Digital Signal Processing Reference
In-Depth Information
14000
12000
Depth plane 2
10000
Depth plane 3
8000
6000
Depth plane 1
4000
2000
0
0
50
100
150
Pixel value
200
250
300
Figure 6.14
Identifying depth planes of Breakdancers sequence
14000
12000
Depth plane 3
10000
8000
6000
Depth plane 2
4000
Depth plane 1
2000
0
0
50
100
150
Pixel value
200
250
300
Figure 6.15
Identifying depth planes of the Orbi sequence
CalculatingM
1
:Distortionof theRelativeDistanceinDepthAxis
AmongDepthPlanes
The relationship between the actual depth value
z
and its corresponding
unsigned 8-bit pixel value
m
of the depth map is as follows [20]:
m
255
·
z
=
(
k
near
W
+
k
far
W
)
−
k
far
W
(6.10)
Positive and negative values of
z
mean that the corresponding pixel should
be in front and behind the display respectively.
k
near
and
k
far
specify the range
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