JP7080424B2 - デブロッキングフィルタ制御装置及びプログラム - Google Patents

デブロッキングフィルタ制御装置及びプログラム Download PDF

Info

Publication number
JP7080424B2
JP7080424B2 JP2022512696A JP2022512696A JP7080424B2 JP 7080424 B2 JP7080424 B2 JP 7080424B2 JP 2022512696 A JP2022512696 A JP 2022512696A JP 2022512696 A JP2022512696 A JP 2022512696A JP 7080424 B2 JP7080424 B2 JP 7080424B2
Authority
JP
Japan
Prior art keywords
unit
deblocking filter
parameter
conversion
bit depth
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
JP2022512696A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2021201215A1 (https=
JPWO2021201215A5 (https=
Inventor
俊輔 岩村
慎平 根本
敦郎 市ヶ谷
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.)
Japan Broadcasting Corp
Original Assignee
Japan Broadcasting Corp
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 Japan Broadcasting Corp filed Critical Japan Broadcasting Corp
Publication of JPWO2021201215A1 publication Critical patent/JPWO2021201215A1/ja
Priority to JP2022084865A priority Critical patent/JP7357721B2/ja
Publication of JPWO2021201215A5 publication Critical patent/JPWO2021201215A5/ja
Application granted granted Critical
Publication of JP7080424B2 publication Critical patent/JP7080424B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H04N19/117—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
    • H04N19/136—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
    • H04N19/146—Data rate or code amount at the encoder output
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)
  • Telephone Function (AREA)
  • Detergent Compositions (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
JP2022512696A 2020-04-02 2021-04-01 デブロッキングフィルタ制御装置及びプログラム Active JP7080424B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022084865A JP7357721B2 (ja) 2020-04-02 2022-05-24 デブロッキングフィルタ制御装置及びプログラム

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020067043 2020-04-02
JP2020067043 2020-04-02
PCT/JP2021/014144 WO2021201215A1 (ja) 2020-04-02 2021-04-01 デブロッキングフィルタ制御装置及びプログラム

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2022084865A Division JP7357721B2 (ja) 2020-04-02 2022-05-24 デブロッキングフィルタ制御装置及びプログラム

Publications (3)

Publication Number Publication Date
JPWO2021201215A1 JPWO2021201215A1 (https=) 2021-10-07
JPWO2021201215A5 JPWO2021201215A5 (https=) 2022-06-02
JP7080424B2 true JP7080424B2 (ja) 2022-06-03

Family

ID=77929578

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2022512696A Active JP7080424B2 (ja) 2020-04-02 2021-04-01 デブロッキングフィルタ制御装置及びプログラム
JP2022084865A Active JP7357721B2 (ja) 2020-04-02 2022-05-24 デブロッキングフィルタ制御装置及びプログラム

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2022084865A Active JP7357721B2 (ja) 2020-04-02 2022-05-24 デブロッキングフィルタ制御装置及びプログラム

Country Status (7)

Country Link
US (2) US11595645B2 (https=)
EP (1) EP4131953A4 (https=)
JP (2) JP7080424B2 (https=)
KR (2) KR102741218B1 (https=)
CN (2) CN116132669B (https=)
MX (2) MX2022003395A (https=)
WO (1) WO2021201215A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022105653A (ja) * 2020-04-02 2022-07-14 日本放送協会 デブロッキングフィルタ制御装置及びプログラム

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013064654A1 (en) 2011-11-03 2013-05-10 Panasonic Corporation Efficient rounding for deblocking

