xiX - Technical Manual Version 1.3
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The dynamic range can be increased by dividing the integration (exposure time) in two or three phases (slopes), with different
maximum saturation levels. The CB200xG-CM camera supports the dividing in three slopes.
To use this kind of HDR method the user has to define two pairs of parameters: (T1, SL1) and (T2, SL2).
•
T1 and T2 define portions of the total exposure time and the length of the three timing phases.
•
SL1 and SL2 define portions of the sensor saturation, so called kneepoint1 and kneepoint2.
Please note the figure below:
figure 4-12, image saturation example with HDR
Please note the exemplary corresponding positions 1 – 5 in the image with high dynamic range:
figure 4-13, image example with HDR
exposure time
sa
tu
ra
tio
n
le
ve
l
100%
SL2
SL1
T0
T1
T2
phase 1
phase 2
phase 3
1
2
3
4
5
