ATE342635T1 - Verfahren und vorrichtung zur optimierung der bildschärfe während der kodierung - Google Patents

Verfahren und vorrichtung zur optimierung der bildschärfe während der kodierung

Info

Publication number
ATE342635T1
ATE342635T1 AT03732863T AT03732863T ATE342635T1 AT E342635 T1 ATE342635 T1 AT E342635T1 AT 03732863 T AT03732863 T AT 03732863T AT 03732863 T AT03732863 T AT 03732863T AT E342635 T1 ATE342635 T1 AT E342635T1
Authority
AT
Austria
Prior art keywords
image sharpness
during coding
optimizing image
sharpness during
quantization
Prior art date
Application number
AT03732863T
Other languages
English (en)
Inventor
Jorge Caviedes
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE342635T1 publication Critical patent/ATE342635T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/154Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • H04N19/126Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/172Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding

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)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Facsimile Heads (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Facsimiles In General (AREA)
AT03732863T 2002-06-14 2003-06-04 Verfahren und vorrichtung zur optimierung der bildschärfe während der kodierung ATE342635T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/172,416 US7054497B2 (en) 2002-06-14 2002-06-14 Method and system for optimizing image sharpness during coding and image enhancement

Publications (1)

Publication Number Publication Date
ATE342635T1 true ATE342635T1 (de) 2006-11-15

Family

ID=29733053

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03732863T ATE342635T1 (de) 2002-06-14 2003-06-04 Verfahren und vorrichtung zur optimierung der bildschärfe während der kodierung

Country Status (9)

Country Link
US (1) US7054497B2 (de)
EP (1) EP1516493B1 (de)
JP (1) JP2005530423A (de)
KR (1) KR20050012782A (de)
CN (1) CN1659890A (de)
AT (1) ATE342635T1 (de)
AU (1) AU2003239286A1 (de)
DE (1) DE60309039T2 (de)
WO (1) WO2003107682A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7769084B1 (en) * 2002-07-15 2010-08-03 Apple Inc. Method for implementing a quantizer in a multimedia compression and encoding system
KR100813258B1 (ko) 2005-07-12 2008-03-13 삼성전자주식회사 화상 데이터 부호화 및 복호화 장치 및 방법
US20080285645A1 (en) * 2007-05-17 2008-11-20 Tandberg Television Asa Adaptive border processing
US8023562B2 (en) 2007-09-07 2011-09-20 Vanguard Software Solutions, Inc. Real-time video coding/decoding
US8238423B2 (en) * 2007-09-12 2012-08-07 Sony Corporation Image processing apparatus and method
JP5212372B2 (ja) * 2007-09-12 2013-06-19 ソニー株式会社 画像処理装置及び画像処理方法
US8363969B1 (en) * 2008-08-01 2013-01-29 Marvell International Ltd. Systems and methods for image coding and processing
US9473792B2 (en) 2009-11-06 2016-10-18 Texas Instruments Incorporated Method and system to improve the performance of a video encoder
WO2011100347A2 (en) * 2010-02-09 2011-08-18 Vanguard Software Solutions, Inc. Video sequence encoding system and algorithms
US8693551B2 (en) 2011-11-16 2014-04-08 Vanguard Software Solutions, Inc. Optimal angular intra prediction for block-based video coding
KR101279705B1 (ko) * 2011-12-22 2013-06-27 연세대학교 산학협력단 영상 프레임 내의 블러 측정 방법과 이를 이용하여 영상 프레임의 화질 측정 장치 및 방법
KR101367777B1 (ko) * 2012-08-22 2014-03-06 주식회사 핀그램 적응 이미지 압축시스템 및 그 방법
US9106922B2 (en) 2012-12-19 2015-08-11 Vanguard Software Solutions, Inc. Motion estimation engine for video encoding
US10007644B2 (en) * 2014-06-17 2018-06-26 Sap Se Data analytic consistency of visual discoveries in sample datasets
JP6417815B2 (ja) * 2014-09-19 2018-11-07 富士ゼロックス株式会社 情報処理装置及び情報処理プログラム
US10417766B2 (en) * 2014-11-13 2019-09-17 Samsung Electronics Co., Ltd. Method and device for generating metadata including frequency characteristic information of image
CN108629744B (zh) * 2018-04-09 2021-07-30 北京无线电计量测试研究所 一种图像增强方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62222783A (ja) * 1986-03-24 1987-09-30 Kokusai Denshin Denwa Co Ltd <Kdd> 動画像の高能率符号化方式
DE69225365T2 (de) * 1991-08-30 1998-11-19 Fuji Xerox Co Ltd Bildsignalkodierungsvorrichtung
US6539122B1 (en) * 1997-04-04 2003-03-25 General Dynamics Decision Systems, Inc. Adaptive wavelet coding of hyperspectral imagery
JP3720577B2 (ja) 1997-04-18 2005-11-30 株式会社リコー 画像形成装置
AU762996B2 (en) * 1999-02-09 2003-07-10 Motorola Australia Pty Ltd An image compression system and method of determining quantisation parameters therefor
US6535647B1 (en) * 1999-03-25 2003-03-18 General Dynamics Decision Systems, Inc. Image encoder method
JP2003517785A (ja) 1999-12-17 2003-05-27 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 信号ピーキング
US6870962B2 (en) * 2001-04-30 2005-03-22 The Salk Institute For Biological Studies Method and apparatus for efficiently encoding chromatic images using non-orthogonal basis functions

