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For the shadows, maybe consider a method where first take a picture with light from one direction, then from a different direction. This could be done automatic
by im3w1l 6y ago
For the shadows, maybe consider a method where first take a picture with light from one direction, then from a different direction. This could be done automatically by toggling multiple light sources quickly.
- tincholio 6y agoOr, using a proper lighting setup, so as to minimize shadows. This would likely solve most of their shadow-related problems.
- contravariant 6y agoYou could also cluster first purely on colour (using the xy part of the xyY colourspace). For greyscale clothing you might then need to see if some colour has clearly separate shades, but that's going to be tricky without a proper understanding of shadows.
- Atomskun 6y agoOne could also remove the expected shadow values (and hues) depending on the color of the clothing and the color of the light, at least approximately. Should work as long as there aren't complicated interactions of the material with light that hits it.