Dalsa Piranha3, User Manual

Page: 50 / 91

Piranha 3 User Manual
03-032-10216-02 DALSA
50
Returning PRNU Coefficients
Purpose: Returns a pixel’s PRNU coefficient value in DN (12 bit LSB)
Syntax:
gpc i
Syntax Elements:
i
The pixel number to read in a range from
1
to
sensor
pixel count
.
Example:
gpc 10
Enabling and Disabling Pixel Coefficients
Purpose: Enables and disables FPN and PRNU coefficients.
Syntax:
epc i i
Syntax Elements:
i
FPN coefficients.
0
= FPN coefficients disabled
1
= FPN coefficients enabled
i
PRNU coefficients.
0
= PRNU coefficients disabled
1
= PRNU coefficients enabled
Example:
epc 0 1
3.4.3 End-of-line Sequence
Purpose: Produces an end-of-line sequence that provides basic calculations
including "line counter", "line sum", "pixels above threshold",
"pixels below threshold", and "derivative line sum" within the
region of interest. These basic calculations are used to calibrate
analog offset (
cao
) and calibrate analog gain (
ccg
).
To further aid in debugging and cable/data path integrity, the
first three pixels after Line Valid are "aa", "55", "aa". Refer to the
following table. These statistics refer only to pixels within the
region of interest.
Syntax:
els i
Syntax Elements:
i
0
Disable end-of-line sequence
1
Enable end-of-line sequence
Notes:
•
LVAL is not high during the end-of-line statistics.
Example:
els 1
Table 13: End-of-Line Sequence Description
Location Value Description
1 A’s
2 5’s
By ensuring these values consistently
toggle between "aa" and "55", you can
verify cabling (i.e. no stuck bits)