JP4254147B2 - 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 - Google Patents

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 Download PDF

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JP4254147B2
JP4254147B2 JP2002207487A JP2002207487A JP4254147B2 JP 4254147 B2 JP4254147 B2 JP 4254147B2 JP 2002207487 A JP2002207487 A JP 2002207487A JP 2002207487 A JP2002207487 A JP 2002207487A JP 4254147 B2 JP4254147 B2 JP 4254147B2
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quantization
qqp
component
dead zone
orthogonal transform
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JP2003230142A5 (zh
JP2003230142A (ja
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邦明 高橋
輝彦 鈴木
陽一 矢ヶ崎
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Sony Corp
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Sony Corp
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  • Compression, Expansion, Code Conversion, And Decoders (AREA)
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)

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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

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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

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JP2003230142A JP2003230142A (ja) 2003-08-15
JP2003230142A5 JP2003230142A5 (zh) 2005-10-27
JP4254147B2 true JP4254147B2 (ja) 2009-04-15

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Families Citing this family (15)

* 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
EP2290986A1 (en) 2004-02-20 2011-03-02 Nec Corporation Image encoding method, device thereof, and control program thereof
US8542731B2 (en) 2004-06-18 2013-09-24 Thomson Licensing Method and apparatus for video codec quantization
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
US8711925B2 (en) * 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization
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
WO2008132890A1 (ja) * 2007-04-16 2008-11-06 Kabushiki Kaisha Toshiba 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

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