C2-2040(HS)-GigE Camera Hardware Reference Manual Rev. 1.8 • 31
The FIR Peak Mode (FIR PEAK)
In this mode the first derivative of the intensity Gauss curve of laser beam profile is calculated.
The position of zero-crossing of first derivative is detected and output with subpixel accuracy (up to 6
subpixels). In this case the threshold AOI_TRSH is used to detect the first rising edge of the derived
intensity signal. Valid values of AOI_TRSH range from 513 to 1023 (Mono16).
More details regarding the operation of the FIR Peak mode can be found in a separate application
note.
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