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 PDF

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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
Authority
FI
Finland
Prior art keywords
att
bit stream
dct
den
för
Prior art date
Application number
FI991721A
Other languages
English (en)
Finnish (fi)
Other versions
FI19991721A (sv
Inventor
Markku Vehvilaeinen
Original Assignee
Nokia Multimedia Network Termi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Multimedia Network Termi filed Critical Nokia Multimedia Network Termi
Priority to FI991721A priority Critical patent/FI107495B/sv
Priority to EP00116467A priority patent/EP1079636A1/en
Publication of FI19991721A publication Critical patent/FI19991721A/sv
Application granted granted Critical
Publication of FI107495B publication Critical patent/FI107495B/sv
Priority to US11/299,180 priority patent/US20060088098A1/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/23406Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving management of server-side video buffer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • H04N19/126Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/152Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/40Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/44Processing 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
    • H04N21/44004Processing 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods 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)
FI991721A 1999-08-13 1999-08-13 Metod och arrangemang för att reducera volymen eller farten av en kodad digital videobitström FI107495B (sv)

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)

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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

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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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