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL4135322T3 (pl) * 2011-06-23 2024-11-25 Huawei Technologies Co., Ltd. Urządzenie do dekodowania przesunięcia, urządzenie do kodowania przesunięcia, urządzenie do filtrowania obrazu i struktura danych
US9185404B2 (en) * 2011-10-07 2015-11-10 Qualcomm Incorporated Performing transform dependent de-blocking filtering
US10085020B2 (en) * 2012-04-05 2018-09-25 Telefonaktiebolaget L M Ericsson (Publ) Sample adaptive filtering with offsets
US9591302B2 (en) * 2012-07-02 2017-03-07 Microsoft Technology Licensing, Llc Use of chroma quantization parameter offsets in deblocking
US20150016516A1 (en) * 2013-07-15 2015-01-15 Samsung Electronics Co., Ltd. Method for intra prediction improvements for oblique modes in video coding
CN109792541A (zh) * 2016-10-05 2019-05-21 瑞典爱立信有限公司 用于视频译码的去振铃滤波器
CN116320497A (zh) 2016-11-28 2023-06-23 韩国电子通信研究院 用于滤波的方法和装置
CN114979633B (zh) * 2017-10-09 2023-10-27 佳能株式会社 用于对样本块进行滤波的方法、装置和存储介质
US10616577B2 (en) * 2017-10-16 2020-04-07 Intel Corporation Adaptive video deblocking
WO2019190224A1 (ko) * 2018-03-30 2019-10-03 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
JP2020067043A (ja) 2018-10-25 2020-04-30 中川産業株式会社 エンジンの消音装置の製造方法
CN116132669B (zh) 2020-04-02 2026-04-03 日本放送协会 去块滤波控制装置及程序产品

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013064654A1 (en) 2011-11-03 2013-05-10 Panasonic Corporation Efficient rounding for deblocking

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Benjamin Bross et al.，Versatile Video Coding (Draft 8)，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-Q2001-vE (version 15)，17th Meeting: Brussels, BE，2019年03月，pp.345-351
K. Andersson and J. Enhorn，Non-CE5: Deblocking tC table defined for 10-bit video，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-O0159，15th Meeting: Gothenburg, SE，2019年06月，pp.1-5
Shunsuke Iwamura, Shimpei Nemoto and Atsuro Ichigaya，Cleanup of tC value derivation process for deblocking filter，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-R0130，18th Meeting: by teleconference，2020年04月，pp.1-3

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022105653A (ja) * 2020-04-02 2022-07-14 日本放送協会 デブロッキングフィルタ制御装置及びプログラム
US11991356B2 (en) 2020-04-02 2024-05-21 Nippon Hoso Kyokai Deblocking filter control device and program

Also Published As

Publication number Publication date
KR20220039847A (ko) 2022-03-29
US20220217338A1 (en) 2022-07-07
KR102448226B1 (ko) 2022-09-27
CN114503565B (zh) 2023-03-10
CN114503565A (zh) 2022-05-13
JPWO2021201215A1 (https=) 2021-10-07
EP4131953A1 (en) 2023-02-08
US11595645B2 (en) 2023-02-28
KR20220133321A (ko) 2022-10-04
US20230179765A1 (en) 2023-06-08
EP4131953A4 (en) 2024-05-22
JP7357721B2 (ja) 2023-10-06
CN116132669A (zh) 2023-05-16
BR112022005312A2 (pt) 2022-11-29
JP2022105653A (ja) 2022-07-14
WO2021201215A1 (ja) 2021-10-07
CN116132669B (zh) 2026-04-03
MX2022003395A (es) 2023-03-02
KR102741218B1 (ko) 2024-12-10
MX2023001472A (es) 2023-03-06
US11991356B2 (en) 2024-05-21

Similar Documents

Publication Publication Date Title
US12137254B2 (en) Encoding device, decoding device and program
JP2025124883A (ja) デブロッキングフィルタ装置、復号装置、及びプログラム
US20250097419A1 (en) Encoding device, decoding device and program
JP7080424B2 (ja) デブロッキングフィルタ制御装置及びプログラム
JP7796810B2 (ja) 復号装置及び復号方法
JP7474772B2 (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
WO2021251400A1 (ja) 復号装置及びプログラム

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220323

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220323

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20220323

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20220426

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20220524

R150 Certificate of patent or registration of utility model

Ref document number: 7080424

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250