FI107495B - Metod och arrangemang för att reducera volymen eller farten av en kodad digital videobitström - Google Patents
Metod och arrangemang för att reducera volymen eller farten av en kodad digital videobitström Download PDFInfo
- Publication number
- FI107495B FI107495B FI991721A FI19991721A FI107495B FI 107495 B FI107495 B FI 107495B FI 991721 A FI991721 A FI 991721A FI 19991721 A FI19991721 A FI 19991721A FI 107495 B FI107495 B FI 107495B
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/23406—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving management of server-side video buffer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/46—Embedding additional information in the video signal during the compression process
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI991721A FI107495B (sv) | 1999-08-13 | 1999-08-13 | Metod och arrangemang för att reducera volymen eller farten av en kodad digital videobitström |
EP00116467A EP1079636A1 (en) | 1999-08-13 | 2000-07-29 | Method and arrangement for reducing the volume or rate of an encoded digital video bitstream |
US11/299,180 US20060088098A1 (en) | 1999-08-13 | 2005-12-09 | Method and arrangement for reducing the volume or rate of an encoded digital video bitstream |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI991721 | 1999-08-13 | ||
FI991721A FI107495B (sv) | 1999-08-13 | 1999-08-13 | Metod och arrangemang för att reducera volymen eller farten av en kodad digital videobitström |
Publications (2)
Publication Number | Publication Date |
---|---|
FI19991721A FI19991721A (sv) | 2001-02-14 |
FI107495B true FI107495B (sv) | 2001-08-15 |
Family
ID=8555152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI991721A FI107495B (sv) | 1999-08-13 | 1999-08-13 | Metod och arrangemang för att reducera volymen eller farten av en kodad digital videobitström |
Country Status (3)
Country | Link |
---|---|
US (1) | US20060088098A1 (sv) |
EP (1) | EP1079636A1 (sv) |
FI (1) | FI107495B (sv) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2823037B1 (fr) * | 2001-03-27 | 2003-06-20 | Thomson Csf | Procede d'optimisation de la gestion de la bande passante d'un canal de transmission numerique |
US7020672B2 (en) | 2001-03-30 | 2006-03-28 | Koninklijke Philips Electronics, N.V. | Reduced complexity IDCT decoding with graceful degradation |
WO2002085027A1 (en) * | 2001-04-12 | 2002-10-24 | Koninklijke Philips Electronics N.V. | Watermark embedding |
JP3928859B2 (ja) * | 2002-11-11 | 2007-06-13 | 株式会社リコー | 画像処理装置、画像処理方法、プログラム及び記録媒体 |
US7206563B1 (en) * | 2003-04-17 | 2007-04-17 | Apogee Technology, Inc. | Reduction of radio frequency interference (RFI) produced by switching amplifiers |
US8422546B2 (en) * | 2005-05-25 | 2013-04-16 | Microsoft Corporation | Adaptive video encoding using a perceptual model |
US7619639B1 (en) * | 2005-09-12 | 2009-11-17 | Nvidia Corporation | Adaptive scaling using a programmable video engine |
US7899263B2 (en) * | 2006-01-10 | 2011-03-01 | Texas Instruments Incorporated | Method and apparatus for processing analytical-form compression noise in images with known statistics |
US20070237237A1 (en) * | 2006-04-07 | 2007-10-11 | Microsoft Corporation | Gradient slope detection for video compression |
US8130828B2 (en) * | 2006-04-07 | 2012-03-06 | Microsoft Corporation | Adjusting quantization to preserve non-zero AC coefficients |
US8503536B2 (en) * | 2006-04-07 | 2013-08-06 | Microsoft Corporation | Quantization adjustments for DC shift artifacts |
US8059721B2 (en) | 2006-04-07 | 2011-11-15 | Microsoft Corporation | Estimating sample-domain distortion in the transform domain with rounding compensation |
