BR112015016316A2 - método para converter o formato de um quadro em um formato de subamostragem de croma - Google Patents

método para converter o formato de um quadro em um formato de subamostragem de croma

Info

Publication number
BR112015016316A2
BR112015016316A2 BR112015016316A BR112015016316A BR112015016316A2 BR 112015016316 A2 BR112015016316 A2 BR 112015016316A2 BR 112015016316 A BR112015016316 A BR 112015016316A BR 112015016316 A BR112015016316 A BR 112015016316A BR 112015016316 A2 BR112015016316 A2 BR 112015016316A2
Authority
BR
Brazil
Prior art keywords
format
frame
converting
coefficients
frames
Prior art date
Application number
BR112015016316A
Other languages
English (en)
Other versions
BR112015016316B1 (pt
BR112015016316A8 (pt
Inventor
Anil Kumar B
Zhu Lihua
Abdo Nadim
Sankuratri Sridhar
Original Assignee
Microsoft Corp
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 Microsoft Corp filed Critical Microsoft Corp
Publication of BR112015016316A2 publication Critical patent/BR112015016316A2/pt
Publication of BR112015016316A8 publication Critical patent/BR112015016316A8/pt
Publication of BR112015016316B1 publication Critical patent/BR112015016316B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • 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
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/88—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
  • Processing Of Color Television Signals (AREA)

Abstract

resumo patente de invenção: "método para converter o formato de um quadro em um formato de subamostragem de croma". a presente invenção refere-se a um método para converter um quadro de primeiro formato (402) para um ou mais quadros de segundo formato (404). em uma modalidade, o método inclui a etapa de acessar um quadro de primeiro formato com o uso de n coeficientes, em que n é o número total de coeficientes usado para os planos y (408), u (410) e v (416) do quadro de primeiro formato. o método inclui adicionalmente a etapa de mapeamento dos coeficientes do quadro de primeiro formato para coeficientes de um ou mais quadros de segundo formato. os um ou mais quadros de segundo formato têm n coeficientes por todos os quadros de segundo formato que correspondem a n coeficientes do quadro de primeiro formato.
BR112015016316-5A 2013-01-08 2014-01-07 Método para converter um primeiro quadro tendo um formato de subamostragem de croma yuv 4:4:4 em um segundo quadro tendo um formato de subamostragem de croma yuv 4:2:0 e método para converter um primeiro quadro tendo um formato de subamostragem de croma yuv 4:4:4 em dois segundos quadros tendo ambos um formato de subamostragem de croma yuv 4: 2:0 BR112015016316B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/736,688 US8817179B2 (en) 2013-01-08 2013-01-08 Chroma frame conversion for the video codec
US13/736,688 2013-01-08
PCT/US2014/010394 WO2014109998A1 (en) 2013-01-08 2014-01-07 Method for converting the format of a frame into a chroma subsampling format

Publications (3)

Publication Number Publication Date
BR112015016316A2 true BR112015016316A2 (pt) 2017-07-11
BR112015016316A8 BR112015016316A8 (pt) 2017-11-07
BR112015016316B1 BR112015016316B1 (pt) 2023-04-11

Family

ID=50029250

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015016316-5A BR112015016316B1 (pt) 2013-01-08 2014-01-07 Método para converter um primeiro quadro tendo um formato de subamostragem de croma yuv 4:4:4 em um segundo quadro tendo um formato de subamostragem de croma yuv 4:2:0 e método para converter um primeiro quadro tendo um formato de subamostragem de croma yuv 4:4:4 em dois segundos quadros tendo ambos um formato de subamostragem de croma yuv 4: 2:0

Country Status (5)

