IN2014MN01846A - - Google Patents

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Publication number
IN2014MN01846A
IN2014MN01846A IN1846MUN2014A IN2014MN01846A IN 2014MN01846 A IN2014MN01846 A IN 2014MN01846A IN 1846MUN2014 A IN1846MUN2014 A IN 1846MUN2014A IN 2014MN01846 A IN2014MN01846 A IN 2014MN01846A
Authority
IN
India
Prior art keywords
coefficient
quantized level
initial
computing device
initial quantized
Prior art date
Application number
Other languages
English (en)
Inventor
Yang Yu
Muhammed Zeyd Coban
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 IN2014MN01846A publication Critical patent/IN2014MN01846A/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
    • H04N19/10—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
    • 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
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/18—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 set of transform coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
IN1846MUN2014 2012-04-13 2013-03-14 IN2014MN01846A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261623929P 2012-04-13 2012-04-13
US201261623948P 2012-04-13 2012-04-13
US201261624116P 2012-04-13 2012-04-13
US13/800,155 US9270986B2 (en) 2012-04-13 2013-03-13 Level decision in rate distortion optimized quantization
PCT/US2013/031596 WO2013154747A1 (en) 2012-04-13 2013-03-14 Level decision in rate distortion optimized quantization

Publications (1)

Publication Number Publication Date
IN2014MN01846A true IN2014MN01846A (ja) 2015-07-03

Family

ID=49325054

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1846MUN2014 IN2014MN01846A (ja) 2012-04-13 2013-03-14

Country Status (6)

Country Link
US (2) US10085024B2 (ja)
EP (1) EP2839640B1 (ja)
JP (1) JP6144333B2 (ja)
CN (2) CN104221375B (ja)
IN (1) IN2014MN01846A (ja)
WO (2) WO2013154747A1 (ja)

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CN110365975A (zh) * 2019-06-21 2019-10-22 武汉玉航科技有限公司 一种avs2视频编解码标准优化方案
US11368693B2 (en) 2019-07-01 2022-06-21 Sony Group Corporation Forward and inverse quantization for point cloud compression using look-up tables
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CN111770330B (zh) * 2020-06-10 2022-11-04 北京达佳互联信息技术有限公司 图像压缩方法、装置以及电子设备
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Also Published As

Publication number Publication date
US10085024B2 (en) 2018-09-25
CN104221375A (zh) 2014-12-17
JP6144333B2 (ja) 2017-06-07
US20130272385A1 (en) 2013-10-17
JP2015516761A (ja) 2015-06-11
CN104221377B (zh) 2017-10-31
US9270986B2 (en) 2016-02-23
CN104221375B (zh) 2017-12-08
EP2839640A1 (en) 2015-02-25
EP2839640B1 (en) 2016-08-03
US20130272386A1 (en) 2013-10-17
WO2013154748A1 (en) 2013-10-17
CN104221377A (zh) 2014-12-17
WO2013154747A1 (en) 2013-10-17

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