IN2014CN02125A - - Google Patents

Info

Publication number
IN2014CN02125A
IN2014CN02125A IN2125CHN2014A IN2014CN02125A IN 2014CN02125 A IN2014CN02125 A IN 2014CN02125A IN 2125CHN2014 A IN2125CHN2014 A IN 2125CHN2014A IN 2014CN02125 A IN2014CN02125 A IN 2014CN02125A
Authority
IN
India
Prior art keywords
transform
block
encoding device
video
video data
Prior art date
Application number
Other languages
English (en)
Inventor
Auwera Geert Van Der
Rajan Laxman Joshi
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 IN2014CN02125A publication Critical patent/IN2014CN02125A/en

Links

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
    • H04N19/102—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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/102—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
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/10—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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

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)
IN2125CHN2014 2011-10-07 2012-10-05 IN2014CN02125A (enrdf_load_stackoverflow)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US201161544960P 2011-10-07 2011-10-07
US201161554260P 2011-11-01 2011-11-01
US201261588480P 2012-01-19 2012-01-19
US201261663469P 2012-06-22 2012-06-22
US201261682167P 2012-08-10 2012-08-10
US201261700167P 2012-09-12 2012-09-12
US13/645,345 US9185404B2 (en) 2011-10-07 2012-10-04 Performing transform dependent de-blocking filtering
PCT/US2012/059010 WO2013052835A2 (en) 2011-10-07 2012-10-05 Performing transform dependent de-blocking filtering

Publications (1)

Publication Number Publication Date
IN2014CN02125A true IN2014CN02125A (enrdf_load_stackoverflow) 2015-05-29

Family

ID=47080829

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2125CHN2014 IN2014CN02125A (enrdf_load_stackoverflow) 2011-10-07 2012-10-05

Country Status (8)