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 |
US8238424B2 (en) | 2007-02-09 | 2012-08-07 | Microsoft Corporation | Complexity-based adaptive preprocessing for multiple-pass video compression |
US20080240257A1 (en) * | 2007-03-26 | 2008-10-02 | Microsoft Corporation | Using quantization bias that accounts for relations between transform bins and quantization bins |
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 |
US8331438B2 (en) * | 2007-06-05 | 2012-12-11 | Microsoft Corporation | Adaptive selection of picture-level quantization parameters for predicted video pictures |
US8208558B2 (en) * | 2007-06-11 | 2012-06-26 | Texas Instruments Incorporated | Transform domain fast mode search for spatial prediction in advanced video coding |
US8111757B2 (en) * | 2007-09-28 | 2012-02-07 | Motorola Mobility, Inc. | Method and apparatus for video signal processing |
JP2009159359A (ja) * | 2007-12-27 | 2009-07-16 | Samsung Techwin Co Ltd | 動画像データ符号化装置、動画像データ復号化装置、動画像データ符号化方法、動画像データ復号化方法及びプログラム |
US8576906B2 (en) * | 2008-01-08 | 2013-11-05 | Telefonaktiebolaget L M Ericsson (Publ) | Adaptive filtering |
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 |
US8654838B2 (en) * | 2009-08-31 | 2014-02-18 | Nxp B.V. | System and method for video and graphic compression using multiple different compression techniques and compression error feedback |
CN104683801B (zh) * | 2013-11-29 | 2018-06-05 | 华为技术有限公司 | 图像压缩方法和装置 |
US10313681B2 (en) * | 2013-12-18 | 2019-06-04 | Intel Corporation | Techniques for rate-distortion optimization in video compression |
CN110019719B (zh) * | 2017-12-15 | 2023-04-25 | 微软技术许可有限责任公司 | 基于断言的问答 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US584015A (en) * | 1897-06-08 | Cap or closure | ||
US5355450A (en) * | 1992-04-10 | 1994-10-11 | Avid Technology, Inc. | Media composer with adjustable source material compression |
WO1993012613A1 (en) * | 1991-12-13 | 1993-06-24 | Avid Technology, Inc. | Quantization table adjustment |
US5872597A (en) * | 1994-08-26 | 1999-02-16 | Kabushiki Kaisha Toshiba | System for decoding moving picture signal multiplied and coded by DCT coefficient and additional data |
US5687095A (en) * | 1994-11-01 | 1997-11-11 | Lucent Technologies Inc. | Video transmission rate matching for multimedia communication systems |
US5706216A (en) * | 1995-07-28 | 1998-01-06 | Reisch; Michael L. | System for data compression of an image using a JPEG compression circuit modified for filtering in the frequency domain |
US5845015A (en) * | 1995-10-12 | 1998-12-01 | Sarnoff Corporation | Method and apparatus for resizing images using the discrete cosine transform |
GB9611511D0 (en) * | 1996-06-03 | 1996-08-07 | Digi Media Vision Ltd | Improvements in or relating to the bit-rate of a signal |
CN1236527A (zh) * | 1997-07-22 | 1999-11-24 | 皇家菲利浦电子有限公司 | 在视频序列之间进行切换的方法及相应的装置 |
EP0944261A3 (en) * | 1998-03-17 | 1999-10-06 | Matsushita Electric Industrial Co., Ltd. | Video signal processing apparatus |
US6310915B1 (en) * | 1998-11-20 | 2001-10-30 | Harmonic Inc. | Video transcoder with bitstream look ahead for rate control and statistical multiplexing |
-
1999
- 1999-08-13 FI FI991721A patent/FI107495B/sv active
-
2000
- 2000-07-29 EP EP00116467A patent/EP1079636A1/en not_active Withdrawn
-
2005
- 2005-12-09 US US11/299,180 patent/US20060088098A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
FI19991721A (sv) | 2001-02-14 |
US20060088098A1 (en) | 2006-04-27 |
EP1079636A1 (en) | 2001-02-28 |
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