Also Published As

Publication number Publication date
EP1516493B1 (de) 2006-10-11
DE60309039D1 (de) 2006-11-23
DE60309039T2 (de) 2007-05-03
US7054497B2 (en) 2006-05-30
CN1659890A (zh) 2005-08-24
AU2003239286A1 (en) 2003-12-31
WO2003107682A1 (en) 2003-12-24
KR20050012782A (ko) 2005-02-02
US20030231796A1 (en) 2003-12-18
JP2005530423A (ja) 2005-10-06
EP1516493A1 (de) 2005-03-23

Similar Documents

Publication Publication Date Title
ATE342635T1 (de) Verfahren und vorrichtung zur optimierung der bildschärfe während der kodierung
MX2024007991A (es) Metodo y aparato para codificar/decodificar imagenes usando parametros de cuantificacion, y medio de grabacion que almacena flujo de bits.
DE60144513D1 (de) Verfahren zur bildkodierung und bildkoder
ATE420534T1 (de) Verfahren zur filterung von digitalen bildern und filtergerät
TW200620853A (en) Multi-pass video encoding
MXPA03006640A (es) Metodo para la remocion de la distorsion de la codificacion, metodo codificador de video, metodo descodificador de video y aparato y programa para los mismos.
RU2015147182A (ru) Способ и устройство для определения значения параметра квантования
WO2003026314A1 (en) Image coding method and image decoding method
MX2025000118A (es) Metodo y aparato de codificacion/decodificacion de imagen, y metodo para transmitir un flujo de bits
MX2025004535A (es) Metodo y aparato para la se?alizacion de parametros de cuantizacion de crominancia
TW200704203A (en) Method and apparatus for operational frame-layer rate control in video encoder
DE602004024863D1 (de) Verfahren und Vorrichtung zur Verbesserung der Bildwiederholfrequenz in einem komprimierten Video
MX2025008872A (es) Metodo y aparato de codificacion/decodificacion de video para realizar pdpc y metodo para transmitir flujo de bits
MX2025001284A (es) Metodo de codificacion, metodo de decodificacion, codificador, decodificador y medio legible por computadora no transitorio
WO2021092412A3 (en) Fast multi-rate encoding for adaptive http streaming
TW200511831A (en) Device and method for compressing digital images
JP2007134880A5 (de)
CN101389012B (zh) 一种率失真码率控制的方法和装置
MY151963A (en) Data processing apparatus, the method and coding apparatus
TW200627964A (en) Video encoder and method for detecting and encoding noise
EP4283990A3 (de) Luma-intramodussignalisierung
EP3977744A4 (de) Verfahren und vorrichtung zur verlustfreien standbild- und videocodierung
ATE436135T1 (de) Verfahren zur verbesserten behandlung von dynamischen bandbreitenveränderungen in einem transportnetz mit inversem multiplexen
GB2621912B (en) Method for image encoding
GB2621916B (en) Method for image encoding

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties