GB2500347A - Apparatus and method of sample adaptive offset for luma and chroma components - Google Patents

Apparatus and method of sample adaptive offset for luma and chroma components Download PDF

Info

Publication number
GB2500347A
GB2500347A GB1311592.8A GB201311592A GB2500347A GB 2500347 A GB2500347 A GB 2500347A GB 201311592 A GB201311592 A GB 201311592A GB 2500347 A GB2500347 A GB 2500347A
Authority
GB
United Kingdom
Prior art keywords
loop filter
luma
filter information
chroma components
processing
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
GB1311592.8A
Other versions
GB2500347B (en
GB201311592D0 (en
Inventor
Chih-Ming Fu
Ching-Yeh Chen
Chia-Yang Tsai
Yu-Wen Huang
Shaw-Min Lei
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MediaTek Inc
Original Assignee
MediaTek 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
Priority claimed from US13/158,427 external-priority patent/US9055305B2/en
Priority claimed from US13/311,953 external-priority patent/US20120294353A1/en
Application filed by MediaTek Inc filed Critical MediaTek Inc
Publication of GB201311592D0 publication Critical patent/GB201311592D0/en
Publication of GB2500347A publication Critical patent/GB2500347A/en
Application granted granted Critical
Publication of GB2500347B publication Critical patent/GB2500347B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N19/85—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
    • 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
    • H04N19/134—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
    • H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving 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
    • H04N19/157—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
    • H04N19/10—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
    • H04N19/182—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 pixel
    • 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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • 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

Landscapes

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

Abstract

A method and apparatus for processing reconstructed video using in-loop filter in a video coding system are disclosed. The method uses chroma in-loop filter indication to indicate whether chroma components are processed by in-loop filter when the luma in-loop filter indication indicates that in-loop filter processing is applied to the luma component. An additional flag may be used to indicate whether the in-loop filter processing is applied to an entire picture using same in-loop filter information or each block of the picture using individual in-loop filter information. Various embodiments according to the present invention to increase efficiency are disclosed, wherein various aspects of in-loop filter information are taken into consideration for efficient coding such as the property of quadtree -based partition, boundary conditions of a block, in-loop filter information sharing between luma and chroma components, indexing to a set of in-loop filter information, and prediction of in-loop filter information..
GB1311592.8A 2011-05-16 2012-02-15 Apparatus and method of sample adaptive offset for luma and chroma components Active GB2500347B (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201161486504P 2011-05-16 2011-05-16
US13/158,427 US9055305B2 (en) 2011-01-09 2011-06-12 Apparatus and method of sample adaptive offset for video coding
US201161498949P 2011-06-20 2011-06-20
US201161503870P 2011-07-01 2011-07-01
US13/311,953 US20120294353A1 (en) 2011-05-16 2011-12-06 Apparatus and Method of Sample Adaptive Offset for Luma and Chroma Components
PCT/CN2012/071147 WO2012155553A1 (en) 2011-05-16 2012-02-15 Apparatus and method of sample adaptive offset for luma and chroma components

Publications (3)

Publication Number Publication Date
GB201311592D0 GB201311592D0 (en) 2013-08-14
GB2500347A true GB2500347A (en) 2013-09-18
GB2500347B GB2500347B (en) 2018-05-16

Family

ID=47176199

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1311592.8A Active GB2500347B (en) 2011-05-16 2012-02-15 Apparatus and method of sample adaptive offset for luma and chroma components

Country Status (5)

