Just Noticeable Distortion-Based Perceptual Rate Control in HEVC

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journal

View graph of relations

Author(s)

Detail(s)

Original languageEnglish
Article number9130045
Pages (from-to)7603-7614
Journal / PublicationIEEE Transactions on Image Processing
Volume29
Online published30 Jun 2020
Publication statusPublished - 2020

Abstract

In this paper, we propose a just noticeable distortion (JND)-ased perceptual rate control method for high efficiency video coding (HEVC). First, the JND factor of a coding unit has been mathematically shown to be an approximation of the average pixel-level JND weight, which means that it can also be used as a weight for bitrate allocation. Second, rate-distortion (R-D) modelling is conducted based on the JND factor. Finally, the proposed R-D model is integrated into an existing rate control framework to improve the coding efficiency, and the proposed algorithm is implemented in the newest video coding standard. As the experimental results reveal, compared with HEVC reference software, our algorithm achieves significantly improved coding performance, subjective coding quality and bitrate accuracy.

Research Area(s)

  • Human visual perception, JND, HEVC, perceptual rate control