Weighted nearest valid motion vector averaging for spatial motion vector recovery in wireless HD video transmission using H.264 over WLANs

Author

Gatimu, Kevin ; Ben Lee ; Tae-Wook Lee ; Chang-Gone Kim ; Jone-Keun Shin

Author_Institution

Sch. of Electr. Eng. & Comput. Sci., Oregon State Univ., Corvallis, OR, USA

fYear

2013

fDate

23-25 Oct. 2013

Firstpage

1

Lastpage

6

Abstract

High definition (HD) video is the standard of choice for today´s video demands. HD video is characterized by high data rates, but it can be compressed using H.264 and transmitted over 802.11 wireless networks. However, such networks are prone to packet losses, which result in degraded perceptual video quality. It is thus important to perform error concealment. Spatial motion vector recovery is a key error concealment technique. This paper proposes a new spatial motion vector recovery technique called Weighted Nearest Valid Motion Vector Averaging (WNVMVA), which uses properly decoded motion vectors to estimate lost ones.

Keywords

high definition video; telecommunication standards; video coding; wireless LAN; 802.11 wireless networks; H.264; WLAN; WNVMVA; high definition video; key error concealment; packet losses; perceptual video quality; spatial motion vector recovery; weighted nearest valid motion vector averaging; wireless HD video transmission; High definition video; IEEE 802.11 Standards; Interpolation; PSNR; Packet loss; Vectors;

fLanguage

English

Publisher

ieee

Conference_Titel

Network of the Future (NOF), 2013 Fourth International Conference on the

Conference_Location

Pohang

Type

conf

DOI

10.1109/NOF.2013.6724519

Filename

6724519