 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
§ |
Use the targets
visible in
|
|
|
the calibration
images to
|
|
|
establish the
poses of the
|
|
|
secondary camera
and
|
|
|
from them
compute the
|
|
|
light source
position
|
|
|
§ |
Find the image
of the test
|
|
|
sample in one of
the
|
|
|
photographs from
the
|
|
|
primary camera,
and use its
|
|
size and
position to
|
|
|
determine the
sample’s
|
|
|
position
|
|
|
§ |
Sample the
images to
|
|
|
obtain
measurements
|
|
|
covering part
of all of the
|
|
|
surfaces BRDF
|
|