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I use File, Import, Image Sequence... to inport stacks of medical CT
images (DICOM files).
This works fine but when I place the curser over a point I get a value
for black at zero to 20 or so bone is 1000. Inmages are 16 bit.
When I get values from single images I get black at -900 or so bone at
400 . These I guess are the actual Houndfield Units in the original
image.
I would like to keep these HU when I import rather than a sequence
rather than having then converted.
I used to be able to do this , an plot a histogram with the negative
values retained.
Have I upset some default? How can I import sequences and retail the
value number for each imported imags as is can be seen when I use "open
file" to open a single image?
Hope somebody can help with this one
Fintan McEvoy
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