Dalsa Piranha 2 Series, Руководство пользователя

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39 Piranha 2 User’s Manual
03-032-00493-14 Teledyne DALSA
To read the FPN coefficient, u se the com m and :
Syntax: gfc i
Syntax Elem ents: i
The p ixel nu m ber to read .
Exam p le: gfc 10
3.16 Setting and Reading PRNU Coefficients
You can set or read an individual pixel’s PRNU coefficient.
To set the PRN U coefficient, u se the com m and :
Syntax:
spc i i
Syntax Elem ents: i
The p ixel nu m ber from 1 to the p ixel cou nt.
i
Coefficient valu e in a range from 0 to 511 w here:
512
1
i
PixelPRNU
 
Exam p le:
spc 10 50
To read the PRN U coefficien t, u se the com m and :
Syntax:
gpc i
Syntax Elem ents: i
The p ixel nu m ber to read .
Exam p le: gpc 10
3.17 Generating Test Patterns
The cam era can generate a test p attern to aid in system d ebu gging. Use the com m and
svm 2
to activate the test p attern. The test p attern is a ram p from 0 to 255DN , then starts
at 0 again. Use the test p attern to verify the p rop er tim ing and con nections betw een the
cam era and the fram e grabber.
End-of-line Sequence
To fu rther aid d ebu gging, the cam era can generate an en d -of-line sequ ence. The end -of-
line-sequ ence ou tp u ts "aa", "55", "aa", "line cou nter", "line average", "p ixels above
threshold ", "p ixels below threshold ", "d erivative line su m ". To activate the end -of-line
sequ ence, u se the com m and
els 1
. To d isable the end -of-line sequ ence, u se the
com m and
els 0
.
Use the
sut
an d
slt
com m and s to set thresh old valu es betw een 0 and 255 for 8-bit d ata
m od es, or 0 to 1023 for 10-bit d ata m od es.
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