JP2008005337A5 - - Google Patents

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Publication number
JP2008005337A5
JP2008005337A5 JP2006174379A JP2006174379A JP2008005337A5 JP 2008005337 A5 JP2008005337 A5 JP 2008005337A5 JP 2006174379 A JP2006174379 A JP 2006174379A JP 2006174379 A JP2006174379 A JP 2006174379A JP 2008005337 A5 JP2008005337 A5 JP 2008005337A5
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JP
Japan
Prior art keywords
image
quantization
frame
activity
change rate
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JP2006174379A
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English (en)
Japanese (ja)
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JP2008005337A (ja
JP4908943B2 (ja
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Priority to JP2006174379A priority Critical patent/JP4908943B2/ja
Priority claimed from JP2006174379A external-priority patent/JP4908943B2/ja
Priority to US11/760,397 priority patent/US8259796B2/en
Publication of JP2008005337A publication Critical patent/JP2008005337A/ja
Publication of JP2008005337A5 publication Critical patent/JP2008005337A5/ja
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Publication of JP4908943B2 publication Critical patent/JP4908943B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2006174379A 2006-06-23 2006-06-23 画像符号化装置及び画像符号化方法 Expired - Fee Related JP4908943B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2006174379A JP4908943B2 (ja) 2006-06-23 2006-06-23 画像符号化装置及び画像符号化方法
US11/760,397 US8259796B2 (en) 2006-06-23 2007-06-08 Image coding apparatus and image coding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006174379A JP4908943B2 (ja) 2006-06-23 2006-06-23 画像符号化装置及び画像符号化方法

Publications (3)

Publication Number Publication Date
JP2008005337A JP2008005337A (ja) 2008-01-10
JP2008005337A5 true JP2008005337A5 (enExample) 2009-08-06
JP4908943B2 JP4908943B2 (ja) 2012-04-04

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ID=38873550

Family Applications (1)

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JP2006174379A Expired - Fee Related JP4908943B2 (ja) 2006-06-23 2006-06-23 画像符号化装置及び画像符号化方法

Country Status (2)

Country Link
US (1) US8259796B2 (enExample)
JP (1) JP4908943B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8897359B2 (en) 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding

Families Citing this family (8)

* 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
US8711925B2 (en) 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization
JP5363302B2 (ja) * 2009-12-24 2013-12-11 株式会社メガチップス 画像符号化装置及び画像変換装置
JP5871602B2 (ja) * 2011-12-19 2016-03-01 キヤノン株式会社 符号化装置
EP3151560B1 (en) * 2013-06-11 2019-02-27 BlackBerry Limited Intra-coding mode-dependent quantization tuning
US9787989B2 (en) 2013-06-11 2017-10-10 Blackberry Limited Intra-coding mode-dependent quantization tuning
US9930346B2 (en) * 2014-04-15 2018-03-27 Qualcomm Incorporated System and method for flatness detection for display stream compression (DSC)
CN113286145B (zh) * 2021-04-26 2022-07-22 维沃移动通信有限公司 视频编码方法、装置和电子设备

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06268983A (ja) * 1993-03-15 1994-09-22 Toshiba Corp 画像圧縮装置
JPH07115651A (ja) * 1993-10-18 1995-05-02 Mitsubishi Electric Corp 映像信号符号化方式
JP3200518B2 (ja) 1994-06-27 2001-08-20 日本電信電話株式会社 画像信号符号化装置
JP3755155B2 (ja) * 1994-09-30 2006-03-15 ソニー株式会社 画像符号化装置
KR100232098B1 (ko) * 1997-03-26 1999-12-01 서평원 퍼지 제어를 이용한 mpeg 영상 신호의 전송율 제어 장치
JP4171934B2 (ja) * 1997-12-26 2008-10-29 ソニー株式会社 画像処理装置および方法、並びに記録媒体
JP2002247584A (ja) * 2001-02-15 2002-08-30 Nippon Telegr & Teleph Corp <Ntt> 画像符号化方法および装置、並びに、画像符号化処理用プログラム及びそのプログラムの記録媒体
WO2002080572A1 (fr) * 2001-03-29 2002-10-10 Sony Corporation Dispositif, procede et programme de traitement d'image, et support d'enregistrement
GB2387059A (en) * 2002-03-28 2003-10-01 Sony Uk Ltd Data compression using trial quantisations to determine final quantiser
JP4257655B2 (ja) * 2004-11-04 2009-04-22 日本ビクター株式会社 動画像符号化装置
JP5267655B2 (ja) * 2009-03-19 2013-08-21 富士通株式会社 画像符号化装置、画像符号化制御方法および画像符号化プログラム
US8503528B2 (en) * 2010-09-15 2013-08-06 Google Inc. System and method for encoding video using temporal filter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8897359B2 (en) 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
US9571840B2 (en) 2008-06-03 2017-02-14 Microsoft Technology Licensing, Llc Adaptive quantization for enhancement layer video coding

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