Hackaday Prize 2022: Multispectral Smartphone Camera Reveals Paintings’ Inner Secrets

Multispectral imaging, or photography applying wavelengths other than those in ordinary obvious light-weight, has a variety of applications ranging from earth observation to forgery detection in art. For illustration, titanium white and direct white, two pigments made use of in distinctive historical eras, seem similar in visible light-weight but have distinctive signatures in the UV range. Similarly, IR imaging can reveal a painting’s interior levels if the pigments made use of are transparent to IR.

Gear for this sort of a area of interest use is by natural means rather pricey, so [Sean Billups] resolved to transform an older design

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