ios - How to compare image under UV light from normal light on iPhone? -


the purpose find things react uv light, capturing 2 images camera, 1 under normal light , 1 under same normal light mixed uv light source.

my initial intuition compare 2 pictures pixel pixel, , find range of normal differences "normal" stuff between 2 light sources, , pixels abruptly beyond range assert react uv light. however, don't have knowledge in how images work under different light sources , couldn't find relevant answers, appreciated!!


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