RU2005107561A - METHOD FOR DETERMINING MOTION VECTORS IN DIRECT PREDICTION MODE FOR B-FRAME - Google Patents

METHOD FOR DETERMINING MOTION VECTORS IN DIRECT PREDICTION MODE FOR B-FRAME Download PDF

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RU2005107561A
RU2005107561A RU2005107561/09A RU2005107561A RU2005107561A RU 2005107561 A RU2005107561 A RU 2005107561A RU 2005107561/09 A RU2005107561/09 A RU 2005107561/09A RU 2005107561 A RU2005107561 A RU 2005107561A RU 2005107561 A RU2005107561 A RU 2005107561A
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motion vector
motion vectors
list
block
reference frame
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RU2005107561/09A
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Russian (ru)
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RU2321966C2 (en
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Байеонг-Мун ДЖЕОН (KR)
Байеонг-Мун Джеон
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Эл Джи Электроникс Инк. (Kr)
Эл Джи Электроникс Инк.
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Publication of RU2321966C2 publication Critical patent/RU2321966C2/en

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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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/17—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 an image region, e.g. an object
    • H04N19/176—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 an image region, e.g. an object the region being a block, e.g. a macroblock
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0658—Radiation therapy using light characterised by the wavelength of light used
    • A61N2005/0659—Radiation therapy using light characterised by the wavelength of light used infrared
    • A61N2005/066—Radiation therapy using light characterised by the wavelength of light used infrared far infrared

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

Claims (13)

1. Способ определения вектора движения для получения векторов движения блока двунаправленного предсказания в системе обработки движущегося изображения, заключающийся в том, что из первого или второго векторов движения смещенного блока для блока двунаправленного предсказания выбирают один в качестве вектора движения для получения векторов движения двунаправленного блока.1. The method of determining the motion vector to obtain the motion vectors of the bidirectional prediction block in the moving image processing system, namely, that one of the first or second motion vectors of the biased block for the bidirectional prediction block is selected as the motion vector to obtain the motion vectors of the bi-directional block. 2. Способ по п.1, в котором первый вектор движения является вектором движения перечня 0, а второй вектор движения является вектором движения перечня 1.2. The method according to claim 1, in which the first motion vector is a motion vector of list 0, and the second motion vector is a motion vector of list 1. 3. Способ по п.2, в котором смещенный блок ассоциирован с опорным кадром перечня 1.3. The method according to claim 2, in which the offset block is associated with a reference frame of list 1. 4. Способ по п.3, в котором далее получают векторы движения блока двунаправленного предсказания по выбранному вектору движения.4. The method according to claim 3, in which further obtain the motion vectors of the bidirectional prediction block for the selected motion vector. 5. Способ по п.1, в котором далее устанавливают опорный кадр, на который ссылается смещенный блок, содержащий выбранный вектор движения, в качестве опорного кадра перечня 0.5. The method according to claim 1, in which the next establish the reference frame, which refers to the offset block containing the selected motion vector, as the reference frame list 0. 6. Способ по п.1, в котором далее получают векторы движения блока двунаправленного предсказания путем масштабирования выбранного вектора движения.6. The method according to claim 1, in which further obtain the motion vectors of the bidirectional prediction block by scaling the selected motion vector. 7. Способ по п.5, в котором далее получают векторы движения блока двунаправленного предсказания путем масштабирования выбранного вектора движения с использованием временного интервала между текущим кадром, содержащим блок двунаправленного предсказания, и опорным кадром перечня 0.7. The method according to claim 5, in which further the motion vectors of the bidirectional prediction block are obtained by scaling the selected motion vector using the time interval between the current frame containing the bidirectional prediction block and the reference frame of list 0. 8. Способ по п.6, в котором векторы движения представляют собой вектор движения MVF перечня 0 и вектор движения MVB перечня 1.8. The method according to claim 6, in which the motion vectors are the motion vector MV F list 0 and the motion vector MV B list 1. 9. Способ по п.1, в котором далее устанавливают опорный кадр, указанный выбранным вектором движения, в качестве опорного кадра перечня 0.9. The method of claim 1, wherein the reference frame indicated by the selected motion vector is further set as the reference frame of list 0. 10. Способ по п.2, в котором далее устанавливают опорный кадр, указанный выбранным вектором движения, в качестве опорного кадра перечня 0.10. The method according to claim 2, in which further establish a reference frame indicated by the selected motion vector, as the reference frame of the list 0. 11. Способ по п.1, в котором далее получают векторы движения для блока двунаправленного предсказания по выбранному вектору движения.11. The method according to claim 1, in which further receive motion vectors for the bidirectional prediction block for the selected motion vector. 12. Способ по п.1, в котором указанный выбор осуществляют при работе декодера в режиме прямого предсказания.12. The method according to claim 1, wherein said selection is made when the decoder is in direct prediction mode. 13. Способ определения вектора движения для получения векторов движения текущего блока двунаправленного предсказания в системе обработки движущегося изображения, заключающийся в том, что из первого или второго векторов движения смещенного блока для текущего блока двунаправленного предсказания, подлежащего обработке, выбирают один в качестве вектора движения для получения векторов движения текущего двунаправленного блок, причем смещенный блок является блоком двунаправленного предсказания; устанавливают опорный кадр, на который ссылается смещенный блок, содержащий выбранный вектор движения, в качестве опорного кадра перечня 0; и получают векторы движения текущего блока двунаправленного предсказания путем масштабирования выбранного вектора движения.13. A method for determining a motion vector for obtaining motion vectors of a current bidirectional prediction block in a moving image processing system, the method being one of the first or second motion vectors of the biased block for the current bi-directional prediction block to be processed, one is selected as the motion vector to obtain motion vectors of the current bi-directional block, the biased block being a bi-directional prediction block; setting a reference frame referenced by the offset block containing the selected motion vector as the reference frame of list 0; and get the motion vectors of the current bidirectional prediction block by scaling the selected motion vector.
RU2005107561/09A 2002-10-04 2005-03-18 Method for determining movement vectors in direct prediction mode for b-frame RU2321966C2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR60742/2002 2002-10-04
KR20020060742 2002-10-04
KR61243/2002 2002-10-08
KR20020061243 2002-10-08
KR71226/2002 2002-11-15

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US8526499B2 (en) 2007-06-15 2013-09-03 Sungkyunkwan University Foundation For Corporate Collaboration Bi-prediction coding method and apparatus, bi-prediction decoding method and apparatus, and recording medium
KR101442608B1 (en) * 2008-02-05 2014-09-25 삼성전자주식회사 Method and apparatus for encoding/decoding image efficiently
KR101377660B1 (en) * 2008-09-30 2014-03-26 에스케이텔레콤 주식회사 Motion Vector Encoding/Decoding Method and Apparatus Using Multiple Motion Vector Estimation and Video Encoding/Decoding Method and Apparatus Using Same
KR101348613B1 (en) 2009-12-23 2014-01-10 한국전자통신연구원 Apparatus and method for image incoding/decoding
KR100978465B1 (en) * 2010-03-19 2010-08-26 성균관대학교산학협력단 Bi-prediction coding method and apparatus, bi-prediction decoding method and apparatus, and recording midium
CN107483946B (en) 2011-11-08 2021-01-12 株式会社Kt Method for decoding video signal by using decoding device

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