SG87060A1 - Error reduction in transformed digital data - Google Patents
Error reduction in transformed digital dataInfo
- Publication number
- SG87060A1 SG87060A1 SG9905409A SG1999005409A SG87060A1 SG 87060 A1 SG87060 A1 SG 87060A1 SG 9905409 A SG9905409 A SG 9905409A SG 1999005409 A SG1999005409 A SG 1999005409A SG 87060 A1 SG87060 A1 SG 87060A1
- Authority
- SG
- Singapore
- Prior art keywords
- digital data
- error reduction
- transformed digital
- transformed
- error
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/007—Transform coding, e.g. discrete cosine transform
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Discrete Mathematics (AREA)
- Multimedia (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/186,249 US6393155B1 (en) | 1998-11-04 | 1998-11-04 | Error reduction in transformed digital data |
Publications (1)
Publication Number | Publication Date |
---|---|
SG87060A1 true SG87060A1 (en) | 2002-03-19 |
Family
ID=22684212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG9905409A SG87060A1 (en) | 1998-11-04 | 1999-11-01 | Error reduction in transformed digital data |
Country Status (6)
Country | Link |
---|---|
US (2) | US6393155B1 (ko) |
JP (1) | JP3320390B2 (ko) |
KR (1) | KR100360013B1 (ko) |
CN (1) | CN1176433C (ko) |
MY (1) | MY123212A (ko) |
SG (1) | SG87060A1 (ko) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2795206B1 (fr) * | 1999-06-17 | 2001-08-31 | Canon Kk | Procede de modification d'orientation geometrique d'une image |
US6671414B1 (en) * | 2000-03-13 | 2003-12-30 | International Business Machines Corporation | Shift and/or merge of transformed data along one axis |
US6678423B1 (en) * | 2000-03-13 | 2004-01-13 | International Business Machines Corporation | Shift and/or merge of transformed data along two axes |
US6909812B1 (en) * | 2000-07-13 | 2005-06-21 | Lucent Technologies Inc. | Methods and apparatus for nearly lossless-concatenated block transform coding |
US8270820B2 (en) * | 2001-02-23 | 2012-09-18 | Hewlett-Packard Development Company, L.P. | Archiving and sharing of multimedia content |
JP2004186934A (ja) * | 2002-12-03 | 2004-07-02 | Fuji Xerox Co Ltd | 画像処理システム、画像形成装置、画像処理方法、およびプログラム |
US10554985B2 (en) | 2003-07-18 | 2020-02-04 | Microsoft Technology Licensing, Llc | DC coefficient signaling at small quantization step sizes |
US8218624B2 (en) * | 2003-07-18 | 2012-07-10 | Microsoft Corporation | Fractional quantization step sizes for high bit rates |
US7602851B2 (en) * | 2003-07-18 | 2009-10-13 | Microsoft Corporation | Intelligent differential quantization of video coding |
US7738554B2 (en) | 2003-07-18 | 2010-06-15 | Microsoft Corporation | DC coefficient signaling at small quantization step sizes |
US7580584B2 (en) * | 2003-07-18 | 2009-08-25 | Microsoft Corporation | Adaptive multiple quantization |
US7801383B2 (en) * | 2004-05-15 | 2010-09-21 | Microsoft Corporation | Embedded scalar quantizers with arbitrary dead-zone ratios |
US7489826B2 (en) * | 2004-10-07 | 2009-02-10 | Infoprint Solutions Company, Llc | Compensating for errors in performance sensitive transformations |
US7643704B2 (en) * | 2005-02-04 | 2010-01-05 | Eastman Kodak Company | Cropping a digital image and preserving reserves |
JP4775756B2 (ja) * | 2005-03-18 | 2011-09-21 | 富士ゼロックス株式会社 | 復号化装置及びそのプログラム |
JP4645948B2 (ja) * | 2005-03-18 | 2011-03-09 | 富士ゼロックス株式会社 | 復号化装置及びプログラム |
US7778468B2 (en) * | 2005-03-23 | 2010-08-17 | Fuji Xerox Co., Ltd. | Decoding apparatus, dequantizing method, and program thereof |
JP4737711B2 (ja) * | 2005-03-23 | 2011-08-03 | 富士ゼロックス株式会社 | 復号化装置、逆量子化方法、分布決定方法及びこのプログラム |
JP2006270737A (ja) * | 2005-03-25 | 2006-10-05 | Fuji Xerox Co Ltd | 復号化装置、分布推定方法、復号化方法及びこれらのプログラム |
US8422546B2 (en) | 2005-05-25 | 2013-04-16 | Microsoft Corporation | Adaptive video encoding using a perceptual model |
US7995649B2 (en) | 2006-04-07 | 2011-08-09 | Microsoft Corporation | Quantization adjustment based on texture level |
US8503536B2 (en) | 2006-04-07 | 2013-08-06 | Microsoft Corporation | Quantization adjustments for DC shift artifacts |
US7974340B2 (en) * | 2006-04-07 | 2011-07-05 | Microsoft Corporation | Adaptive B-picture quantization control |
US8059721B2 (en) | 2006-04-07 | 2011-11-15 | Microsoft Corporation | Estimating sample-domain distortion in the transform domain with rounding compensation |
