IMAGE CODING/DECODING METHOD AND DEVICE FOR SELECTIVELY SIGNALING FILTER AVAILABILITY INFORMATION, AND METHOD FOR TRANSMITTING BITSTREAM

Title:

IMAGE CODING/DECODING METHOD AND DEVICE FOR SELECTIVELY SIGNALING FILTER AVAILABILITY INFORMATION, AND METHOD FOR TRANSMITTING BITSTREAM

Document Type and Number:

WIPO Patent Application WO/2021/162494

Kind Code:

A1

Abstract:

An image coding/decoding method and device are provided. The image decoding method carried out by the image decoding device, according to the present disclosure, may comprise the steps of: determining the number of tiles in a current picture on the basis that the segmentation of the current picture is not restricted; on the basis that the number of tiles in the current picture is a plurality, acquiring, from a bitstream, a first flag representing whether tile boundary filtering is available; and, on the basis of the value of the first flag, determining whether to carry out filtering for the boundaries of the tiles belonging to the current picture.

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Inventors:

PARK NAE RI (KR)
NAM JUNG HAK (KR)
JANG HYEONG MOON (KR)

Application Number:

PCT/KR2021/001856

Publication Date:

August 19, 2021

Filing Date:

February 15, 2021

Export Citation:

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Assignee:

LG ELECTRONICS INC (KR)

International Classes:

H04N19/117; H04N19/119; H04N19/184; H04N19/186; H04N19/70; H04N19/82

Foreign References:

KR20140085541A	2014-07-07
KR20140081882A	2014-07-01
KR20190113737A	2019-10-08

Other References:

B. BROSS, J. CHEN, S. LIU, Y.-K. WANG: "Versatile Video Coding (Draft 8)", 17. JVET MEETING; 20200107 - 20200117; BRUSSELS; (THE JOINT VIDEO EXPLORATION TEAM OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ), no. JVET-Q2001, 9 February 2020 (2020-02-09), XP030285388
K. ABE (PANASONIC), T. TOMA (PANASONIC), V. DRUGEON (PANASONIC): "AHG12: Loop filter control flag for tile boundary", 16. JVET MEETING; 20191001 - 20191011; GENEVA; (THE JOINT VIDEO EXPLORATION TEAM OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ), no. JVET-P0252 ; m50216, 24 September 2019 (2019-09-24), XP030216694

Attorney, Agent or Firm:

SUNG, Byung Kee (KR)

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