FI973042A - Kuvan kompressionti - Google Patents

Kuvan kompressionti Download PDF

Info

Publication number
FI973042A
FI973042A FI973042A FI973042A FI973042A FI 973042 A FI973042 A FI 973042A FI 973042 A FI973042 A FI 973042A FI 973042 A FI973042 A FI 973042A FI 973042 A FI973042 A FI 973042A
Authority
FI
Finland
Prior art keywords
call
image compressor
compressor
image
compressor call
Prior art date
Application number
FI973042A
Other languages
English (en)
Swedish (sv)
Other versions
FI973042A0 (fi
FI107496B (fi
Inventor
Qin Liu
Original Assignee
Nokia Mobile Phones 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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI973042A priority Critical patent/FI107496B/fi
Publication of FI973042A0 publication Critical patent/FI973042A0/fi
Priority to DE69811669T priority patent/DE69811669T2/de
Priority to PCT/FI1998/000512 priority patent/WO1999004553A2/en
Priority to AU77699/98A priority patent/AU7769998A/en
Priority to EP98925676A priority patent/EP0997034B1/en
Priority to US09/116,563 priority patent/US6118903A/en
Publication of FI973042A publication Critical patent/FI973042A/fi
Application granted granted Critical
Publication of FI107496B publication Critical patent/FI107496B/fi

Links

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
    • H04N19/102—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
    • H04N19/60—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
    • H04N19/10—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
FI973042A 1997-07-18 1997-07-18 Kuvan kompressointi FI107496B (fi)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI973042A FI107496B (fi) 1997-07-18 1997-07-18 Kuvan kompressointi
DE69811669T DE69811669T2 (de) 1997-07-18 1998-06-12 Bildkompression
PCT/FI1998/000512 WO1999004553A2 (en) 1997-07-18 1998-06-12 Image compression
AU77699/98A AU7769998A (en) 1997-07-18 1998-06-12 Image compression
EP98925676A EP0997034B1 (en) 1997-07-18 1998-06-12 Image compression
US09/116,563 US6118903A (en) 1997-07-18 1998-07-15 Image compression method and apparatus which satisfies a predefined bit budget

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI973042A FI107496B (fi) 1997-07-18 1997-07-18 Kuvan kompressointi
FI973042 1997-07-18

Publications (3)

Publication Number Publication Date
FI973042A0 FI973042A0 (fi) 1997-07-18
FI973042A true FI973042A (fi) 1999-01-19
FI107496B FI107496B (fi) 2001-08-15

Family

ID=8549275

Family Applications (1)

Application Number Title Priority Date Filing Date
FI973042A FI107496B (fi) 1997-07-18 1997-07-18 Kuvan kompressointi

Country Status (6)

Country Link
US (1) US6118903A (fi)
EP (1) EP0997034B1 (fi)
AU (1) AU7769998A (fi)
DE (1) DE69811669T2 (fi)
FI (1) FI107496B (fi)
WO (1) WO1999004553A2 (fi)

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US7383261B2 (en) * 2004-01-16 2008-06-03 Xerox Corporation Reference database and method for determining spectra using measurements from an LED color sensor, and method of generating a reference database
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US7801383B2 (en) 2004-05-15 2010-09-21 Microsoft Corporation Embedded scalar quantizers with arbitrary dead-zone ratios
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US7471385B2 (en) * 2005-01-13 2008-12-30 Xerox Corporation Systems and methods for selecting a reference database for determining a spectrum of an object based on fluorescence of the object
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US8149909B1 (en) 2005-10-13 2012-04-03 Maxim Integrated Products, Inc. Video encoding control using non-exclusive content categories
US8081682B1 (en) 2005-10-13 2011-12-20 Maxim Integrated Products, Inc. Video encoding mode decisions according to content categories
US8126283B1 (en) 2005-10-13 2012-02-28 Maxim Integrated Products, Inc. Video encoding statistics extraction using non-exclusive content categories
US8059721B2 (en) 2006-04-07 2011-11-15 Microsoft Corporation Estimating sample-domain distortion in the transform domain with rounding compensation
US8503536B2 (en) 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
US8130828B2 (en) 2006-04-07 2012-03-06 Microsoft Corporation Adjusting quantization to preserve non-zero AC coefficients
US7995649B2 (en) 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
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
US7747093B2 (en) * 2006-12-07 2010-06-29 Adobe Systems Incorporated Method and apparatus for predicting the size of a compressed signal
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
CN101106715B (zh) * 2007-07-26 2012-08-29 昊迪移通(北京)技术有限公司 一种视频带宽适配方法及装置
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
US20100035217A1 (en) * 2008-08-11 2010-02-11 David Kasper System and method for transmission of target tracking images
TR201001101A2 (tr) 2010-02-12 2011-09-21 Vestel Elektroni̇k Sanayi̇ Ve Ti̇caret A.Ş. Bir veri sıkıştırma metodu.
US9723312B2 (en) 2015-06-09 2017-08-01 Samsung Electronics Co., Ltd. Method and system for random accessible image compression with adaptive quantization
US11190810B2 (en) 2018-01-26 2021-11-30 Samsung Electronics Co., Ltd. Device and method for compressing image data using quantization parameter and entropy tables
CN108769704A (zh) * 2018-06-04 2018-11-06 浙江工业大学 一种基于动态能量分析的离散余弦变换图像压缩方法
KR20200065367A (ko) 2018-11-30 2020-06-09 삼성전자주식회사 이미지 처리 장치 및 프레임 버퍼 컴프레서

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Also Published As

Publication number Publication date
FI973042A0 (fi) 1997-07-18
AU7769998A (en) 1999-02-10
WO1999004553A2 (en) 1999-01-28
WO1999004553A3 (en) 1999-04-08
DE69811669D1 (de) 2003-04-03
EP0997034A2 (en) 2000-05-03
US6118903A (en) 2000-09-12
DE69811669T2 (de) 2003-12-18
EP0997034B1 (en) 2003-02-26
FI107496B (fi) 2001-08-15

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