CHEETAH Hardware User’s Manual
Imperx, Inc.
Rev. 6.2
6421 Congress Ave.
7/7/2015
Boca Raton, FL 33487
+1 (561) 989-0006
51 of 152
12
2.67
1.33
14
2.29
1.14
16
2.00
1.00
18
1.78
NA
20
1.60
NA
22
1.45
NA
24
1.33
NA
26
1.23
NA
28
1.14
NA
30
1.07
NA
32
1.00
NA
Table 2.4
Analog Gain Steps
2.10.2 Digital Domain
– manual control
As mentioned under Analog Domain – manual control, for optimal noise
performance, analog gain should be applied before digital gain. Digital gain is
applied before the application of the user selected target black level. To provide finer
control at lower gain settings, the digital gain step size varies according to Table 2.5
below.
Table 2.5
Digital Gain Range and Step Size
2.11
WIDE DYNAMIC RANGE (WDR)
2.11.1 Overview
The Cheetah cameras introduce an exciting new feature for outdoor and uncontrolled
lighting applications. The extended dynamic range function (or wide dynamic range
function) is applied to each individual pixel. In WDR mode, the camera effectively
varies the exposure time of each individual pixel based on the intensity of the source
