Dalsa Piranha3, Руководство пользователя

Страница: 44 / 91

Piranha 3 User Manual
03-032-10216-02 DALSA
44
Digital Signal Processing
To optimize camera performance, digital signal processing should be completed after any
analog adjustments.
FPN Correction
Performing FPN Correction
Syntax: Performs FPN correction and eliminates FPN noise by subtracting
away individual pixel dark current.
Syntax:
ccf
Notes:
•
Perform all analog and digital adjustments before
performing FPN correction.
•
Perform FPN correction before PRNU correction.
•
Refer to Calibrating the Camera to Remove Non-Uniformity
(Flat Field Correction)on page 35 for a procedural overview
on performing flat field correction.
Related Commands:
ccp
Example:
ccf
Setting a Pixel’s FPN Coefficient
Purpose: Sets an individual pixel’s FPN coefficient.
Syntax
sfc x i
Syntax Elements:
x
The pixel number from
1
to
sensor pixel count
.
i
Coefficient value in a range from
0
to
2048
(12 bit LSB).
Example:
sfc 10 50