JP3984877B2 - 画像処理装置、画像処理方法、プログラム、及び記憶媒体 - Google Patents

画像処理装置、画像処理方法、プログラム、及び記憶媒体 Download PDF

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Publication number
JP3984877B2
JP3984877B2 JP2002195788A JP2002195788A JP3984877B2 JP 3984877 B2 JP3984877 B2 JP 3984877B2 JP 2002195788 A JP2002195788 A JP 2002195788A JP 2002195788 A JP2002195788 A JP 2002195788A JP 3984877 B2 JP3984877 B2 JP 3984877B2
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output
outputs
data
input
value
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JP2002195788A
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Japanese (ja)
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JP2003256405A (ja
JP2003256405A5 (cg-RX-API-DMAC7.html
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進 五十嵐
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Canon Inc
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Canon Inc
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Priority to JP2002195788A priority Critical patent/JP3984877B2/ja
Priority to US10/263,822 priority patent/US7127119B2/en
Publication of JP2003256405A publication Critical patent/JP2003256405A/ja
Publication of JP2003256405A5 publication Critical patent/JP2003256405A5/ja
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Databases & Information Systems (AREA)
  • Algebra (AREA)
  • Discrete Mathematics (AREA)
  • Computer Networks & Wireless Communication (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)
  • Complex Calculations (AREA)
JP2002195788A 2001-10-05 2002-07-04 画像処理装置、画像処理方法、プログラム、及び記憶媒体 Expired - Fee Related JP3984877B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002195788A JP3984877B2 (ja) 2001-10-05 2002-07-04 画像処理装置、画像処理方法、プログラム、及び記憶媒体
US10/263,822 US7127119B2 (en) 2001-10-05 2002-10-04 Image processing apparatus and method, program, and storage medium

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2001-310049 2001-10-05
JP2001310049 2001-10-05
JP2001-392637 2001-12-25
JP2001392637 2001-12-25
JP2002195788A JP3984877B2 (ja) 2001-10-05 2002-07-04 画像処理装置、画像処理方法、プログラム、及び記憶媒体

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2007042682A Division JP4314280B2 (ja) 2001-10-05 2007-02-22 逆量子化装置、逆量子化方法、プログラム、及び記憶媒体

Publications (3)

Publication Number Publication Date
JP2003256405A JP2003256405A (ja) 2003-09-12
JP2003256405A5 JP2003256405A5 (cg-RX-API-DMAC7.html) 2005-10-20
JP3984877B2 true JP3984877B2 (ja) 2007-10-03

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JP2002195788A Expired - Fee Related JP3984877B2 (ja) 2001-10-05 2002-07-04 画像処理装置、画像処理方法、プログラム、及び記憶媒体

Country Status (2)

Country Link
US (1) US7127119B2 (cg-RX-API-DMAC7.html)
JP (1) JP3984877B2 (cg-RX-API-DMAC7.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4725127B2 (ja) * 2005-02-16 2011-07-13 ソニー株式会社 復号装置および方法、記録媒体、並びにプログラム
US20070009166A1 (en) * 2005-07-05 2007-01-11 Ju Chi-Cheng Scalable system for discrete cosine transform and method thereof
US7295144B1 (en) * 2006-05-22 2007-11-13 Redpine Signals, Inc. Quantizer responsive to noise level for a wireless communications system
JP4772607B2 (ja) * 2006-07-10 2011-09-14 パナソニック株式会社 ２次元直交変換装置、２次元直交変換方法および撮像システム
JP4993676B2 (ja) * 2006-09-01 2012-08-08 キヤノン株式会社 画像符号化装置及び画像符号化方法
JP6016332B2 (ja) 2011-05-12 2016-10-26 キヤノン株式会社 画像処理装置、画像処理方法
JP7598254B2 (ja) 2021-02-04 2024-12-11 キヤノン株式会社 符号化装置、撮像装置、符号化方法、及びプログラム

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6915014B1 (en) * 1990-07-31 2005-07-05 Canon Kabushiki Kaisha Image processing apparatus and method
KR0157665B1 (ko) * 1993-09-20 1998-11-16 모리시타 요이찌 압축텔레비젼신호기록재생장치
US5848194A (en) 1994-12-16 1998-12-08 Canon Kabushiki Kaisha Coding/decoding apparatus and coding/decoding method
US6351570B1 (en) * 1997-04-01 2002-02-26 Matsushita Electric Industrial Co., Ltd. Image coding and decoding apparatus, method of image coding and decoding, and recording medium for recording program for image coding and decoding
JP2001078190A (ja) * 1999-09-02 2001-03-23 Canon Inc 画像処理装置及びその制御方法
AUPR192700A0 (en) * 2000-12-06 2001-01-04 Canon Kabushiki Kaisha Storing coding image data in storage of fixed memory size
US6819803B2 (en) * 2001-07-02 2004-11-16 International Business Machines Corporation Faster lossless rotation of JPEG images

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Publication number Publication date
US7127119B2 (en) 2006-10-24
US20030067976A1 (en) 2003-04-10
JP2003256405A (ja) 2003-09-12

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