Digital Signal Processing - Dalsa Spyder 3 GigE SG-10-01k80-00-R User Manual

74

Digital Signal Processing

To optimize camera performance, digital signal processing should be completed after any
analog adjustments.
FPN Correction
Performing FPN Correction
Syntax:
Syntax:
Notes:
Related Commands:
Example:
Setting a Pixel's FPN Coefficient
Purpose:
Syntax
Syntax Elements:
Example:
03-032-10158-09
Performs FPN correction and eliminates FPN noise by subtracting
away individual pixel dark current.
ccf
•
Perform all analog and digital adjustments before
performing FPN correction.
•
Perform FPN correction before PRNU correction.
•
Refer to C alibrating the Camera to Remove Non-Uniformity
2 8 5 H
(Flat Field Correction)on page
on performing flat field correction.
•
To save FPN coefficients after calibration, use the
command. Refer to section
PRNU and FPN Coefficients for details.
•
The QuickCam software that ships with the Spyder 3 GigE
camera has a flat field correction wizard. For easy flat field
correction, use the wizard located on the Calibration tab.
c cp, w fc
8 5 H 8 6 H
ccf
Sets an individual pixel's FPN coefficient.
sfc x i
x
The pixel number from 1 to sensor pixel count .
i
Coefficient value in a range from 0 to 2047 (12 bit LSB).
sfc 10 50
Spyder 3 GigE User Manual
7 1 for a procedural overview
2 8 6 H
w fc
8 4 H
A 3.1 Saving and Restoring
2 8 7 H
DALSA