Chromasens CD40127_R02 allPIXA_pro_User Manual.docx
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1.2 Firmware and software version in this manual
This document refers to the following version:
CST:
Version 2.8.0
Camera:
Packet 3.02
The recent version might have additional functions. Therefore, contact the Chromasens
support.
1.3 List of abbreviations
Abbreviation
Meaning
Explanation
ADC
Analog digital converter
-
CCM
Color conversion matrix
The CCM supports the conversion from,
for example, RGB to sRGB or any user-
defined conversion
CDS
Correlated double sampling
-
CST
Camera setup tool
Chromasens camera parameter
programming software
DSNU
Dark signal non-uniformity
Irregularity in the dark image
DVAL
Data valid
Pixel-by-pixel enable for Camera Link
FVAL
Frame valid
Frame signal for an image on the
Camera Link (corresponds to VSync)
HSync
Horizontal synchronization
Frame signal for a line (corresponds to
LVAL)
LED
Light emitting diode
-
LVAL
Line valid
Frame signal for a line on the Camera
Link (corresponds to HSync)
PRNU
Photo response non-uniformity
Difference in sensitivity of the individual
pixels
ROI
Region of interest
-
SLL
Scan line length
Number of pixels per line
VSync
Vertical synchronization
Frame signal for an image (corresponds
to FVAL)
1.4 Definitions
Chromasens
Other used definitions Explanation
Black-level
correction
Background subtract,
Offset correction
Removes the dark offset from each pixel
Shading
correction
Flat-field correction
Corrects brightness inhomogeneities
resulting from lens, light and non-uniformity
of sensor pixels
RGB line
distance
Line shift;
Spatial correction
The tri-linear sensor has individual pixel
lines for red, green and blue. Inside the
camera the spatial differences are
corrected.
