SG89301A1 - Transform-domain correction of real-domain errors - Google Patents

Transform-domain correction of real-domain errors

Info

Publication number
SG89301A1
SG89301A1 SG9905411A SG1999005411A SG89301A1 SG 89301 A1 SG89301 A1 SG 89301A1 SG 9905411 A SG9905411 A SG 9905411A SG 1999005411 A SG1999005411 A SG 1999005411A SG 89301 A1 SG89301 A1 SG 89301A1
Authority
SG
Singapore
Prior art keywords
domain
transform
real
errors
correction
Prior art date
Application number
SG9905411A
Other languages
English (en)
Inventor
Laverne Mitchell Joan
James Bright Martin
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of SG89301A1 publication Critical patent/SG89301A1/en

Links

Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Data Mining & Analysis (AREA)
  • Computational Mathematics (AREA)
  • Multimedia (AREA)
  • Algebra (AREA)
  • Discrete Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & 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)
SG9905411A 1998-11-04 1999-11-01 Transform-domain correction of real-domain errors SG89301A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/186,245 US6256422B1 (en) 1998-11-04 1998-11-04 Transform-domain correction of real-domain errors

Publications (1)

Publication Number Publication Date
SG89301A1 true SG89301A1 (en) 2002-06-18

Family

ID=22684194

Family Applications (1)

Application Number Title Priority Date Filing Date
SG9905411A SG89301A1 (en) 1998-11-04 1999-11-01 Transform-domain correction of real-domain errors

Country Status (6)

Country Link
US (1) US6256422B1 (ja)
JP (1) JP3320389B2 (ja)
KR (1) KR100351654B1 (ja)
CN (1) CN1159660C (ja)
MY (1) MY117744A (ja)
SG (1) SG89301A1 (ja)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7194138B1 (en) * 1998-11-04 2007-03-20 International Business Machines Corporation Reduced-error processing of transformed digital data
US6370502B1 (en) * 1999-05-27 2002-04-09 America Online, Inc. Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec
US6671414B1 (en) * 2000-03-13 2003-12-30 International Business Machines Corporation Shift and/or merge of transformed data along one axis
US6678423B1 (en) * 2000-03-13 2004-01-13 International Business Machines Corporation Shift and/or merge of transformed data along two axes
US6873735B1 (en) 2001-02-05 2005-03-29 Ati Technologies, Inc. System for improved efficiency in motion compensated video processing and method thereof
US7885336B2 (en) * 2001-02-05 2011-02-08 Ati Technologies Ulc Programmable shader-based motion compensation apparatus and method
US8374237B2 (en) * 2001-03-02 2013-02-12 Dolby Laboratories Licensing Corporation High precision encoding and decoding of video images
US7602851B2 (en) * 2003-07-18 2009-10-13 Microsoft Corporation Intelligent differential quantization of video coding
US10554985B2 (en) 2003-07-18 2020-02-04 Microsoft Technology Licensing, Llc DC coefficient signaling at small quantization step sizes
US7738554B2 (en) 2003-07-18 2010-06-15 Microsoft Corporation DC coefficient signaling at small quantization step sizes
US8218624B2 (en) * 2003-07-18 2012-07-10 Microsoft Corporation Fractional quantization step sizes for high bit rates
US7580584B2 (en) * 2003-07-18 2009-08-25 Microsoft Corporation Adaptive multiple quantization
US7889792B2 (en) 2003-12-24 2011-02-15 Apple Inc. Method and system for video encoding using a variable number of B frames
US7869503B2 (en) * 2004-02-06 2011-01-11 Apple Inc. Rate and quality controller for H.264/AVC video coder and scene analyzer therefor
US7986731B2 (en) * 2004-02-06 2011-07-26 Apple Inc. H.264/AVC coder incorporating rate and quality controller
US7492820B2 (en) * 2004-02-06 2009-02-17 Apple Inc. Rate control for video coder employing adaptive linear regression bits modeling
US7801383B2 (en) * 2004-05-15 2010-09-21 Microsoft Corporation Embedded scalar quantizers with arbitrary dead-zone ratios
JP4378245B2 (ja) * 2004-08-23 2009-12-02 キヤノン株式会社 データ変換装置及び方法
US8422546B2 (en) 2005-05-25 2013-04-16 Microsoft Corporation Adaptive video encoding using a perceptual model
US8503536B2 (en) 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
US8059721B2 (en) * 2006-04-07 2011-11-15 Microsoft Corporation Estimating sample-domain distortion in the transform domain with rounding compensation
US7995649B2 (en) 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
US8130828B2 (en) 2006-04-07 2012-03-06 Microsoft Corporation Adjusting quantization to preserve non-zero AC coefficients
US7974340B2 (en) 2006-04-07 2011-07-05 Microsoft Corporation Adaptive B-picture quantization control
US8711925B2 (en) 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization
US8238424B2 (en) 2007-02-09 2012-08-07 Microsoft Corporation Complexity-based adaptive preprocessing for multiple-pass video compression
US8498335B2 (en) 2007-03-26 2013-07-30 Microsoft Corporation Adaptive deadzone size adjustment in quantization
US8243797B2 (en) 2007-03-30 2012-08-14 Microsoft Corporation Regions of interest for quality adjustments
US8442337B2 (en) 2007-04-18 2013-05-14 Microsoft Corporation Encoding adjustments for animation content
US8331438B2 (en) 2007-06-05 2012-12-11 Microsoft Corporation Adaptive selection of picture-level quantization parameters for predicted video pictures
US8189933B2 (en) 2008-03-31 2012-05-29 Microsoft Corporation Classifying and controlling encoding quality for textured, dark smooth and smooth video content
US8897359B2 (en) 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
US8390895B2 (en) * 2008-11-14 2013-03-05 Ricoh Production Print Solutions LLC Color conversions in the real domain
WO2013069958A1 (ko) * 2011-11-07 2013-05-16 삼성전자 주식회사 비디오 복호화 과정에서 역양자화 및 역변환의 데이터를 클리핑하는 역변환 방법 및 그 장치
KR101703330B1 (ko) * 2014-10-06 2017-02-06 삼성전자 주식회사 이미지 재부호화 방법 및 그 장치

