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 PDFInfo
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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
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- orthogonal transform
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- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
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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 |
Publications (3)
Publication Number | Publication Date |
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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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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 (zh) |
Families Citing this family (15)
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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2002
- 2002-07-16 JP JP2002207487A patent/JP4254147B2/ja not_active Expired - Fee Related
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JP2003230142A (ja) | 2003-08-15 |
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