Teledyne Falcon4 86M User Manual page 64

Enabled Enabled
Dark Row DarkRowSubtractDigitalOffset
Subtract Digital
Offset
Dark Row Defect DarkRowDefectMask
Mask
Dark Row Defect DarkRowDefectThreshold
Threshold
62  Contents
The average of the
DarkRowAverageCurrentFrame and the
previous DarkRowAverageCurrentFrame
is found and then subtracted from all the
image pixels.
VideoOut(x,y) = Raw(X,y) –
(DarkRowAverageCurrentFrame(x)/2 +
DarkRowAveragePreviousFrame(x)/2)
The value entered is added to the 12 bit
data and is used to ensure that the data
leaving the Dark Row Subtract Module is
> 0. This allows for correct FPN coefficient
calculation. (RW)
This is a mask which can exclude any dark
row of the 16 dark rows at the bottom of
the image sensor (row 0 to 15) or at the
top of the image sensor (row 16 to 31).
The bit mask is one hot and rows 0,15,16
and 31 are always marked as excluded.
Mandatory set bits are shown below:
(Bit 31.....Bit0)
Mask = 0x80018001
The value entered is checked against
every dark pixel. If a single pixel is found
to be greater than the threshold, then the
entire row is dynamically excluded from
the DarkRowAverageCurrentFrame.
Falcon4 86M Cameras