FILTER SHAPE SWITCH FOR ADAPTIVE LOOP FILTER IN VIDEO CODING

Title:

FILTER SHAPE SWITCH FOR ADAPTIVE LOOP FILTER IN VIDEO CODING

Document Type and Number:

WIPO Patent Application WO/2023/213298

Kind Code:

A1

Abstract:

A mechanism for processing video data is disclosed. A filter is applied to a video unit. The filter employs an extended tap for a first sample in the video unit and a spatial tap for a second sample in the video unit. A conversion is performed between a visual media data and a bitstream based on the video unit.

Inventors:

YIN WENBIN (CN)
ZHANG KAI (US)
ZHANG LI (US)

Application Number:

PCT/CN2023/092264

Publication Date:

November 09, 2023

Filing Date:

May 05, 2023

Export Citation:

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Assignee:

BEIJING BYTEDANCE NETWORK TECH CO LTD (CN)
BYTEDANCE INC (US)

International Classes:

H04N19/117

Domestic Patent References:

WO2021088835A1

2021-05-14

Foreign References:

US20120189064A1	2012-07-26
CN114009018A	2022-02-01
US6519369B1	2003-02-11

Other References:

W. YIN (BYTEDANCE), K. ZHANG (BYTEDANCE), Y. LI, H. LIU, L. ZHANG (BYTEDANCE): "Non-EE2: Spatial-Temporal Adaptive Loop Filter", 25. JVET MEETING; 20220112 - 20220121; TELECONFERENCE; (THE JOINT VIDEO EXPLORATION TEAM OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ), 18 January 2022 (2022-01-18), XP030300511
W. YIN (BYTEDANCE), K. ZHANG (BYTEDANCE), L. ZHANG (BYTEDANCE), N. HU (QUALCOMM), V. SEREGIN, M. KARCZEWICZ (QUALCOMM), M. G. SARW: "EE2-5.2: Adaptive Filter Shape Selection for ALF", 25. JVET MEETING; 20220112 - 20220121; TELECONFERENCE; (THE JOINT VIDEO EXPLORATION TEAM OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ), 13 January 2022 (2022-01-13), XP030300509

Attorney, Agent or Firm:

LIU , SHEN & ASSOCIATES (CN)

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