IN2014MN02146A - - Google Patents

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Publication number
IN2014MN02146A
IN2014MN02146A IN2146MUN2014A IN2014MN02146A IN 2014MN02146 A IN2014MN02146 A IN 2014MN02146A IN 2146MUN2014 A IN2146MUN2014 A IN 2146MUN2014A IN 2014MN02146 A IN2014MN02146 A IN 2014MN02146A
Authority
IN
India
Prior art keywords
determining
transform
transforms
square transforms
partitioning structure
Prior art date
Application number
Other languages
English (en)
Inventor
Liwei Guo
Xianglin Wang
Marta Karczewicz
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of IN2014MN02146A publication Critical patent/IN2014MN02146A/en

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Classifications

    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/60—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
    • H04N19/619—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding the transform being operated outside the prediction loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
IN2146MUN2014 2012-04-16 2013-04-16 IN2014MN02146A (enExample)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201261625038P 2012-04-16 2012-04-16
US201261637220P 2012-04-23 2012-04-23
US13/863,266 US9912944B2 (en) 2012-04-16 2013-04-15 Simplified non-square quadtree transforms for video coding
PCT/US2013/036791 WO2013158650A1 (en) 2012-04-16 2013-04-16 Simplified non-square quadtree transforms for video coding

Publications (1)

Publication Number Publication Date
IN2014MN02146A true IN2014MN02146A (enExample) 2015-08-21

Family

ID=49325052

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2146MUN2014 IN2014MN02146A (enExample) 2012-04-16 2013-04-16

Country Status (7)

Country Link
US (1) US9912944B2 (enExample)
EP (1) EP2839649B1 (enExample)
JP (1) JP2015516769A (enExample)
KR (1) KR101723280B1 (enExample)
CN (1) CN104285447B (enExample)
IN (1) IN2014MN02146A (enExample)
WO (1) WO2013158650A1 (enExample)

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US10298895B1 (en) * 2018-02-15 2019-05-21 Wipro Limited Method and system for performing context-based transformation of a video
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WO2019194463A1 (ko) * 2018-04-01 2019-10-10 엘지전자 주식회사 영상의 처리 방법 및 이를 위한 장치
US10972758B2 (en) * 2018-04-02 2021-04-06 Qualcomm Incorporated Multi-type-tree framework for transform in video coding
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KR20210007987A (ko) * 2018-05-14 2021-01-20 인터디지털 브이씨 홀딩스 인코포레이티드 쿼드트리-이진 트리에 대한 블록 형상 적응적 인트라 예측 방향들
KR20260006052A (ko) 2018-07-16 2026-01-12 인터디지털 브이씨 홀딩스 인코포레이티드 광각 인트라 예측 및 위치 의존적 인트라 예측 조합
US10743029B2 (en) * 2018-07-30 2020-08-11 Tencent America LLC Constraints on coding unit partition
US11323748B2 (en) * 2018-12-19 2022-05-03 Qualcomm Incorporated Tree-based transform unit (TU) partition for video coding
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Also Published As

Publication number Publication date
KR20150003324A (ko) 2015-01-08
JP2015516769A (ja) 2015-06-11
CN104285447A (zh) 2015-01-14
CN104285447B (zh) 2018-04-27
US9912944B2 (en) 2018-03-06
WO2013158650A1 (en) 2013-10-24
US20130272381A1 (en) 2013-10-17
EP2839649B1 (en) 2016-06-01
EP2839649A1 (en) 2015-02-25
KR101723280B1 (ko) 2017-04-04

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