KR102550503B1 - 부호화 장치, 복호 장치, 및 프로그램 - Google Patents

부호화 장치, 복호 장치, 및 프로그램 Download PDF

Info

Publication number
KR102550503B1
KR102550503B1 KR1020217041741A KR20217041741A KR102550503B1 KR 102550503 B1 KR102550503 B1 KR 102550503B1 KR 1020217041741 A KR1020217041741 A KR 1020217041741A KR 20217041741 A KR20217041741 A KR 20217041741A KR 102550503 B1 KR102550503 B1 KR 102550503B1
Authority
KR
South Korea
Prior art keywords
block
transform
filter
unit
blocks
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.)
Active
Application number
KR1020217041741A
Other languages
English (en)
Korean (ko)
Other versions
KR20220024120A (ko
Inventor
슌스케 이와무라
šœ스케 이와무라
아츠로 이치가야
심페이 네모토
Original Assignee
닛폰 호소 교카이
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 닛폰 호소 교카이 filed Critical 닛폰 호소 교카이
Priority to KR1020237021738A priority Critical patent/KR102845645B1/ko
Publication of KR20220024120A publication Critical patent/KR20220024120A/ko
Application granted granted Critical
Publication of KR102550503B1 publication Critical patent/KR102550503B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86Methods 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
    • 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/176Methods 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
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Vehicle Body Suspensions (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
KR1020217041741A 2019-06-25 2020-06-23 부호화 장치, 복호 장치, 및 프로그램 Active KR102550503B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020237021738A KR102845645B1 (ko) 2019-06-25 2020-06-23 부호화 장치, 복호 장치, 및 프로그램

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019117924 2019-06-25
JPJP-P-2019-117924 2019-06-25
PCT/JP2020/024676 WO2020262409A1 (ja) 2019-06-25 2020-06-23 符号化装置、復号装置、及びプログラム

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020237021738A Division KR102845645B1 (ko) 2019-06-25 2020-06-23 부호화 장치, 복호 장치, 및 프로그램

Publications (2)

Publication Number Publication Date
KR20220024120A KR20220024120A (ko) 2022-03-03
KR102550503B1 true KR102550503B1 (ko) 2023-06-30

Family

ID=74060609

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020217041741A Active KR102550503B1 (ko) 2019-06-25 2020-06-23 부호화 장치, 복호 장치, 및 프로그램
KR1020237021738A Active KR102845645B1 (ko) 2019-06-25 2020-06-23 부호화 장치, 복호 장치, 및 프로그램

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020237021738A Active KR102845645B1 (ko) 2019-06-25 2020-06-23 부호화 장치, 복호 장치, 및 프로그램

Country Status (6)

Country Link
US (2) US11647233B2 (https=)
EP (1) EP3993415A4 (https=)
JP (2) JP7069421B2 (https=)
KR (2) KR102550503B1 (https=)
CN (2) CN118018731A (https=)
WO (1) WO2020262409A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017030199A1 (ja) * 2015-08-20 2017-02-23 日本放送協会 画像符号化装置、画像復号化装置、及びこれらのプログラム
KR101716270B1 (ko) * 2015-12-03 2017-03-14 한국과학기술원 전방 지면 상태 추정 장치 및 방법
KR102550503B1 (ko) * 2019-06-25 2023-06-30 닛폰 호소 교카이 부호화 장치, 복호 장치, 및 프로그램

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170127090A1 (en) * 2014-05-29 2017-05-04 Canon Kabushiki Kaisha Method, apparatus and system for de-blocking a block of video samples

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110125153A (ko) * 2010-05-12 2011-11-18 에스케이 텔레콤주식회사 영상의 필터링 방법 및 장치와 그를 이용한 부호화/복호화를 위한 방법 및 장치
KR20140005296A (ko) * 2011-06-10 2014-01-14 미디어텍 인크. 스케일러블 비디오 코딩의 방법 및 장치
WO2012167711A1 (en) * 2011-06-10 2012-12-13 Mediatek Inc. Method and apparatus of scalable video coding
TWI627857B (zh) * 2012-06-29 2018-06-21 新力股份有限公司 Image processing device and method
KR102294016B1 (ko) * 2014-12-05 2021-08-25 성균관대학교산학협력단 변환생략을 참조하는 디블록킹 필터링을 이용한 영상의 부호화/복호화 방법 및 이를 이용하는 장치
TW201642655A (zh) * 2015-04-21 2016-12-01 Vid衡器股份有限公司 基於藝術意向之視訊編碼
US9967577B2 (en) * 2015-08-31 2018-05-08 Microsoft Technology Licensing, Llc Acceleration interface for video decoding
US10924735B2 (en) 2016-12-28 2021-02-16 Sony Corporation Image processing apparatus and image processing method
KR20190100980A (ko) 2017-12-27 2019-08-30 캐논 톡키 가부시키가이샤 정전척, 성막장치, 기판흡착방법, 성막방법, 및 전자 디바이스의 제조방법
US11902510B2 (en) * 2019-05-30 2024-02-13 Hfi Innovation Inc. Video processing methods and apparatuses for determining deblocking filter decision in video coding systems
KR102550503B1 (ko) * 2019-06-25 2023-06-30 닛폰 호소 교카이 부호화 장치, 복호 장치, 및 프로그램

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170127090A1 (en) * 2014-05-29 2017-05-04 Canon Kabushiki Kaisha Method, apparatus and system for de-blocking a block of video samples

Also Published As

Publication number Publication date
US20230239514A1 (en) 2023-07-27
WO2020262409A1 (ja) 2020-12-30
CN114051727B (zh) 2024-03-29
US11647233B2 (en) 2023-05-09
JP7069421B2 (ja) 2022-05-17
EP3993415A4 (en) 2023-05-31
CN114051727A (zh) 2022-02-15
KR20230098729A (ko) 2023-07-04
EP3993415A1 (en) 2022-05-04
JP2022093657A (ja) 2022-06-23
US20220116665A1 (en) 2022-04-14
KR102845645B1 (ko) 2025-08-12
KR20220024120A (ko) 2022-03-03
JPWO2020262409A1 (https=) 2020-12-30
JP7130890B2 (ja) 2022-09-05
US12137254B2 (en) 2024-11-05
CN118018731A (zh) 2024-05-10

Similar Documents

Publication Publication Date Title
WO2018061588A1 (ja) 画像符号化装置、画像符号化方法、及び画像符号化プログラム、並びに、画像復号装置、画像復号方法、及び画像復号プログラム
JP7130890B2 (ja) 符号化装置、復号装置、及びプログラム
US20250097419A1 (en) Encoding device, decoding device and program
JP7796810B2 (ja) 復号装置及び復号方法
JP7357721B2 (ja) デブロッキングフィルタ制御装置及びプログラム
JP7474772B2 (ja) 符号化装置、復号装置、及びプログラム
JP7531683B2 (ja) 符号化装置、復号装置、及びプログラム
JP7544722B2 (ja) 符号化装置、復号装置、及びプログラム

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20211220

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20221007

Comment text: Request for Examination of Application

PA0302 Request for accelerated examination

Patent event date: 20221007

Patent event code: PA03022R01D

Comment text: Request for Accelerated Examination

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20230106

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20230329

A107 Divisional application of patent
PA0104 Divisional application for international application

Comment text: Divisional Application for International Patent

Patent event code: PA01041R01D

Patent event date: 20230627

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20230628

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20230628

End annual number: 3

Start annual number: 1

PG1601 Publication of registration