Region-of-interest based error resilient scheme for HEVC conversational video transmission

doi:10.7523/j.issn.2095-6134.2018.03.018

›› 2018, Vol. 35 ›› Issue (3): 425-431.DOI: 10.7523/j.issn.2095-6134.2018.03.018

Region-of-interest based error resilient scheme for HEVC conversational video transmission

HE Zhitao, ZHANG Can, CHEN Deyuan

School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 101408, China

Received:2017-05-04 Revised:2017-05-31 Online:2018-05-15

Abstract

Abstract: Conversational video coding and transmission on resource-constrained mobile phones has been a key technology. We propose a novel error resilient scheme for conversational video transmission in HEVC which is based on the fast extraction for region-of-interest (ROI) according to skin color, motion, and texture information and adjustments for the ROI weights using the packet-loss rate. The simulation results show that, compared to the random frame refresh method, the proposed scheme improves PSNR of the ROI by at least 0.7dB and reduces coding time by 20%-40% when the video coding and delivery is over the channel with the packet-loss rate of 5%-20%. At the same time the actual bitrate matches the target bitrate.

Key words: conversational video transmission, region of interest, HEVC, human visual system

CLC Number:

TN919.8

HE Zhitao, ZHANG Can, CHEN Deyuan. Region-of-interest based error resilient scheme for HEVC conversational video transmission[J]. , 2018, 35(3): 425-431.

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Region-of-interest based error resilient scheme for HEVC conversational video transmission

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