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Flancian
2021-01-23 20:08:30 +01:00
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gray-card.md
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- [[pull]] [[grey card]] - [[pull]] [[grey card]]
- [[go]] https://en.wikipedia.org/wiki/Gray_card - [[go]] https://en.wikipedia.org/wiki/Gray_card
- [[quote]] A primary use of gray cards is to provide a [[standard reference object]] for exposure determination in photography. A gray card is an (approximate) realization of a [[Lambertian]] scatterer; its apparent brightness (and exposure determination) therefore depends only on its orientation relative to the light source.
[//begin]: # "Autogenerated link references for markdown compatibility" [//begin]: # "Autogenerated link references for markdown compatibility"
[pull]: pull "Pull" [pull]: pull "Pull"
[go]: go "Go" [go]: go "Go"
[quote]: quote "Quote"
[//end]: # "Autogenerated link references" [//end]: # "Autogenerated link references"
lambertian.md
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# Lambertian
- [[go]] https://en.wikipedia.org/wiki/Lambertian_reflectance
- [[quote]] Lambertian reflectance is the property that defines an [[ideal]] "[[matte]]" or diffusely reflecting surface.
[//begin]: # "Autogenerated link references for markdown compatibility"
[go]: go "Go"
[quote]: quote "Quote"
[//end]: # "Autogenerated link references"