Oldal 75 [75]
Workflow for the capture of visible-reflected (VIS ) images
Equipment requirements:
e Camera
e Visible/IR radiation sources
e Visible bandpass filter (e.g. IDAS_UIBAR)
e Macbeth colour chart (X-Rite ColourChecker)
e Spectralon diffuse reflectance grey scale or any number of Spectralon diffuse
reflectance standards as available (required for comparison to IRR/UVR images and
post-processing of luminescence images).
Set-up
1) Position the visible/IR radiation sources and the camera as shown in Figure 2-22 and
according to the recommendations in section b.
Object
IR
IR
Reflected IR
h
Visible/IR light
source
a
Reflected Visible
Visible bandpass filter (e.g. IDAS-UIBAR)
2) Place the visible band-pass filter (e.g. IDAS UIBAR) in front of the camera.
3) If working in the studio, position the object following the recommendations referred to in
section b.
4) If working outside the studio or in the field, position the visible/IR radiation sources and
the camera around the subject accordingly.
Version No. 1.0 67 Date : 14/10/2013