Country Link
CN (3) CN105120270B (en)
DE (1) DE112012002125T5 (en)
GB (1) GB2500347B (en)
WO (1) WO2012155553A1 (en)
ZA (1) ZA201305528B (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102656595B1 (en) 2011-06-14 2024-04-12 엘지전자 주식회사 Method for encoding and decoding image information
US9294770B2 (en) 2011-06-24 2016-03-22 Lg Electronics Inc. Image information encoding and decoding method
KR102001259B1 (en) * 2011-06-27 2019-07-17 선 페이턴트 트러스트 Image encoding method, image decoding method, image encoding device, image decoding device, and image encoding/decoding device
RU2581553C2 (en) * 2011-06-28 2016-04-20 Самсунг Электроникс Ко., Лтд. Method for encoding video using bias control according to pixel classification and device therefor, video decoding method and device therefor
JP5907367B2 (en) * 2011-06-28 2016-04-26 ソニー株式会社 Image processing apparatus and method, program, and recording medium
GB201119206D0 (en) 2011-11-07 2011-12-21 Canon Kk Method and device for providing compensation offsets for a set of reconstructed samples of an image
US9936200B2 (en) * 2013-04-12 2018-04-03 Qualcomm Incorporated Rice parameter update for coefficient level coding in video coding process
US10021419B2 (en) 2013-07-12 2018-07-10 Qualcomm Incorported Rice parameter initialization for coefficient level coding in video coding process
JP6094838B2 (en) * 2015-08-31 2017-03-15 ソニー株式会社 Image processing apparatus and method, program, and recording medium
CN107710760A (en) * 2015-10-15 2018-02-16 富士通株式会社 Method for encoding images, device and image processing equipment
US11095922B2 (en) * 2016-08-02 2021-08-17 Qualcomm Incorporated Geometry transformation-based adaptive loop filtering
JP6341304B2 (en) * 2017-02-14 2018-06-13 ソニー株式会社 Image processing apparatus and method, program, and recording medium
US10623738B2 (en) * 2017-04-06 2020-04-14 Futurewei Technologies, Inc. Noise suppression filter
US10531085B2 (en) * 2017-05-09 2020-01-07 Futurewei Technologies, Inc. Coding chroma samples in video compression
US20180359486A1 (en) * 2017-06-07 2018-12-13 Mediatek Inc. Non-local adaptive loop filter processing
CN110662065A (en) * 2018-06-29 2020-01-07 财团法人工业技术研究院 Image data decoding method, image data decoding device, image data encoding method, and image data encoding device
EP3868109A4 (en) 2018-10-23 2022-08-17 HFI Innovation Inc. Method and apparatus for reduction of in-loop filter buffer
WO2020094154A1 (en) * 2018-11-09 2020-05-14 Beijing Bytedance Network Technology Co., Ltd. Improvements for region based adaptive loop filter
JP7256874B2 (en) 2019-03-08 2023-04-12 キヤノン株式会社 adaptive loop filter
CN113711604B (en) 2019-04-20 2023-10-27 北京字节跳动网络技术有限公司 Signaling of chroma and luma syntax elements in video coding
CN115567707A (en) 2019-05-30 2023-01-03 抖音视界有限公司 Adaptive loop filtering of chrominance components
US11930169B2 (en) 2019-06-27 2024-03-12 Hfi Innovation Inc. Method and apparatus of cross-component adaptive loop filtering for video coding
WO2021006624A1 (en) 2019-07-08 2021-01-14 엘지전자 주식회사 Video or image coding applying adaptive loop filter
CN114710977B (en) 2019-07-26 2023-11-24 寰发股份有限公司 Method for video encoding and decoding and apparatus thereof
WO2021025597A1 (en) * 2019-08-07 2021-02-11 Huawei Technologies Co., Ltd. Method and apparatus of sample adaptive offset in-loop filter with application region size constraint
CN118118668A (en) * 2019-08-29 2024-05-31 Lg 电子株式会社 Image compiling device and method based on self-adaptive loop filtering
BR112022004273A2 (en) * 2019-09-11 2022-06-07 Sharp Kk Systems and methods to reduce a reconstruction error in video encoding based on a correlation between components
WO2021101345A1 (en) * 2019-11-22 2021-05-27 한국전자통신연구원 Adaptive in-loop filtering method and device
US11303914B2 (en) 2020-01-08 2022-04-12 Tencent America LLC Method and apparatus for video coding
US11800124B2 (en) 2020-07-28 2023-10-24 Beijing Dajia Internet Information Technology Co., Ltd. Chroma coding enhancement in cross-component sample adaptive offset
US11849117B2 (en) * 2021-03-14 2023-12-19 Alibaba (China) Co., Ltd. Methods, apparatus, and non-transitory computer readable medium for cross-component sample adaptive offset
CN116433783A (en) * 2021-12-31 2023-07-14 中兴通讯股份有限公司 Method and device for video processing, storage medium and electronic device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1944974A1 (en) * 2007-01-09 2008-07-16 Matsushita Electric Industrial Co., Ltd. Position dependent post-filter hints
CN101517909A (en) * 2006-09-15 2009-08-26 飞思卡尔半导体公司 Video information processing system with selective chroma deblock filtering