Country Link
US (1) US8817179B2 (pt)
EP (1) EP2944088B1 (pt)
CN (1) CN104995918B (pt)
BR (1) BR112015016316B1 (pt)
WO (1) WO2014109998A1 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9979960B2 (en) 2012-10-01 2018-05-22 Microsoft Technology Licensing, Llc Frame packing and unpacking between frames of chroma sampling formats with different chroma resolutions
US9661340B2 (en) 2012-10-22 2017-05-23 Microsoft Technology Licensing, Llc Band separation filtering / inverse filtering for frame packing / unpacking higher resolution chroma sampling formats
USRE48920E1 (en) * 2014-02-21 2022-02-01 Lattice Semiconductor Corporation Adaptive processing of video streams with reduced color resolution
US9749646B2 (en) 2015-01-16 2017-08-29 Microsoft Technology Licensing, Llc Encoding/decoding of high chroma resolution details
US9854201B2 (en) 2015-01-16 2017-12-26 Microsoft Technology Licensing, Llc Dynamically updating quality to higher chroma sampling rate
US10575007B2 (en) 2016-04-12 2020-02-25 Microsoft Technology Licensing, Llc Efficient decoding and rendering of blocks in a graphics pipeline
US20170300312A1 (en) 2016-04-13 2017-10-19 Microsoft Technology Licensing, Llc Progressive updates with motion
WO2017211306A1 (zh) * 2016-06-08 2017-12-14 同济大学 视频数据压缩码流的解码、视频数据的编码方法及装置
US10157480B2 (en) 2016-06-24 2018-12-18 Microsoft Technology Licensing, Llc Efficient decoding and rendering of inter-coded blocks in a graphics pipeline
US11197010B2 (en) 2016-10-07 2021-12-07 Microsoft Technology Licensing, Llc Browser-based video decoder using multiple CPU threads
US10368080B2 (en) 2016-10-21 2019-07-30 Microsoft Technology Licensing, Llc Selective upsampling or refresh of chroma sample values
CN107948652B (zh) * 2017-11-21 2021-04-13 海信视像科技股份有限公司 一种进行图像转换的方法和设备

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Publication number Priority date Publication date Assignee Title
US5692063A (en) 1996-01-19 1997-11-25 Microsoft Corporation Method and system for unrestricted motion estimation for video
US6529244B1 (en) 1999-12-22 2003-03-04 International Business Machines Corporation Digital video decode system with OSD processor for converting graphics data in 4:4:4 format to 4:2:2 format by mathematically combining chrominance values
US6859235B2 (en) 2001-05-14 2005-02-22 Webtv Networks Inc. Adaptively deinterlacing video on a per pixel basis
US7136417B2 (en) 2002-07-15 2006-11-14 Scientific-Atlanta, Inc. Chroma conversion optimization
US7474355B2 (en) 2003-08-06 2009-01-06 Zoran Corporation Chroma upsampling method and apparatus therefor
US20050129130A1 (en) 2003-12-10 2005-06-16 Microsoft Corporation Color space coding framework
US8942289B2 (en) * 2007-02-21 2015-01-27 Microsoft Corporation Computational complexity and precision control in transform-based digital media codec
ES2357371T3 (es) * 2007-07-05 2011-04-25 Siemens Industry, Inc. Sistema y método de procesamiento de datos de imagen.
CN101742317B (zh) * 2009-12-31 2012-03-28 北京中科大洋科技发展股份有限公司 一种带阿尔法透明通道的视频压缩编码方法
US8625666B2 (en) 2010-07-07 2014-01-07 Netzyn, Inc. 4:4:4 color space video with 4:2:0 color space video encoders and decoders systems and methods

Also Published As

Publication number Publication date
BR112015016316B1 (pt) 2023-04-11
CN104995918A (zh) 2015-10-21
CN104995918B (zh) 2019-05-17
EP2944088B1 (en) 2017-03-15
US20140192261A1 (en) 2014-07-10
EP2944088A1 (en) 2015-11-18
WO2014109998A1 (en) 2014-07-17
BR112015016316A8 (pt) 2017-11-07
US8817179B2 (en) 2014-08-26

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: MICROSOFT TECHNOLOGY LICENSING, LLC (US)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 07/01/2014, OBSERVADAS AS CONDICOES LEGAIS