IN2014MN01846A - - Google Patents

Download PDF

Info

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

Links

Classifications

    • 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
    • H04N19/147Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/149Data 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
    • 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
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/172Methods 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
    • 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
    • H04N19/169Methods 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
    • H04N19/18Methods 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 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261623948P 2012-04-13 2012-04-13
US201261624116P 2012-04-13 2012-04-13
US201261623929P 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 (de) 2015-07-03

Family

ID=49325054

Family Applications (1)

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

Country Status (6)

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

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10085024B2 (en) 2012-04-13 2018-09-25 Qualcomm Incorporated Lookup table for rate distortion optimized quantization
WO2014110452A1 (en) 2013-01-11 2014-07-17 Futurewei Technologies Co., Ltd. Method and apparatus of depth prediction mode selection
US9955163B2 (en) * 2013-06-17 2018-04-24 Google Llc Two pass quantization of video data
CN105264888B (zh) * 2014-03-04 2018-09-14 微软技术许可有限责任公司 用于对色彩空间、色彩采样率和/或比特深度自适应切换的编码策略
AU2014385774B2 (en) 2014-03-04 2019-01-17 Microsoft Technology Licensing, Llc Adaptive switching of color spaces, color sampling rates and/or bit depths
WO2015141116A1 (ja) * 2014-03-19 2015-09-24 日本電気株式会社 映像符号化装置、映像符号化方法および映像符号化プログラム
US10116937B2 (en) 2014-03-27 2018-10-30 Microsoft Technology Licensing, Llc Adjusting quantization/scaling and inverse quantization/scaling when switching color spaces
WO2015200822A1 (en) * 2014-06-26 2015-12-30 Huawei Technologies Co., Ltd Method and device for reducing a computational load in high efficiency video coding
WO2016054765A1 (en) 2014-10-08 2016-04-14 Microsoft Technology Licensing, Llc Adjustments to encoding and decoding when switching color spaces
US10136133B2 (en) * 2014-11-11 2018-11-20 Dolby Laboratories Licensing Corporation Rate control adaptation for high-dynamic range images
JP6497100B2 (ja) * 2015-02-09 2019-04-10 沖電気工業株式会社 映像符号化装置、方法及びプログラム
US10356422B2 (en) * 2015-03-06 2019-07-16 Qualcomm Incorporated Fast rate-distortion optimized quantization
KR102251828B1 (ko) * 2015-09-02 2021-05-13 삼성전자주식회사 율―왜곡 최적화 기반의 양자화 방법 및 그 장치
KR102390162B1 (ko) 2015-10-16 2022-04-22 삼성전자주식회사 데이터 인코딩 장치 및 데이터 인코딩 방법
CN107426570B (zh) * 2016-10-28 2020-11-03 福州大学 一种低延迟视频编码的自适应Qp级联方法
CN107426572A (zh) * 2016-12-30 2017-12-01 杭州当虹科技有限公司 一种高效快速的视频编码算法
US10194147B2 (en) * 2017-01-19 2019-01-29 Google Llc DC coefficient sign coding scheme
US10735736B2 (en) * 2017-08-29 2020-08-04 Google Llc Selective mixing for entropy coding in video compression
CN108322749B (zh) * 2018-03-15 2021-03-16 北京数码视讯科技股份有限公司 Rdoq的系数优化方法、rdoq的加速方法及装置
JP7067240B2 (ja) * 2018-04-24 2022-05-16 富士通株式会社 最適化計算方法、最適化計算プログラム及び最適化計算装置
FR3081656A1 (fr) 2018-06-27 2019-11-29 Orange Procedes et dispositifs de codage et de decodage d'un flux de donnees representatif d'au moins une image.
US11936859B2 (en) * 2018-07-02 2024-03-19 Telefonaktiebolaget Lm Ericsson (Publ) Bilateral high frequency boost
EP3657799B1 (de) * 2018-11-22 2020-11-04 Axis AB Verfahren zur intra-refresh-codierung einer vielzahl von einzelbildern
JP7137074B2 (ja) * 2018-12-26 2022-09-14 富士通株式会社 最適化計算方法、最適化計算装置及び最適化計算プログラム
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
EP4013054A4 (de) * 2019-09-06 2022-10-26 Sony Group Corporation Bildverarbeitungsvorrichtung und -verfahren
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
FR3112661B1 (fr) * 2020-07-17 2024-02-02 Fond B Com Procédés de décodage d’un flux de données, dispositifs et flux de données associés
CN113010142B (zh) * 2021-03-23 2023-07-28 广州万协通信息技术有限公司 一种新型脉动结点式标量点乘的双域实现系统及方法
US11425393B1 (en) 2021-06-10 2022-08-23 Meta Platforms, Inc. Hardware optimization of rate calculation in rate distortion optimization for video encoding
US11606568B1 (en) 2021-08-18 2023-03-14 Meta Platforms, Inc. End-of-block detection of quantized transform coefficient matrices in video encoding
CN114786010A (zh) * 2022-03-07 2022-07-22 杭州未名信科科技有限公司 率失真优化量化方法、装置、存储介质及电子设备
CN115022636A (zh) * 2022-06-01 2022-09-06 上海哔哩哔哩科技有限公司 率失真优化量化方法及装置
CN115902611B (zh) * 2022-11-24 2024-03-19 国网四川省电力公司映秀湾水力发电总厂 一种继电器校验方法、装置及校验仪

