Graphics Reference
In-Depth Information
Fig. 3. FlexBits in JPEG XR
2.2 JPEG XR Evaluati
Experiments are performed
ing efficiency.
on
d to evaluate the influence of the main parameters on c
cod-
Input.
Five pictures (YUV444,
is used for input in this eval
8bit per channel) extracted from five 4K video sequen
luation shown in Fig. 4.
nces
(1)
(2) (3)
(
Fi
(4) (5)
ig. 4. Five 4K pictures for experiment
Experimental Results.
Tile size
Test condition:
Overlapfilter=1, Trimfle
this chapter.
TileSize=128x128, 512x
exbits=0, these two parameters will be explained later
r in
x512 and 3840x2160.
The rate-distortion result in
lowing graph.
n terms of PSNR on the Y component is shown in the
fol-
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