Effect of distance, angle, and illumination on color in smartphone digital photos

Austin Cronin; Inga Saknite; Iftak Hussain; Audrey Bowden; Eric R. Tkaczyk

doi:10.1117/12.2578591

5 March 2021 Effect of distance, angle, and illumination on color in smartphone digital photos

Austin Cronin, Inga Saknite, Iftak Hussain, Audrey Bowden, Eric R. Tkaczyk

Proceedings Volume 11618, Photonics in Dermatology and Plastic Surgery 2021; 116180Q (2021) https://doi.org/10.1117/12.2578591
Event: SPIE BiOS, 2021, Online Only

Abstract

To evaluate the effect of illumination, camera orientation, and camera distance on color consistency of different skin tones, several swatches from a Pantone SkinTone Guide deck were selected and photographed at varying distances, illuminations, and angles. The RGB values from each selected swatch from each image were converted to LAB units and compared with the converted “true” values provided by Pantone. The ability of various color references to correct different skin tones was tested by comparing color values from a subject’s forearm skin to “true” color values of the closest Pantone SkinTone swatch found by visual comparison.

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Citation Download Citation

Austin Cronin, Inga Saknite, Iftak Hussain, Audrey Bowden, and Eric R. Tkaczyk "Effect of distance, angle, and illumination on color in smartphone digital photos", Proc. SPIE 11618, Photonics in Dermatology and Plastic Surgery 2021, 116180Q (5 March 2021); https://doi.org/10.1117/12.2578591

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