DIMD histogram adjustment for screen content coding

Muho Cheon; Bumyoon Kim; Byeungwoo Jeon

doi:10.1117/12.3019353

2 May 2024 DIMD histogram adjustment for screen content coding

Muho Cheon, Bumyoon Kim, Byeungwoo Jeon

Proceedings Volume 13164, International Workshop on Advanced Imaging Technology (IWAIT) 2024; 131642M (2024) https://doi.org/10.1117/12.3019353
Event: International Workshop on Advanced Imaging Technology (IWAIT) 2024, 2024, Langkawi, Malaysia

Abstract

In this paper, we investigate on enhancing the coding performance of DIMD (Decoder-Side Intra Mode Derivation), one of the intra prediction tools under consideration for next generation video coding standard beyond VVC capability, for a screen content video which is often referred to as computer-generated video. We note that the combination of the intra-predictors of the planar mode and the directional modes derived based on the histogram of gradients (HoG) in current DIMD can result in a blurry predictor and it can be specially a problem for screen content video that typically has many sharp edges, and in this context we devise a novel way of generating a sharper intra-predictor by emphasizing dominant directional modes and their neighboring modes in DIMD. Compared to the existing DIMD in the test model, ECM 10.0 under the all intra configuration, we observe coding performance improvements of -0.02%, 0.05%, and -0.02% respectively in the Y, Cb, and Cr channels for the class F, and -0.01%, 0.01%, and -0.09% for the class TGM.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Muho Cheon, Bumyoon Kim, and Byeungwoo Jeon "DIMD histogram adjustment for screen content coding", Proc. SPIE 13164, International Workshop on Advanced Imaging Technology (IWAIT) 2024, 131642M (2 May 2024); https://doi.org/10.1117/12.3019353

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members: $17.00

Non-members: $21.00 ADD TO CART

PROCEEDINGS
5 PAGES

DOWNLOAD PAPER SAVE TO MY LIBRARY

GET CITATION

RIGHTS & PERMISSIONS

Get copyright permission Get copyright permission on Copyright Marketplace

KEYWORDS

Displays

Video

Video coding

Histograms of oriented gradient

Histograms

Video compression

Visualization

Keywords/Phrases

Search In:

Publication Years