JP2003230142A5 - - Google Patents

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Publication number
JP2003230142A5
JP2003230142A5 JP2002207487A JP2002207487A JP2003230142A5 JP 2003230142 A5 JP2003230142 A5 JP 2003230142A5 JP 2002207487 A JP2002207487 A JP 2002207487A JP 2002207487 A JP2002207487 A JP 2002207487A JP 2003230142 A5 JP2003230142 A5 JP 2003230142A5
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JP
Japan
Prior art keywords
dead zone
quantization
transform coefficient
orthogonal transform
component
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Application number
JP2002207487A
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English (en)
Japanese (ja)
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JP2003230142A (ja
JP4254147B2 (ja
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Priority to JP2002207487A priority Critical patent/JP4254147B2/ja
Priority claimed from JP2002207487A external-priority patent/JP4254147B2/ja
Publication of JP2003230142A publication Critical patent/JP2003230142A/ja
Publication of JP2003230142A5 publication Critical patent/JP2003230142A5/ja
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Publication of JP4254147B2 publication Critical patent/JP4254147B2/ja
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JP2002207487A 2001-11-30 2002-07-16 画像情報符号化方法及び装置、並びにプログラム及び記録媒体 Expired - Fee Related JP4254147B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002207487A JP4254147B2 (ja) 2001-11-30 2002-07-16 画像情報符号化方法及び装置、並びにプログラム及び記録媒体

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001367868 2001-11-30
JP2001-367868 2001-11-30
JP2002207487A JP4254147B2 (ja) 2001-11-30 2002-07-16 画像情報符号化方法及び装置、並びにプログラム及び記録媒体

Publications (3)

Publication Number Publication Date
JP2003230142A JP2003230142A (ja) 2003-08-15
JP2003230142A5 true JP2003230142A5 (https=) 2005-10-27
JP4254147B2 JP4254147B2 (ja) 2009-04-15

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JP2002207487A Expired - Fee Related JP4254147B2 (ja) 2001-11-30 2002-07-16 画像情報符号化方法及び装置、並びにプログラム及び記録媒体

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JP (1) JP4254147B2 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8711925B2 (en) 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO319007B1 (no) * 2003-05-22 2005-06-06 Tandberg Telecom As Fremgangsmate og apparat for videokomprimering
EP1564997A1 (en) * 2004-02-12 2005-08-17 Matsushita Electric Industrial Co., Ltd. Encoding and decoding of video images based on a quantization with an adaptive dead-zone size
EP1718080A4 (en) * 2004-02-20 2011-01-12 Nec Corp BILDCODE PROCESS, DEVICE AND CONTROL PROGRAM THEREFOR
JP5053081B2 (ja) * 2004-06-18 2012-10-17 トムソン ライセンシング ビデオ・コーデック量子化のための方法および装置
US8503536B2 (en) 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
US7995649B2 (en) 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
US8498335B2 (en) 2007-03-26 2013-07-30 Microsoft Corporation Adaptive deadzone size adjustment in quantization
US8243797B2 (en) 2007-03-30 2012-08-14 Microsoft Corporation Regions of interest for quality adjustments
JPWO2008132890A1 (ja) * 2007-04-16 2010-07-22 株式会社東芝 画像符号化と画像復号化の方法及び装置
US8442337B2 (en) 2007-04-18 2013-05-14 Microsoft Corporation Encoding adjustments for animation content
US8897359B2 (en) 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
US20130272390A1 (en) * 2012-04-16 2013-10-17 Qualcomm Incorporated Uniform granularity for quantization matrix in video coding
GB2501535A (en) * 2012-04-26 2013-10-30 Sony Corp Chrominance Processing in High Efficiency Video Codecs
GB2512826B (en) * 2013-04-05 2017-05-10 Canon Kk Method and device for determining the value of a quantization parameter
EP3499885B1 (en) * 2017-12-18 2024-07-17 Canon Kabushiki Kaisha Method and device for encoding video data
US12206879B2 (en) * 2020-09-17 2025-01-21 Lemon Inc. Profile, tier, level and general constraints indication in coded video

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8711925B2 (en) 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization

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