JP4191592B2 - 圧縮符号化装置、圧縮符号化方法およびプログラム - Google Patents

圧縮符号化装置、圧縮符号化方法およびプログラム Download PDF

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JP4191592B2
JP4191592B2 JP2003433362A JP2003433362A JP4191592B2 JP 4191592 B2 JP4191592 B2 JP 4191592B2 JP 2003433362 A JP2003433362 A JP 2003433362A JP 2003433362 A JP2003433362 A JP 2003433362A JP 4191592 B2 JP4191592 B2 JP 4191592B2
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step size
quantization step
quantization
image quality
compression encoding
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JP2005192087A (ja
JP2005192087A5 (https=
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雄介 水野
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MegaChips Corp
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MegaChips Corp
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    • 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
    • H04N19/1883—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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
    • 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
    • H04N19/154—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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • 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
    • H04N19/115—Selection of the code volume for a coding unit prior to 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
    • 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

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  • 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)
  • Image Processing (AREA)
JP2003433362A 2003-12-26 2003-12-26 圧縮符号化装置、圧縮符号化方法およびプログラム Expired - Fee Related JP4191592B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2003433362A JP4191592B2 (ja) 2003-12-26 2003-12-26 圧縮符号化装置、圧縮符号化方法およびプログラム
US11/004,905 US7613352B2 (en) 2003-12-26 2004-12-07 Compression encoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003433362A JP4191592B2 (ja) 2003-12-26 2003-12-26 圧縮符号化装置、圧縮符号化方法およびプログラム

Publications (3)

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JP2005192087A JP2005192087A (ja) 2005-07-14
JP2005192087A5 JP2005192087A5 (https=) 2007-03-15
JP4191592B2 true JP4191592B2 (ja) 2008-12-03

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US (1) US7613352B2 (https=)
JP (1) JP4191592B2 (https=)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
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JP4649859B2 (ja) * 2004-03-25 2011-03-16 ソニー株式会社 信号処理装置および方法、記録媒体、並びにプログラム
JP2006081152A (ja) * 2004-08-12 2006-03-23 Seiko Epson Corp デジタル画像符号化装置、デジタル画像符号化プログラム、デジタル画像符号化方法、及びデジタル画像復号化装置、デジタル画像復号化プログラム、並びにデジタル画像復号化方法
KR100656637B1 (ko) * 2004-12-14 2006-12-11 엘지전자 주식회사 정수 ­정수 컬러 변환 방법을 이용한 휴대폰용 정지 영상압축 방법
JP4489605B2 (ja) * 2005-01-19 2010-06-23 株式会社メガチップス 圧縮符号化装置、圧縮符号化方法およびプログラム
US7925108B2 (en) * 2005-03-14 2011-04-12 Panasonic Corporation Encoding device and dynamic image recording system having the encoding device
JP2006295299A (ja) * 2005-04-06 2006-10-26 Megachips Lsi Solutions Inc デジタル絞りシステム
JP4636547B2 (ja) * 2005-08-12 2011-02-23 株式会社リコー 符号化装置、プログラム及び情報記録媒体
US7916961B2 (en) * 2005-09-06 2011-03-29 Megachips Corporation Compression encoder, compression encoding method and program
JP4789148B2 (ja) * 2005-09-06 2011-10-12 株式会社メガチップス 圧縮符号化装置、圧縮符号化方法およびプログラム
JP4593437B2 (ja) * 2005-10-21 2010-12-08 パナソニック株式会社 動画像符号化装置
US7711199B2 (en) * 2006-03-16 2010-05-04 Samsung Electronics Co., Ltd. Method for estimating quantization factor of compressed digital image
KR101348365B1 (ko) * 2006-08-02 2014-01-10 삼성전자주식회사 영상의 부호화 방법 및 장치, 복호화 방법 및 장치
US8489544B2 (en) * 2007-06-04 2013-07-16 John P. Ford System and method for prioritization and display of aggregated data
US8351723B2 (en) * 2009-03-25 2013-01-08 Accusoft-Pegasus Methods and apparatus for generating and using visual error weights
JP5469127B2 (ja) 2011-05-30 2014-04-09 富士フイルム株式会社 画像データ符号化装置ならびにその動作制御方法およびそのプログラム
RU2498407C1 (ru) * 2012-05-17 2013-11-10 Открытое акционерное общество "Научно-исследовательский институт телевидения" Способ сжатия графических файлов
CN103297775B (zh) * 2013-05-17 2016-02-10 西安电子科技大学 基于联合码率分配和控制的多光谱图像压缩系统与方法
US10735754B2 (en) 2017-04-26 2020-08-04 Google Llc Chromatic aberration modeling in image compression and enhancement
US10750175B2 (en) 2017-05-04 2020-08-18 Sony Corporation Quantization partitioning for enhanced image compression
US11265552B1 (en) * 2019-09-27 2022-03-01 Apple Inc. Block-based low latency rate control
CN115379291B (zh) * 2022-07-19 2023-12-26 百果园技术(新加坡)有限公司 一种码表更新方法、装置、设备及存储介质
CN115049917B (zh) * 2022-08-17 2022-11-15 上海与光彩芯科技有限公司 神经网络的训练方法、物体检测方法和智能终端设备
US20260075259A1 (en) * 2024-09-12 2026-03-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding a picture regarding a region of interest

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Publication number Priority date Publication date Assignee Title
JP3792067B2 (ja) 1998-03-19 2006-06-28 シャープ株式会社 画像の視覚的プログレッシブ符号化方法
US6778709B1 (en) * 1999-03-12 2004-08-17 Hewlett-Packard Development Company, L.P. Embedded block coding with optimized truncation
JP3702778B2 (ja) 2000-11-27 2005-10-05 ソニー株式会社 画像符号化装置及び方法
JP2003153228A (ja) * 2001-11-15 2003-05-23 Sony Corp 画像符号化装置及び画像復号化装置

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US7613352B2 (en) 2009-11-03
US20050141773A1 (en) 2005-06-30

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