
    • H04N19/136—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
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at 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
    • H04N19/10—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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/169—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
    • H04N19/189—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
    • H04N19/196—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 being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/94—Vector 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H04N5/783—Adaptations for reproducing at a rate different from the recording rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Television Signal Processing For Recording (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
HK98115575A 1992-03-13 1998-12-24 Image compression HK1014324A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85101992A 1992-03-13 1992-03-13

Publications (1)

Publication Number Publication Date
HK1014324A1 true HK1014324A1 (en) 1999-09-24

Family

ID=25309742

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98115575A HK1014324A1 (en) 1992-03-13 1998-12-24 Image compression

Country Status (6)

Country Link
US (1) US5533138A (xx)
EP (1) EP0559982B1 (xx)
JP (1) JP3280717B2 (xx)
KR (1) KR0132894B1 (xx)
DE (1) DE69229260T2 (xx)
HK (1) HK1014324A1 (xx)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5726711A (en) * 1993-01-13 1998-03-10 Hitachi America, Ltd. Intra-coded video frame data processing methods and apparatus
US5436985A (en) * 1993-05-10 1995-07-25 Competitive Technologies, Inc. Apparatus and method for encoding and decoding images
US5719958A (en) * 1993-11-30 1998-02-17 Polaroid Corporation System and method for image edge detection using discrete cosine transforms
JP3013698B2 (ja) * 1994-04-20 2000-02-28 松下電器産業株式会社 ベクトル量子化符号化装置と復号化装置
FI98162C (fi) * 1994-05-30 1997-04-25 Tecnomen Oy HMM-malliin perustuva puheentunnistusmenetelmä
JP3046224B2 (ja) * 1994-07-26 2000-05-29 三星電子株式会社 固定ビット率の符号化方法および装置とこれを利用した高速探索のためのトラッキング方法
KR0181028B1 (ko) * 1995-03-20 1999-05-01 배순훈 분류 디바이스를 갖는 개선된 비디오 신호 부호화 시스템
US5742892A (en) 1995-04-18 1998-04-21 Sun Microsystems, Inc. Decoder for a software-implemented end-to-end scalable video delivery system
US5754742A (en) * 1995-05-12 1998-05-19 Intel Corporation Setting quantization level to match DCT coefficients
US5909513A (en) * 1995-11-09 1999-06-01 Utah State University Bit allocation for sequence image compression
US6094453A (en) 1996-10-11 2000-07-25 Digital Accelerator Corporation Digital data compression with quad-tree coding of header file
KR100438801B1 (ko) * 1996-10-30 2004-07-16 삼성전자주식회사 랜덤에러에견고한부호화및복호화장치
US5960120A (en) * 1997-01-30 1999-09-28 Samsung Electronics Co., Ltd. Apparatus for quantizing classified vectors of image signals using four-band linear phase para-unitary filter group
KR100265722B1 (ko) 1997-04-10 2000-09-15 백준기 블럭기반영상처리방법및장치
US5974182A (en) * 1997-04-24 1999-10-26 Eastman Kodak Company Photographic image compression method and system
AU728938B2 (en) * 1997-09-29 2001-01-18 Canon Kabushiki Kaisha A method for data compression
US6337882B1 (en) 1998-03-06 2002-01-08 Lucent Technologies Inc. Method and apparatus for generating unlimited selected image views from a larger image
US6246801B1 (en) * 1998-03-06 2001-06-12 Lucent Technologies Inc. Method and apparatus for generating selected image views from a larger image having dependent macroblocks
US6323910B1 (en) 1998-03-26 2001-11-27 Clark, Iii William T. Method and apparatus for producing high-fidelity images by synchronous phase coherent digital image acquisition
KR100281967B1 (ko) 1998-08-31 2001-02-15 전주범 공간 상관성을 이용한 영상 부호화 장치 및 그 방법
GB2353426A (en) * 1999-08-17 2001-02-21 British Broadcasting Corp Mutiple output variable bit rate encoding
JP2002142192A (ja) * 2000-11-01 2002-05-17 Sony Corp 信号処理装置および方法、ならびに、記録装置および方法
US7453936B2 (en) * 2001-11-09 2008-11-18 Sony Corporation Transmitting apparatus and method, receiving apparatus and method, program and recording medium, and transmitting/receiving system
KR100411348B1 (ko) * 2001-12-29 2003-12-18 엘지전자 주식회사 에지 검출 방법과 장치
US7650031B2 (en) * 2004-11-23 2010-01-19 Microsoft Corporation Method and system for detecting black frames in a sequence of frames
US7925080B2 (en) * 2006-01-13 2011-04-12 New Jersey Institute Of Technology Method for identifying marked images based at least in part on frequency domain coefficient differences
WO2007086833A2 (en) * 2006-01-13 2007-08-02 New Jersey Institute Of Technology Method for identifying marked images based at least in part on frequency domain coefficient differences
US8224017B2 (en) * 2006-01-13 2012-07-17 New Jersey Institute Of Technology Method for identifying marked content
US8270469B2 (en) * 2006-12-15 2012-09-18 Precoad Inc. Encoding video at multiple resolution levels
US8023747B2 (en) * 2007-02-09 2011-09-20 New Jersey Institute Of Technology Method and apparatus for a natural image model based approach to image/splicing/tampering detection
US8406296B2 (en) 2008-04-07 2013-03-26 Qualcomm Incorporated Video refresh adaptation algorithms responsive to error feedback
US20090320081A1 (en) * 2008-06-24 2009-12-24 Chui Charles K Providing and Displaying Video at Multiple Resolution and Quality Levels
US8238419B2 (en) * 2008-06-24 2012-08-07 Precoad Inc. Displaying video at multiple resolution levels
US8385670B2 (en) 2008-08-20 2013-02-26 Microsoft Corporation Image restoration by vector quantization utilizing visual patterns
JP5482655B2 (ja) * 2008-09-01 2014-05-07 日本電気株式会社 画像同一性尺度算出システム
WO2010023809A1 (ja) * 2008-09-01 2010-03-04 日本電気株式会社 画像特徴量抽出装置
US20100098156A1 (en) 2008-10-16 2010-04-22 Qualcomm Incorporated Weighted prediction based on vectorized entropy coding
KR101512643B1 (ko) * 2008-10-22 2015-04-16 에스케이 텔레콤주식회사 동영상 부호화 장치 및 이를 위한 영상 신호의 2차원 정렬 변환 장치 및 방법, 및 이를 위한 기록 매체
US8411751B2 (en) * 2009-12-15 2013-04-02 Nvidia Corporation Reducing and correcting motion estimation artifacts during video frame rate conversion
CN111651203B (zh) * 2016-04-26 2024-05-07 中科寒武纪科技股份有限公司 一种用于执行向量四则运算的装置和方法
US9712830B1 (en) 2016-09-15 2017-07-18 Dropbox, Inc. Techniques for image recompression

