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A range of useful image processing commands is available within
- ADDI, SUBI, MULI, DIVI
for the combination of two images via the
pixel by pixel application of the specified binary operator.
The result is stored in the next free slot.
- ADDC, MULC
for the addition of, or multiplication by, a constant.
The result overwrites the original.
- SMOOTH applies 2D tophat (default),
gaussian ( /GAUSSIAN) or median ( /MEDIAN)
smoothing to an image.
The size and specification of the filter is prompted for.
This routine operates on the current region unless over-ridden
with the /ALL option.
These might be used for basic calibration such as debiasing and flat-fielding
of the data.