Spyder 3 Camera User's Manual GigE Dual Line - Frame Grabbers
Spyder 3 Camera User's Manual GigE Dual Line - Frame Grabbers Spyder 3 Camera User's Manual GigE Dual Line - Frame Grabbers
96 Spyder 3 GigE User Manual ASCII Commands: Reference Parameters: t = tap id i = integer value f = float m = member of a set s = string x = pixel column number y = pixel row number The following table lists all of the camera’s available ASCII commands. Refer to Appendix A for detailed information on using these ASCII commands. Table 14: Command Quick Reference Mnemonic Syntax Parameters Description calibrate analog offset cao t i Calibrates the analog gain and averages each tap’s pixels within the ROI to the specified average target value. t = tap selection, either 1 or 2 depending on camera model, or 0 for all taps i = target value in a range from 1 to 255DN (12 bit LSB) correction calibrate fpn ccf Performs FPN calibration and eliminates FPN noise by subtracting away individual pixel dark current. calculate camera gain ccg i t i Calculates the camera gain according to the selected algorithm. i = Calibration algorithm to use. 1 = This algorithm adjusts analog gain so that 8% to 13% of tap ROI pixels are above the specified target value. 2 = This algorithm adjusts analog gain so that the average pixel value in tap’s ROI is equal to the specified target value. 3 = This algorithm adjusts digital gain so that the average pixel value in tap’s ROI is equal to the specified target. 4= This algorithm adjusts the analog gain so that the peak tap ROI pixels are adjusted to the specified target. t = Tap value. Use 0 for all taps or 1 or 2 for individual tap selection depending on camera model. i = Calibration target value in a range from 1024 to 4055DN (12 bit LSB). correction calibrate prnu ccp Performs PRNU calibration and eliminates the difference in responsivity between the most and least sensitive pixel creating a uniform response to light. 03-032-10158-06 DALSA
Spyder 3 GigE User’s Manual 97 Mnemonic Syntax Parameters Description calculate PRNU algorithm cpa i i Performs PRNU calibration according to the selected algorithm. The first parameter is the algorithm where i is: 1 = This algorithm first adjusts each tap’s analog gain so that 8-13% of pixels within a tap are above the value specified in the target value parameter. PRNU calibration then occurs using the peak pixel in the region of interest. (Identical to ccp) 2 = Calculates the PRNU coefficients using the entered target value as shown below: PRNU Coefficient = Target (AVG Pixel Value) - (FPN+ sdo value) The calculation is performed for all sensor pixels but warnings are only applied to pixels in the region of interest. This algorithm is useful for achieving uniform output across multiple cameras. 3 = This algorithm includes an analog gain adjustment prior to PRNU calibration. Analog gain is first adjusted so that the peak pixel value in tap’s ROI is within 97 to 99% of the specified target value. It then calculates the PRNU coefficients using the target value as shown below: Target PRNU Coefficient = i (AVG Pixel Value ) ‐ (FPN + sdo value) i i The calculation is performed for all sensor pixels but warnings are only applied to pixels in the region of interest. This algorithm is useful for achieving uniform output across multiple cameras. The second parameter is the target value to use in a range from 1024 to 4055DN. correction set sample css m Sets the number of lines to sample when using the gla command or when performing FPN and PRNU calibration where m is 256, 512, or 1024 display gpio configuration dgc Displays the current configuration of the GPIO connector. display pixel coeffs dpc x1 x2 Displays the pixel coefficients in the order FPN, PRNU, FPN, PRNU, … x1 = Pixel start number x2= Pixel end number in a range from 1 to 1024 or 2048 DALSA 03-032-10158-06
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<strong>Spyder</strong> 3 <strong>GigE</strong> User’s <strong>Manual</strong><br />
97<br />
Mnemonic Syntax Parameters Description<br />
calculate PRNU<br />
algorithm<br />
cpa i i Performs PRNU calibration according<br />
to the selected algorithm.<br />
The first parameter is the algorithm<br />
where i is:<br />
1 = This algorithm first adjusts each<br />
tap’s analog gain so that 8-13% of pixels<br />
within a tap are above the value<br />
specified in the target value parameter.<br />
PRNU calibration then occurs using the<br />
peak pixel in the region of interest.<br />
(Identical to ccp)<br />
2 = Calculates the PRNU coefficients<br />
using the entered target value as shown<br />
below:<br />
PRNU Coefficient =<br />
Target<br />
(AVG Pixel Value) - (FPN+ sdo value) The<br />
calculation is performed for all sensor<br />
pixels but warnings are only applied to<br />
pixels in the region of interest. This<br />
algorithm is useful for achieving<br />
uniform output across multiple<br />
cameras.<br />
3 = This algorithm includes an analog<br />
gain adjustment prior to PRNU<br />
calibration. Analog gain is first adjusted<br />
so that the peak pixel value in tap’s ROI<br />
is within 97 to 99% of the specified<br />
target value. It then calculates the<br />
PRNU coefficients using the target<br />
value as shown below:<br />
Target<br />
PRNU Coefficient =<br />
i<br />
(AVG Pixel Value ) ‐ (FPN + sdo value)<br />
i i<br />
The calculation is performed for all<br />
sensor pixels but warnings are only<br />
applied to pixels in the region of<br />
interest. This algorithm is useful for<br />
achieving uniform output across<br />
multiple cameras.<br />
The second parameter is the target<br />
value to use in a range from 1024 to<br />
4055DN.<br />
correction set sample css m Sets the number of lines to sample<br />
when using the gla command or when<br />
performing FPN and PRNU calibration<br />
where m is 256, 512, or 1024<br />
display gpio<br />
configuration<br />
dgc<br />
Displays the current configuration of<br />
the GPIO connector.<br />
display pixel coeffs dpc x1 x2 Displays the pixel coefficients in the<br />
order FPN, PRNU, FPN, PRNU, …<br />
x1 = Pixel start number<br />
x2= Pixel end number<br />
in a range from 1 to 1024 or 2048<br />
DALSA 03-032-10158-06