Country Link
US (1) US9185404B2 (enrdf_load_stackoverflow)
EP (2) EP3965417A3 (enrdf_load_stackoverflow)
JP (1) JP2014531879A (enrdf_load_stackoverflow)
KR (1) KR101633197B1 (enrdf_load_stackoverflow)
CN (1) CN103999469B (enrdf_load_stackoverflow)
IN (1) IN2014CN02125A (enrdf_load_stackoverflow)
TW (1) TWI499284B (enrdf_load_stackoverflow)
WO (1) WO2013052835A2 (enrdf_load_stackoverflow)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101418101B1 (ko) * 2009-09-23 2014-07-16 에스케이 텔레콤주식회사 저주파수 성분을 고려한 영상 부호화/복호화 방법 및 장치
US10897625B2 (en) * 2009-11-20 2021-01-19 Texas Instruments Incorporated Block artifact suppression in video coding
US9769472B2 (en) * 2011-08-17 2017-09-19 Mediatek Singapore Pte. Ltd. Method and apparatus for Intra prediction using non-square blocks
EP4436183A3 (en) 2011-11-03 2024-12-04 Sun Patent Trust Efficient rounding for deblocking
US20130114682A1 (en) * 2011-11-07 2013-05-09 Sharp Laboratories Of America, Inc. Video decoder with enhanced sample adaptive offset
CN104160701B (zh) 2012-01-27 2017-06-30 太阳专利托管公司 图像编码方法、图像解码方法、图像编码装置、及图像解码装置
US9591302B2 (en) * 2012-07-02 2017-03-07 Microsoft Technology Licensing, Llc Use of chroma quantization parameter offsets in deblocking
US9414054B2 (en) 2012-07-02 2016-08-09 Microsoft Technology Licensing, Llc Control and use of chroma quantization parameter values
US20140056363A1 (en) * 2012-08-23 2014-02-27 Yedong He Method and system for deblock filtering coded macroblocks
WO2014107121A1 (en) * 2013-01-07 2014-07-10 Telefonaktiebolaget L M Ericsson (Publ) Limiting use of largest transform unit size for intra coding units in inter coded slices of encoded video
US9615086B2 (en) * 2013-02-06 2017-04-04 Research & Business Foundation Sungkyunkwan University Method and apparatus for intra prediction
US20140254659A1 (en) 2013-03-11 2014-09-11 Mediatek Inc. Video coding method using at least evaluated visual quality and related video coding apparatus
US9294766B2 (en) 2013-09-09 2016-03-22 Apple Inc. Chroma quantization in video coding
US10038919B2 (en) 2014-05-29 2018-07-31 Apple Inc. In loop chroma deblocking filter
US20150382016A1 (en) * 2014-06-27 2015-12-31 Mitsubishi Electric Research Laboratories, Inc. Method for Processing Multi-Component Video and Images
US10057578B2 (en) * 2014-10-07 2018-08-21 Qualcomm Incorporated QP derivation and offset for adaptive color transform in video coding
US10142647B2 (en) * 2014-11-13 2018-11-27 Google Llc Alternating block constrained decision mode coding
KR102390407B1 (ko) * 2015-03-18 2022-04-25 한화테크윈 주식회사 디코더 및 디코더에서의 역변환 방법
CN107637078B (zh) * 2015-03-31 2020-05-26 瑞尔数码有限公司 整数变换系数的视频译码系统和方法
CN106470341B (zh) 2015-08-17 2020-10-02 恩智浦美国有限公司 媒体显示系统
WO2017045101A1 (en) * 2015-09-14 2017-03-23 Mediatek Singapore Pte. Ltd. Advanced deblocking filter in video coding
US9693063B2 (en) * 2015-09-21 2017-06-27 Sling Media Pvt Ltd. Video analyzer
US9749686B2 (en) 2015-09-21 2017-08-29 Sling Media Pvt Ltd. Video analyzer
EP3357248B1 (en) 2015-09-30 2021-07-28 RealNetworks, Inc. Layered deblocking filtering in video processing methods
JP6620354B2 (ja) * 2015-09-30 2019-12-18 Kddi株式会社 動画像の処理装置、処理方法及びコンピュータ可読記憶媒体
CN109076243B (zh) * 2016-05-04 2022-01-25 夏普株式会社 用于对变换数据进行编码的系统和方法
CN110024387B (zh) 2016-11-28 2021-10-08 日本放送协会 编码装置、解码装置、编码方法和解码方法
WO2018117895A1 (en) * 2016-12-23 2018-06-28 Huawei Technologies Co., Ltd Mixed domain collaborative in-loop filter for lossy video coding
US10924735B2 (en) * 2016-12-28 2021-02-16 Sony Corporation Image processing apparatus and image processing method
WO2018120230A1 (zh) * 2016-12-30 2018-07-05 华为技术有限公司 图像滤波方法、装置以及设备
KR102847328B1 (ko) * 2017-02-10 2025-08-14 삼성전자주식회사 샘플 적응적 오프셋 처리를 수행하는 영상 처리 장치 및 영상 처리 방법
TWI833248B (zh) * 2017-04-06 2024-02-21 美商松下電器（美國）知識產權公司 解碼方法及編碼方法
TWI832814B (zh) * 2017-04-06 2024-02-21 美商松下電器（美國）知識產權公司 解碼裝置及編碼裝置
US11297351B2 (en) * 2018-03-29 2022-04-05 Arris Enterprises Llc System and method for deblocking HDR content
CN111131821B (zh) * 2018-10-31 2023-05-09 北京字节跳动网络技术有限公司 依赖性量化下的去方块滤波
WO2020180122A1 (ko) * 2019-03-06 2020-09-10 엘지전자 주식회사 조건적으로 파싱되는 alf 모델 및 리셰이핑 모델 기반 비디오 또는 영상 코딩
US10887589B2 (en) 2019-04-12 2021-01-05 Realnetworks, Inc. Block size determination for video coding systems and methods
US11356662B2 (en) * 2019-05-21 2022-06-07 Qualcomm Incorporated Simplification of clipping value calculation for adaptive loop filters
US11252410B2 (en) * 2019-06-11 2022-02-15 Tencent America LLC Method and apparatus for video coding
CN112449183B (zh) * 2019-09-03 2023-05-09 联咏科技股份有限公司 视频编码器、视频解码器以及视频系统
JP6839246B2 (ja) * 2019-09-03 2021-03-03 Kddi株式会社 動画像の処理装置、処理方法及びコンピュータ可読記憶媒体
EP4042692A4 (en) * 2019-10-29 2022-11-30 Beijing Bytedance Network Technology Co., Ltd. COMPONENT ADAPTIVE LOOP FILTER
CA3167088A1 (en) * 2020-02-04 2021-08-12 Anand Meher Kotra An encoder, a decoder and corresponding methods about signaling high level syntax
US11889091B2 (en) * 2020-02-21 2024-01-30 Alibaba Group Holding Limited Methods for processing chroma signals
CN120499385A (zh) * 2020-03-17 2025-08-15 北京三星通信技术研究有限公司 视频编解码的方法和装置
KR102741218B1 (ko) * 2020-04-02 2024-12-10 닛폰 호소 교카이 디블로킹 필터 제어 장치 및 프로그램
US11729381B2 (en) * 2020-07-23 2023-08-15 Qualcomm Incorporated Deblocking filter parameter signaling

