Comparative Study of Near-Lossless Compression by JPEG XR, JPEG 2000, and H.264 on 4K Video Sequences - Advances in Image and Graphics Technologies - page 38

Fi ig. 10. Average PSNR of 5 sequences

Table e 4. Bit-rate at 40dB of 7 coding methods

Inter/Intra Bit-rate [Mbps]

at 40dB (Near-lossless coding)

AVC Inter(N=15) Inter 136

AVC-IPP Inter 150

AVC-IP Inter 160

AVC-Intra Intra 200

JPEG 2000 Intra 133

JPEG XR (OF=1) Intra 140

JPEG XR (OF=0) Intra 187

In the condition of high q quality compression, it can be seen from Fig. 10 that:

─ At 40dB point, the top 3
(OF=1), provide compar
material used to carry ou
─ Above the 40dB point, t
others obviously
─ JPEG XR OF1 outperfo
over 41.5dB

3 methods, including AVC Inter, JPEG 2000 and JPEG
rable compression efficiency for the conditions and the
ut the experiments, like the result in [7].
the AVC inter, JPEG 2000 and JPEG XR OF1 outperfo

XR
test

orm

rms AVC inter over 40.3 dB and outperforms JPEG 20 000