US8130828B2 (en) | 2006-04-07 | 2012-03-06 | Microsoft Corporation | Adjusting quantization to preserve non-zero AC coefficients |
US8711925B2 (en) | 2006-05-05 | 2014-04-29 | Microsoft Corporation | Flexible quantization |
US8238424B2 (en) | 2007-02-09 | 2012-08-07 | Microsoft Corporation | Complexity-based adaptive preprocessing for multiple-pass video compression |
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 |
US8442337B2 (en) | 2007-04-18 | 2013-05-14 | Microsoft Corporation | Encoding adjustments for animation content |
JP4468404B2 (ja) * | 2007-05-02 | 2010-05-26 | キヤノン株式会社 | 情報処理装置の制御方法、情報処理装置及びプログラム |
US8331438B2 (en) | 2007-06-05 | 2012-12-11 | Microsoft Corporation | Adaptive selection of picture-level quantization parameters for predicted video pictures |
US8189933B2 (en) | 2008-03-31 | 2012-05-29 | Microsoft Corporation | Classifying and controlling encoding quality for textured, dark smooth and smooth video content |
US8897359B2 (en) | 2008-06-03 | 2014-11-25 | Microsoft Corporation | Adaptive quantization for enhancement layer video coding |
US20120230395A1 (en) * | 2011-03-11 | 2012-09-13 | Louis Joseph Kerofsky | Video decoder with reduced dynamic range transform with quantization matricies |
JP2014068276A (ja) * | 2012-09-26 | 2014-04-17 | Olympus Imaging Corp | 画像編集装置、画像編集方法、およびプログラム |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5675666A (en) * | 1995-03-02 | 1997-10-07 | Sony Corportion | Image data compression method and apparatus with pre-processing to compensate for the blocky effect |
GB2318472A (en) * | 1996-10-09 | 1998-04-22 | Sony Uk Ltd | Generating inter-frame encoded video signals |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06112909A (ja) * | 1992-09-28 | 1994-04-22 | Sony Corp | 改良dctの信号変換装置 |
JPH06165151A (ja) * | 1992-11-25 | 1994-06-10 | Matsushita Electric Ind Co Ltd | 映像符号量制御装置 |
TW224553B (en) * | 1993-03-01 | 1994-06-01 | Sony Co Ltd | Method and apparatus for inverse discrete consine transform and coding/decoding of moving picture |
US5515388A (en) * | 1993-03-19 | 1996-05-07 | Sony Corporation | Apparatus and method for preventing repetitive random errors in transform coefficients representing a motion picture signal |
NL9301358A (nl) * | 1993-08-04 | 1995-03-01 | Nederland Ptt | Transcodeerinrichting. |
US5495292A (en) * | 1993-09-03 | 1996-02-27 | Gte Laboratories Incorporated | Inter-frame wavelet transform coder for color video compression |
EP0671816B1 (en) * | 1993-09-28 | 2000-03-29 | Sony Corporation | Encoding/decoding device with all odd or all even value rounding |
US6256349B1 (en) * | 1995-12-28 | 2001-07-03 | Sony Corporation | Picture signal encoding method and apparatus, picture signal transmitting method, picture signal decoding method and apparatus and recording medium |
JP3518717B2 (ja) * | 1996-09-20 | 2004-04-12 | ソニー株式会社 | 動画像符号化装置および方法、並びに動画像復号化装置および方法 |
US6178205B1 (en) * | 1997-12-12 | 2001-01-23 | Vtel Corporation | Video postfiltering with motion-compensated temporal filtering and/or spatial-adaptive filtering |
-
1998
- 1998-11-04 US US09/186,249 patent/US6393155B1/en not_active Expired - Lifetime
-
1999
- 1999-10-13 KR KR1019990044265A patent/KR100360013B1/ko not_active IP Right Cessation
- 1999-11-01 SG SG9905409A patent/SG87060A1/en unknown
- 1999-11-01 JP JP31085199A patent/JP3320390B2/ja not_active Expired - Fee Related
- 1999-11-02 MY MYPI99004738A patent/MY123212A/en unknown
- 1999-11-03 CN CNB991234235A patent/CN1176433C/zh not_active Expired - Fee Related
-
2002
- 2002-01-09 US US10/042,792 patent/US6535645B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5675666A (en) * | 1995-03-02 | 1997-10-07 | Sony Corportion | Image data compression method and apparatus with pre-processing to compensate for the blocky effect |
GB2318472A (en) * | 1996-10-09 | 1998-04-22 | Sony Uk Ltd | Generating inter-frame encoded video signals |
Also Published As
Publication number | Publication date |
---|---|
MY123212A (en) | 2006-05-31 |
US6535645B2 (en) | 2003-03-18 |
JP3320390B2 (ja) | 2002-09-03 |
US20020081035A1 (en) | 2002-06-27 |
KR100360013B1 (ko) | 2002-11-07 |
JP2000151417A (ja) | 2000-05-30 |
KR20000034994A (ko) | 2000-06-26 |
CN1253337A (zh) | 2000-05-17 |
US6393155B1 (en) | 2002-05-21 |
CN1176433C (zh) | 2004-11-17 |
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