Multi-loop Quality Scalability based on High Efficiency Video Coding (CROSBI ID 588985)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Van Wallendael, Glenn ; De Cock, Jan ; Van de Walle, Rik ; Mrak, Marta
engleski
Multi-loop Quality Scalability based on High Efficiency Video Coding
Scalable video coding performance largely depends on the underlying single layer coding efficiency. In this paper, the quality scalability capabilities are evaluated on a base of the new High Efficiency Video Coding (HEVC) standard under development. To enable the evaluation, a multi- loop codec has been designed using HEVC. Adaptive inter-layer prediction is realized by including the lower layer in the reference list of the enhancement layer. As a result, adaptive scalability on frame level and on prediction unit level is accomplished. Compared to single layer coding, 19.4% Bjontegaard Delta bitrate increase is measured over approximately a 30dB to 40dB PSNR range. When compared to simulcast, 20.6% bitrate reduction can be achieved. Under equivalent conditions, the presented technique achieves 43.8% bitrate reduction over Coarse Grain Scalability of the SVC - H.264/AVC-based standard.
Quality Scalability; High Efficiency Video Coding (HEVC); Multi-loop Compression
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Podaci o prilogu
445-448.
2012.
objavljeno
Podaci o matičnoj publikaciji
Domański, Marek ; Grajek, Tomasz ; Karwowski, Damian ; Stasiński, Ryszard
Krakov: Institute of Electrical and Electronics Engineers (IEEE)
978-1-4577-2048-2
Podaci o skupu
2012 Picture Coding Symposium, PCS 2012
predavanje
07.05.2012-09.05.2012
Kraków, Poljska