NDLI: Most frequent mode for intra-mode coding in video coding

Content Provider	IET Digital Library
Author	Yoon, Y. U. Park, D. H. Kim, J. G. Lee, J. Kang, J.
Abstract	The emerging versatile video coding (VVC) standard currently adopts 67 intra-prediction modes in order to improve the intra-prediction performance. The most probable mode (MPM) is used in video coding to encode the prediction mode efficiently based on the modes of the neighbouring blocks. Due to an increase in the number of intra-modes and increase in the resolution of the input sequence, it is necessary to efficiently encode the intra-mode of the current block. This Letter proposes an efficient intra-mode coding method extending MPM called most frequent mode (MFM), which exploits the number of occurrences of the modes in the neighbouring blocks. The proposed MFM derives the most frequent intra-mode. Then the derived MFM is signaled by a flag with a higher priority than MPM. Experimental results show that, compared to the test model of VVC (VTM), the proposed method gives up to 0.48% Bjotegaard-Delta-rate savings for the all-intra-configuration.
Starting Page	188
Ending Page	190
Page Count	3
ISSN	00135194
Volume Number	55
e-ISSN	1350911X
Issue Number	Issue 4, Feb (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/55/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2018.7452
Journal	Electronics Letters
Publisher Date	2019-01-08
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Image And Video Coding Intra-mode Coding Method Intra-prediction Mode Intra-prediction Performance MFM Most Frequent Intra Mode Most Probable Mode MPM Telecommunication Standards Versatile Video Coding Standard Video Coding Video Signal Processing VVC
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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