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5926222A (en) 1995-09-28 1999-07-20 Intel Corporation Bitrate estimator for selecting quantization levels for image encoding
KR101320260B1 (ko) 2004-06-18 2013-10-23 톰슨 라이센싱 비디오 신호 데이터를 인코딩 및 디코딩하기 위한 방법 및 장치
EP1908303A4 (de) 2005-07-01 2011-04-06 Sonic Solutions Verfahren, vorrichtung und system zur verwendung bei der multimediasignalcodierung
US7889790B2 (en) 2005-12-20 2011-02-15 Sharp Laboratories Of America, Inc. Method and apparatus for dynamically adjusting quantization offset values
US8155195B2 (en) 2006-04-07 2012-04-10 Microsoft Corporation Switching distortion metrics during motion estimation
US8130828B2 (en) 2006-04-07 2012-03-06 Microsoft Corporation Adjusting quantization to preserve non-zero AC coefficients
US8582663B2 (en) * 2006-08-08 2013-11-12 Core Wireless Licensing S.A.R.L. Method, device, and system for multiplexing of video streams
US8233545B2 (en) 2006-08-21 2012-07-31 Texas Instruments Incorporated Run length encoding in VLIW architecture
EP2157798A1 (de) 2008-08-18 2010-02-24 Thomson Licensing Verfahren zur Codierung eines Bildes, Verfahren zur Decodierung eines Bildes, Codierer, Decodierer und Signal- bzw. Speichermedium mit dem verschlüsselten Bild
JP2011029954A (ja) * 2009-07-27 2011-02-10 Sony Corp 画像符号化装置と画像符号化方法
US20110255589A1 (en) * 2009-08-03 2011-10-20 Droplet Technology, Inc. Methods of compressing data and methods of assessing the same
US8160136B2 (en) 2009-08-07 2012-04-17 Texas Instruments Incorporated Probabilistic bit-rate and rate-distortion cost estimation for video coding
US8254443B2 (en) 2009-08-28 2012-08-28 Ericsson Television, Inc. Latency rate distortion optimisation
DK2476255T3 (en) 2009-09-10 2018-08-06 Guangdong Oppo Mobile Telecommunications Corp Ltd ACCELERATION TECHNIQUES FOR DISTORTION GRADE OPTIMIZED QUANTIZATION
US8675726B2 (en) 2010-02-18 2014-03-18 Blackberry Limited Method and encoder for constrained soft-decision quantization in data compression
US9313526B2 (en) 2010-02-19 2016-04-12 Skype Data compression for video
JP5423469B2 (ja) 2010-02-23 2014-02-19 沖電気工業株式会社 量子化装置、プログラム及び方法、並びに、動画像符号化装置
US9641846B2 (en) 2010-10-22 2017-05-02 Qualcomm Incorporated Adaptive scanning of transform coefficients for video coding
US8995523B2 (en) * 2011-06-03 2015-03-31 Qualcomm Incorporated Memory efficient context modeling
US20130188013A1 (en) 2011-07-22 2013-07-25 Qualcomm Incorporated Mvc based 3dvc codec supporting inside view motion prediction (ivmp) mode
WO2013103523A1 (en) * 2012-01-04 2013-07-11 Audience, Inc. Image enhancement methods and systems
US10085024B2 (en) 2012-04-13 2018-09-25 Qualcomm Incorporated Lookup table for rate distortion optimized quantization
US10136143B2 (en) * 2012-12-07 2018-11-20 Qualcomm Incorporated Advanced residual prediction in scalable and multi-view video coding

Also Published As

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

Similar Documents

Publication Publication Date Title
IN2014MN01846A (de)
MY190756A (en) Image processing device and method
MY166883A (en) Determining contexts for coding transform coefficient data in video coding
IN2014MN02044A (de)
WO2013158656A3 (en) Uniform granularity for quantization matrix in video coding
PH12017500771B1 (en) Parameter update method for entropy coding and decoding of conversion coefficient level, and entropy coding device and entropy decoding device of conversion coefficient level using same.
MX2016015284A (es) Metodo de conversion y aparato de conversion.
IN2015MN00021A (de)
IN2014MN02210A (de)
MX2017001235A (es) Codificador y decodificador de audio usando un procesador de dominio de frecuencia con un relleno de intervalo de banda completa y un procesador de dominio de tiempo.
IN2013MU02340A (de)
MX2014002749A (es) Metodos y aparato para cuantificacion y descuantificacion de un bloque rectangular de coeficientes.
MX339710B (es) Metodo de codificacion de imagenes, metodo de decodificacion de imagenes, aparato de codificacion de imagenes, aparato de decodificacion de imagenes y aparato de codificacion y decodificacion de imagenes.
MX358538B (es) Sistema y metodo para seleccionar un parametro de cuantificacion (qp) en compresion de flujo de visualizacion (dsc).
MX2013012041A (es) Metodo y aparato para la cuantificacion del nivel de recorte.
WO2013050206A3 (en) Adaptive quantisation for intra-encoded image blocks
MX346732B (es) Cuantificación de señales de audio adaptables por tonalidad de baja complejidad.
EP4035368A4 (de) Verfahren und vorrichtungen für quantisierungs- und dequantisierungsdesign in der videocodierung
TH171863A (th) การควอนไทเซชันสัญญาณเสียงแบบปรับตัวระบบเสียงได้ที่มีความซับซ้อนต่ำ
UA112451C2 (uk) Сигналізація матриць квантування для відеокодування