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6970206B1 (en) * 2000-04-20 2005-11-29 Ati International Srl Method for deinterlacing interlaced video by a graphics processor
US7227901B2 (en) * 2002-11-21 2007-06-05 Ub Video Inc. Low-complexity deblocking filter
US7167522B2 (en) * 2003-02-27 2007-01-23 Texas Instruments Incorporated Video deblocking filter
JP4262014B2 (ja) * 2003-07-31 2009-05-13 キヤノン株式会社 画像撮影装置および画像処理方法
KR100936034B1 (ko) * 2003-08-11 2010-01-11 삼성전자주식회사 블록 단위로 부호화된 디지털 영상의 블로킹 현상을제거하는 방법 및 그 영상재생장치
CN100345450C (zh) * 2005-01-31 2007-10-24 浙江大学 视频或图像去块滤波的方法和装置
US8149926B2 (en) * 2005-04-11 2012-04-03 Intel Corporation Generating edge masks for a deblocking filter
EP2082580A4 (en) * 2006-11-17 2010-01-13 Lg Electronics Inc METHOD AND DEVICE FOR DECODING / CODING A VIDEO SIGNAL
JP2008182562A (ja) * 2007-01-25 2008-08-07 Matsushita Electric Ind Co Ltd 量子化マトリクスを用いた適応的デブロッキングフィルタリングの方法と装置
JP4901772B2 (ja) * 2007-02-09 2012-03-21 パナソニック株式会社 動画像符号化方法及び動画像符号化装置
JP4847890B2 (ja) 2007-02-16 2011-12-28 パナソニック株式会社 符号化方式変換装置
JP5413810B2 (ja) * 2007-03-14 2014-02-12 日本電気株式会社 光導波路及びその製造方法
US8204129B2 (en) * 2007-03-27 2012-06-19 Freescale Semiconductor, Inc. Simplified deblock filtering for reduced memory access and computational complexity
CN101321277A (zh) * 2007-06-09 2008-12-10 华为技术有限公司 去块效应的方法及装置
US8254455B2 (en) * 2007-06-30 2012-08-28 Microsoft Corporation Computing collocated macroblock information for direct mode macroblocks
US9648325B2 (en) * 2007-06-30 2017-05-09 Microsoft Technology Licensing, Llc Video decoding implementations for a graphics processing unit
US7873746B2 (en) * 2007-07-27 2011-01-18 Lagavulin Limited User interface for a portable, image-processing transmitter
US8537789B2 (en) 2007-08-01 2013-09-17 Harris Corporation Mobile ad-hoc network providing communication latency reduction features and related methods
CN101472172B (zh) * 2007-12-29 2012-04-04 安凯(广州)微电子技术有限公司 一种在视频解码中滤波前期的数据处理方法及解码器
US20090304085A1 (en) 2008-06-04 2009-12-10 Novafora, Inc. Adaptive Deblocking Complexity Control Apparatus and Method
KR20090129926A (ko) 2008-06-13 2009-12-17 삼성전자주식회사 영상 부호화 방법 및 그 장치, 영상 복호화 방법 및 그 장치
US20110080957A1 (en) 2009-10-07 2011-04-07 Vixs Systems, Inc. Encoding adaptive deblocking filter methods for use therewith
US8451896B2 (en) * 2009-10-19 2013-05-28 Hong Kong Applied Science and Technology Research Institute Company Limited Method and apparatus for adaptive quantization in digital video coding
JP2011151431A (ja) * 2009-12-25 2011-08-04 Sony Corp 画像処理装置および方法
KR101457396B1 (ko) 2010-01-14 2014-11-03 삼성전자주식회사 디블로킹 필터링을 이용한 비디오 부호화 방법과 그 장치, 및 디블로킹 필터링을 이용한 비디오 복호화 방법 및 그 장치