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2608864B1 (fr) * 1986-12-17 1991-10-31 France Etat Procedes de codage et de transmission d'un signal numerique, par rafraichissement temporel selectif d'un quantificateur vectoriel
JP2828997B2 (ja) * 1988-07-22 1998-11-25 株式会社日立製作所 適応型変換符号化装置
US5051840A (en) * 1988-12-14 1991-09-24 Fuji Photo Film Co., Ltd. Device for coding a picture signal by compression
KR930004311B1 (ko) * 1989-04-18 1993-05-22 미쯔비시덴끼 가부시끼가이샤 동화상 부호화 복호화장치
US5121216A (en) * 1989-07-19 1992-06-09 Bell Communications Research Adaptive transform coding of still images
US5122875A (en) * 1991-02-27 1992-06-16 General Electric Company An HDTV compression system

Also Published As

Publication number Publication date
US5533138A (en) 1996-07-02
EP0559982A3 (en) 1994-09-14
JP3280717B2 (ja) 2002-05-13
KR0132894B1 (ko) 1998-10-01
JPH05292462A (ja) 1993-11-05
DE69229260T2 (de) 1999-12-09
DE69229260D1 (de) 1999-07-01
KR930020860A (ko) 1993-10-20
EP0559982A2 (en) 1993-09-15
EP0559982B1 (en) 1999-05-26

Similar Documents

Publication Publication Date Title
HK1014324A1 (en) Image compression
GB2267624B (en) Image data compression
IL98332A0 (en) Image compression system
SG46207A1 (en) Dropped-form document image compression
GB2281465B (en) Image data compression
EP0561593A3 (en) Image compression apparatus
GB9312039D0 (en) Video image
GB2283703B (en) Image formation
EP0568305A3 (en) Data compression
AU1996292A (en) Continuous-tone image compression
EP0537932A3 (en) Image compression
GB2270811B (en) Video data compression
GB2274956B (en) Image data compression
GB9200584D0 (en) Image frame
GB9004978D0 (en) Image compression
GB2274038B (en) Data compression
EP0755025A3 (en) Moving image signal compression
GB2266635B (en) Image data compression
GB2269510B (en) Video cameras
GB9323817D0 (en) Image reconstruction
EP0586914A3 (en) Image compression method
GB9326582D0 (en) Image coding
AU8091491A (en) Improved image compression system
GB2272817B (en) Facsimile
GB9306776D0 (en) Fingerpring imaging

Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20090930