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12th Meeting: Macao, October 2018 2018-09-28 15:36
CE14: Reduced latency, LUT-free bilateral filter
Authors: J. Ström Ericsson P. Wennersten Ericsson J. Enhorn Ericsson Du Liu Ericsson K. Andersson Ericsson Rickard Sjöberg Ericsson
Abstract
This contribution proposes a modified version of the bilateral filter from JVET-K0274. The main modification is a replacement of the look-up table in JVET-K0247 by a clipped line. This way, it is asserted, no look-up table is used on a per-sample basis. The contribution claims that this reduces the latency introduced by the filter by 21% in the inter case and 9% in the intra case compared to JVET-K0274, according to a clock cycle model described in the paper. Furthermore, 4×4 blocks are not filtered, and the contribution claims that this helps hardware implementation considerations further. The BD-rate figures for an implementation in BMS-2.0.1 running in VTM configuration are reported to be -0.39% / -0.67% / -0.64% for AI/RA/LD respectively. The associated decoder run times are reported to be 104% / 102% / 103%.
Meeting Notes
JVET-L0172 CE14: Reduced latency, LUT-free bilateral filter [J. Ström, P. Wennersten, J. Enhorn, D. Liu, K. Andersson, R. Sjöberg]
References:
JVET-D0069 JVET-E0032 JVET-F0034 JVET-F0096 JVET-J0021 JVET-K0247 JVET-K0274
Cited:
JVET-L0034 JVET-L0615 JVET-L0684 JVET-M0885 JVET-M0898 X
PATENTS:
JP7182056B2 0.71 2022-12-02 US12418355B2 0.34 2025-09-16 CA3156908C 0.32 2024-06-11 US11025928B2 0.30 2021-06-01 KR102868060B1 0.28 2025-10-14 CN108068791B 0.26 2020-11-17 US11842530B2 0.22 2023-12-12 CN111344647B 0.20 2024-08-02
ARCHIVE v2 :
JVET-L0172_v2.docx JVET-L0172_v2_clean.docx result_BMS201_VTMconfig_CE14.1a.xlsm result_BMS201_VTMconfig_CE14.1b.xlsm result_BMS201_VTMconfig_CE14.1c.xlsm
Decisions
JVET-L0172 CE14: Reduced latency, LUT-free bilateral filter [J. Ström, P. Wennersten, J. Enhorn, D. Liu, K. Andersson, R. Sjöberg]
Citation