EP4022931A4 - Apparatus and method for performing deblocking - Google Patents

Apparatus and method for performing deblocking Download PDF

Info

Publication number: EP4022931A4
Authority: EP; European Patent Office
Prior art keywords: performing deblocking; deblocking
Prior art date: 2019-09-23
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.): Pending

Application number

EP20870065.8A

Other languages

German (de)

French (fr)

Other versions

EP4022931A1 (en

Inventor

Jeeva Raj A

Sagar KOTECHA

Shailesh Ramamurthy

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.)

Huawei Technologies Co Ltd

Original Assignee

Huawei Technologies Co Ltd

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.)

2019-09-23

Filing date

2020-09-21

Publication date

2023-01-04

2020-09-21 Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd

2022-07-06 Publication of EP4022931A1 publication Critical patent/EP4022931A1/en

2023-01-04 Publication of EP4022931A4 publication Critical patent/EP4022931A4/en

Status Pending legal-status Critical Current

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
- H04N19/70—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)
Compression Or Coding Systems Of Tv Signals (AREA)

EP20870065.8A 2019-09-23 2020-09-21 Apparatus and method for performing deblocking Pending EP4022931A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IN201931038249		2019-09-23
PCT/CN2020/116356 WO2021057629A1 (en)	2019-09-23	2020-09-21	Apparatus and method for performing deblocking

Publications (2)

Publication Number	Publication Date
EP4022931A1 EP4022931A1 (en)	2022-07-06
EP4022931A4 true EP4022931A4 (en)	2023-01-04

Family

ID=75166749

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20870065.8A Pending EP4022931A4 (en)	2019-09-23	2020-09-21	Apparatus and method for performing deblocking

Country Status (2)

Country	Link
EP (1)	EP4022931A4 (en)
WO (1)	WO2021057629A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2024017004A1 (en) *	2022-07-22	2024-01-25	Mediatek Inc.	Reference list reordering in video coding
CN116320467B (en) *	2023-05-19	2023-07-25	山东中科冶金矿山机械有限公司	Geological survey data compression storage method
WO2025162269A1 (en) *	2024-02-03	2025-08-07	Douyin Vision Co., Ltd.	Method, apparatus, and medium for video processing

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20130101031A1 (en) *	2011-10-25	2013-04-25	Qualcomm Incorporated	Determining quantization parameters for deblocking filtering for video coding
US20130259120A1 (en) *	2012-04-03	2013-10-03	Qualcomm Incorporated	Quantization matrix and deblocking filter adjustments for video coding

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8629937B1 (en) *	2012-07-25	2014-01-14	Vixs Systems, Inc	Motion adaptive filter and deinterlacer and methods for use therewith
US9872044B2 (en) *	2013-05-15	2018-01-16	Texas Instruments Incorporated	Optimized edge order for de-blocking filter
EP3571844A1 (en) *	2017-03-23	2019-11-27	Huawei Technologies Co., Ltd.	Apparatus and method for de-blocking filtering
WO2019137749A1 (en) *	2018-01-10	2019-07-18	Telefonaktiebolaget Lm Ericsson (Publ)	Determining filter length for deblocking during encoding and/or decoding of video

2020
- 2020-09-21 EP EP20870065.8A patent/EP4022931A4/en active Pending
- 2020-09-21 WO PCT/CN2020/116356 patent/WO2021057629A1/en not_active Ceased

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20130101031A1 (en) *	2011-10-25	2013-04-25	Qualcomm Incorporated	Determining quantization parameters for deblocking filtering for video coding
US20130259120A1 (en) *	2012-04-03	2013-10-03	Qualcomm Incorporated	Quantization matrix and deblocking filter adjustments for video coding

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"Test Model 4 of Versatile Video Coding (VTM 3)", no. n18275, 24 March 2019 (2019-03-24), XP030212829, Retrieved from the Internet <URL:http://phenix.int-evry.fr/mpeg/doc_end_user/documents/125_Marrakech/wg11/w18275-v2-w18275.zip w18275.docx> [retrieved on 20190324] *
ANDERSSON K ET AL: "Non-CE5: Deblocking based on DMVR refined motion", no. m48250, 20 June 2019 (2019-06-20), XP030205457, Retrieved from the Internet <URL:http://phenix.int-evry.fr/mpeg/doc_end_user/documents/127_Gothenburg/wg11/m48250-JVET-O0158-v1-JVET-O0158.zip JVET-N1001-v8_clean_JVET-O0158.docx> [retrieved on 20190620] *
JEEVA RAJ ARUMUGAM (ITTIAM) ET AL: "Non CE5: DMVR internal edge deblocking without using refined MVs", no. JVET-P0306 ; m50271, 1 October 2019 (2019-10-01), XP030216886, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/16_Geneva/wg11/JVET-P0306-v4.zip JVET-P0306-v4/JVET-P0306-v4.docx> [retrieved on 20191001] *
See also references of WO2021057629A1 *

Also Published As

Publication number	Publication date
WO2021057629A1 (en)	2021-04-01
EP4022931A1 (en)	2022-07-06

Legal Events

Date	Code	Title	Description
2021-04-03	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2022-06-03	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2022-06-03	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2022-07-06	17P	Request for examination filed	Effective date: 20220331
2022-07-06	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2022-12-28	DAV	Request for validation of the european patent (deleted)
2022-12-28	DAX	Request for extension of the european patent (deleted)
2023-01-04	A4	Supplementary search report drawn up and despatched	Effective date: 20221201
2023-01-04	RIC1	Information provided on ipc code assigned before grant	Ipc: H04N 19/70 20140101ALI20221128BHEP Ipc: H04N 19/80 20140101ALI20221128BHEP Ipc: H04N 19/86 20140101AFI20221128BHEP
2024-09-06	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: EXAMINATION IS IN PROGRESS
2024-10-09	17Q	First examination report despatched	Effective date: 20240905

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