Also Published As

Publication number Publication date
WO2013052835A4 (en) 2013-07-25
WO2013052835A2 (en) 2013-04-11
EP2764693A2 (en) 2014-08-13
EP3965417A3 (en) 2022-06-08
US20130094572A1 (en) 2013-04-18
CN103999469A (zh) 2014-08-20
TWI499284B (zh) 2015-09-01
KR20140074979A (ko) 2014-06-18
JP2014531879A (ja) 2014-11-27
CN103999469B (zh) 2017-09-12
EP3965417A2 (en) 2022-03-09
US9185404B2 (en) 2015-11-10
KR101633197B1 (ko) 2016-07-01
WO2013052835A3 (en) 2013-06-06
TW201330628A (zh) 2013-07-16

Similar Documents

Publication Publication Date Title
IN2014CN02125A (enrdf_load_stackoverflow)
EP4366308A3 (en) Methods and devices for emulating low-fidelity coding in a high-fidelity coder
MY191819A (en) Image processing device and image processing method
MY172520A (en) Image processing apparatus and method
EP4319161A3 (en) Encoding method and apparatus
WO2015035449A8 (en) Method, apparatus and system for encoding and decoding video data
EP4250727A3 (en) Method and apparatus for the signaling of lossless video coding
MY190480A (en) Image processing apparatus and method
IN2015DN01842A (enrdf_load_stackoverflow)
MY187111A (en) Method and apparatus for encoding and decoding image by using large transform unit
PH12014502144A1 (en) Transform coefficient coding
MY173210A (en) Mode dependent scanning of coefficients of a block of video data
WO2011126272A3 (en) Method and apparatus for encoding video by using dynamic-range transformation, and method and apparatus for decoding video by using dynamic-range transformation
MX353742B (es) Método y aparato de codificación y decodificación de video de base de unidad de datos jerárquica que comprende la predicción del parámetro de cuantificación.
EP2712201A3 (en) Methods and devices for entropy coding in scalable video compression
EP2985700A3 (en) Video encoding method and device and decoding method and device
WO2013036845A3 (en) Methods and apparatus for quantization and dequantization of a rectangular block of coefficients
EP4451671A3 (en) Method for coding transform coefficient on basis of high frequency zeroing and apparatus therefor
MX2024006845A (es) Metodo de codificacion residual y dispositivo para lo mismo.
WO2012077959A3 (ko) 노이즈성분을 위한 공간영역에서의 영상 부호화/복호화 방법 및 장치
EP3850842A4 (en) METHODS AND DEVICES FOR QUANTIZATION SCALING OF TRANSFORMATION COEFFICIENTS IN A VIDEO CODING SYSTEM
WO2014084671A3 (ko) 트랜스폼을 이용한 영상 부호화/복호화 방법 및 장치