JP2005192087A5 - - Google Patents

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Publication number
JP2005192087A5
JP2005192087A5 JP2003433362A JP2003433362A JP2005192087A5 JP 2005192087 A5 JP2005192087 A5 JP 2005192087A5 JP 2003433362 A JP2003433362 A JP 2003433362A JP 2003433362 A JP2003433362 A JP 2003433362A JP 2005192087 A5 JP2005192087 A5 JP 2005192087A5
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JP
Japan
Prior art keywords
step size
quantization step
quantization
compression encoding
image quality
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Application number
JP2003433362A
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English (en)
Japanese (ja)
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JP2005192087A (ja
JP4191592B2 (ja
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Priority to JP2003433362A priority Critical patent/JP4191592B2/ja
Priority claimed from JP2003433362A external-priority patent/JP4191592B2/ja
Priority to US11/004,905 priority patent/US7613352B2/en
Publication of JP2005192087A publication Critical patent/JP2005192087A/ja
Publication of JP2005192087A5 publication Critical patent/JP2005192087A5/ja
Application granted granted Critical
Publication of JP4191592B2 publication Critical patent/JP4191592B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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)

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

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ID=34697722

Family Applications (1)

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JP2003433362A Expired - Fee Related 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

Country Status (2)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8805107B2 (en) 2011-05-30 2014-08-12 Fujifilm Corporation Image data coding apparatus, method of controlling operation of same, and program therefor

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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
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

Family Cites Families (4)

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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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8805107B2 (en) 2011-05-30 2014-08-12 Fujifilm Corporation Image data coding apparatus, method of controlling operation of same, and program therefor

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