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8149926B2 (en) * 2005-04-11 2012-04-03 Intel Corporation Generating edge masks for a deblocking filter
CN101375594B (en) * 2006-01-12 2011-09-07 Lg电子株式会社 Processing multiview video
KR101473026B1 (en) * 2007-01-11 2014-12-16 톰슨 라이센싱 Methods and apparatus for using syntax for the coded_block_flag syntax element and the coded_block_pattern syntax element for the cavlc 4:4:4 intra, high 4:4:4 intra, and high 4:4:4 predictive profiles in mpeg-4 avc high level coding
US8938009B2 (en) * 2007-10-12 2015-01-20 Qualcomm Incorporated Layered encoded bitstream structure
DK2663076T3 (en) * 2009-04-20 2016-12-05 Dolby Laboratories Licensing Corp Filter Selection for video preprocessing of video applications
EP2882190B1 (en) * 2011-04-21 2018-11-14 HFI Innovation Inc. Method and apparatus for improved in-loop filtering
US9008170B2 (en) * 2011-05-10 2015-04-14 Qualcomm Incorporated Offset type and coefficients signaling method for sample adaptive offset
KR101826215B1 (en) * 2011-06-23 2018-03-22 후아웨이 테크놀러지 컴퍼니 리미티드 Offset decoding device, offset encoding device, image filter device, and data structure

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101517909A (en) * 2006-09-15 2009-08-26 飞思卡尔半导体公司 Video information processing system with selective chroma deblock filtering
EP1944974A1 (en) * 2007-01-09 2008-07-16 Matsushita Electric Industrial Co., Ltd. Position dependent post-filter hints

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Madhukar Budagavi et al., "Chroma ALF with reduced vertical filter size", Joint CollaborativeTeam on Video Coding (JCT-VC) of ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11, 5th Meeting: Geneva, CH, 16-23 March, 2011, JCTVC-E287, pages 1-6 *

Also Published As

Publication number Publication date
CN103535035A (en) 2014-01-22
GB2500347B (en) 2018-05-16
ZA201305528B (en) 2014-10-29
GB201311592D0 (en) 2013-08-14
CN103535035B (en) 2017-03-15
CN105120270A (en) 2015-12-02
WO2012155553A1 (en) 2012-11-22
CN106028050A (en) 2016-10-12
CN105120270B (en) 2018-09-04
DE112012002125T5 (en) 2014-02-20
CN106028050B (en) 2019-04-26

Similar Documents

Publication Publication Date Title
GB2500347A (en) Apparatus and method of sample adaptive offset for luma and chroma components
PH12014502045A1 (en) Chroma slice-level qp offset and deblocking
WO2013043893A3 (en) Decoded picture buffer management
WO2014052731A3 (en) Cross-plane filtering for chroma signal enhancement in video coding
WO2011126348A3 (en) Method and apparatus for processing video data
EP3257249A4 (en) Method and apparatus of non-square intra prediction for chroma components in coding system with quad-tree and binary-tree partition
IN2014MN02044A (en)
MY180962A (en) Image encoding apparatus and method, and image decoding apparatus and method
MY166482A (en) Determining boundary strength values for deblocking filtering for video coding
EP3220641A3 (en) Method and apparatus for improved in-loop filtering
PH12014502761A1 (en) Method and apparatus for encoding videos sharing sao parameter according to color component
MX2014002529A (en) Low complex deblocking filter decisions.
MX2016001780A (en) Chroma quantization in video coding.
MY187111A (en) Method and apparatus for encoding and decoding image by using large transform unit
MX352966B (en) Image processing device and method.
IN2014CN02075A (en)
MY164266A (en) Method and device for encoding intra prediction mode for image prediction unit, and method and device for decoding intra prediction mode for image prediction unit
MY162381A (en) Encoding or decoding method and apparatus
JP2015506603A5 (en)
WO2011043797A3 (en) Methods and apparatus for adaptive filtering of prediction pixels for chroma components in video encoding and decoding
NZ616358A (en) Method and apparatus for loop filtering cross tile or slice boundaries
MX2014008573A (en) Method and apparatus for signaling and construction of video coding reference picture lists.
WO2014074601A3 (en) Temporal filter for denoising a high dynamic range video
MX339554B (en) Image processing device and method.
WO2015048176A8 (en) Inter-layer prediction for scalable video coding

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20161013 AND 20161019