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5675666A (en) * 1995-03-02 1997-10-07 Sony Corportion Image data compression method and apparatus with pre-processing to compensate for the blocky effect
GB2318472A (en) * 1996-10-09 1998-04-22 Sony Uk Ltd Generating inter-frame encoded video signals

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW224553B (en) * 1993-03-01 1994-06-01 Sony Co Ltd Method and apparatus for inverse discrete consine transform and coding/decoding of moving picture
JPH08508378A (ja) * 1993-03-26 1996-09-03 ブリテイッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー トランスコーダ
NL9301358A (nl) * 1993-08-04 1995-03-01 Nederland Ptt Transcodeerinrichting.
DE69535800D1 (de) * 1994-06-08 2008-09-11 Matsushita Electric Ind Co Ltd Bildumsetzungsvorrichtung
US5731837A (en) * 1996-01-25 1998-03-24 Thomson Multimedia, S.A. Quantization circuitry as for video signal compression systems

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5675666A (en) * 1995-03-02 1997-10-07 Sony Corportion Image data compression method and apparatus with pre-processing to compensate for the blocky effect
GB2318472A (en) * 1996-10-09 1998-04-22 Sony Uk Ltd Generating inter-frame encoded video signals

Also Published As

Publication number Publication date
CN1159660C (zh) 2004-07-28
CN1253338A (zh) 2000-05-17
US6256422B1 (en) 2001-07-03
KR20000034992A (ko) 2000-06-26
KR100351654B1 (ko) 2002-09-10
JP2000151416A (ja) 2000-05-30
MY117744A (en) 2004-07-31
JP3320389B2 (ja) 2002-09-03

Similar Documents

Publication Publication Date Title
SG89301A1 (en) Transform-domain correction of real-domain errors
AU5720500A (en) Correction of static errors in an a/d-converter
AU1454900A (en) Pedometer
IL132226A0 (en) Improved catheter calibration
GB2357293B (en) Photosensitive resin composition
AU5218199A (en) Adjustable orthotic
AU3052899A (en) Determination of apnea type
AU6275399A (en) Perilaryngeal oral airway
AU2003200798A1 (en) Reduced Byproduct Polyamine-epihalohydrin Resins
AU4939400A (en) Meter
EP1087260A4 (en) PHOTOSENSITIVE RESIN COMPOSITION
AU5675599A (en) Prosthetic foot
AU1716801A (en) Self curing cements
GB0120459D0 (en) Concealing errors
AUPP593798A0 (en) Adjustable splint
AU4388599A (en) Foot paddle
AU4698799A (en) Flowmeter
AU2110299A (en) Linear developer
AU3739499A (en) Electronic spirit level for measurement of inclination
AU4916800A (en) Photosensitive composition
AU1659199A (en) Walking aid
AU8386098A (en) Orthopedic supports
AU5179399A (en) Walking aid
AU6404499A (en) Ankle brace
PL355602A1 (en) Preparation of data for a reed-solomon decoder