JP2014531863A5 - - Google Patents

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Publication number
JP2014531863A5
JP2014531863A5 JP2014533812A JP2014533812A JP2014531863A5 JP 2014531863 A5 JP2014531863 A5 JP 2014531863A5 JP 2014533812 A JP2014533812 A JP 2014533812A JP 2014533812 A JP2014533812 A JP 2014533812A JP 2014531863 A5 JP2014531863 A5 JP 2014531863A5
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JP
Japan
Prior art keywords
quantization parameter
already used
parameter value
image block
bit rate
Prior art date
Legal status (The legal status 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 status listed.)
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Application number
JP2014533812A
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English (en)
Japanese (ja)
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JP2014531863A (ja
JP6092878B2 (ja
Filing date
Publication date
Priority claimed from EP11306283.0A external-priority patent/EP2579593A1/en
Application filed filed Critical
Publication of JP2014531863A publication Critical patent/JP2014531863A/ja
Publication of JP2014531863A5 publication Critical patent/JP2014531863A5/ja
Application granted granted Critical
Publication of JP6092878B2 publication Critical patent/JP6092878B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2014533812A 2011-10-04 2012-09-04 画像ブロックをイントラ符号化するためのデバイスおよび方法、イントラ符号化済みの画像ブロックを担持する記憶媒体、ならびにイントラ符号化済みの画像ブロックを復号するための処理デバイスの使用 Expired - Fee Related JP6092878B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11306283.0A EP2579593A1 (en) 2011-10-04 2011-10-04 Adaptive quantisation for intra-encoded image blocks
EP11306283.0 2011-10-04
PCT/EP2012/067178 WO2013050206A2 (en) 2011-10-04 2012-09-04 Device and method for intra-encoding image blocks, storage medium carrying and use of a processing device for decoding intra-encoded image blocks

Publications (3)

Publication Number Publication Date
JP2014531863A JP2014531863A (ja) 2014-11-27
JP2014531863A5 true JP2014531863A5 (enExample) 2015-09-10
JP6092878B2 JP6092878B2 (ja) 2017-03-08

Family

ID=46826491

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014533812A Expired - Fee Related JP6092878B2 (ja) 2011-10-04 2012-09-04 画像ブロックをイントラ符号化するためのデバイスおよび方法、イントラ符号化済みの画像ブロックを担持する記憶媒体、ならびにイントラ符号化済みの画像ブロックを復号するための処理デバイスの使用

Country Status (6)

Country Link
US (1) US20150189297A1 (enExample)
EP (2) EP2579593A1 (enExample)
JP (1) JP6092878B2 (enExample)
KR (1) KR20140068137A (enExample)
CN (1) CN103843338B (enExample)
WO (1) WO2013050206A2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9565440B2 (en) * 2013-06-25 2017-02-07 Vixs Systems Inc. Quantization parameter adjustment based on sum of variance and estimated picture encoding cost
US20160234496A1 (en) * 2015-02-09 2016-08-11 Qualcomm Incorporated Near visually lossless video recompression
CN105992001B (zh) * 2015-03-02 2019-09-20 深圳市腾讯计算机系统有限公司 一种对图片进行量化处理的方法及装置
US10356406B2 (en) 2016-01-19 2019-07-16 Google Llc Real-time video encoder rate control using dynamic resolution switching
WO2019127136A1 (zh) * 2017-12-27 2019-07-04 深圳市大疆创新科技有限公司 码率控制的方法与编码装置
CN110049321B (zh) * 2018-01-16 2022-09-06 腾讯科技（深圳）有限公司 视频编码方法、装置、设备及存储介质

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5146324A (en) * 1990-07-31 1992-09-08 Ampex Corporation Data compression using a feedforward quantization estimator
JP2008503959A (ja) * 2004-06-21 2008-02-07 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ デジタルビデオ信号を選択的にトランスコードするシステム及び方法
EP1727371A1 (en) * 2005-05-27 2006-11-29 Thomson Licensing Method for controlling the encoder output bit rate in a block-based video encoder, and corresponding video encoder apparatus
US7616821B2 (en) * 2005-07-19 2009-11-10 International Business Machines Corporation Methods for transitioning compression levels in a streaming image system
KR101566557B1 (ko) * 2006-10-18 2015-11-05 톰슨 라이센싱 예측 데이터 리파인먼트를 이용한 비디오 코딩 방법 및 장치
JP2008283401A (ja) * 2007-05-09 2008-11-20 Canon Inc 画像処理装置およびその方法
JP2009038746A (ja) * 2007-08-03 2009-02-19 Panasonic Corp 画像情報符号化装置
EP2286595A1 (en) * 2008-06-16 2011-02-23 Dolby Laboratories Licensing Corporation Rate control model adaptation based on slice dependencies for video coding
JP5257215B2 (ja) * 2009-04-16 2013-08-07 ソニー株式会社 画像符号化装置と画像符号化方法

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