Volumetric Food Quantification Using Computer Vision on a Depth-Sensing Smartphone: Preclinical Study

David Herzig   ^{1 *} , PhD ;   Christos T Nakas   ^{2, 3 *} , PhD ;   Janine Stalder   ¹ , MSc ;   Christophe Kosinski   ¹ , MD ;   Céline Laesser   ¹ , MD ;   Joachim Dehais   ¹ , PhD ;   Raphael Jaeggi   ¹ ;   Alexander Benedikt Leichtle   ³ , MD ;   Fried-Michael Dahlweid   ⁴ , PhD ;   Christoph Stettler   ^{1 *} , MD ;   Lia Bally   ^{1 *} , MD, PhD

¹ Department of Diabetes, Endocrinology, Nutritional Medicine and Metabolism, Bern University Hospital, University of Bern, Bern, Switzerland

² Laboratory of Biometry, University of Thessaly, Nea Ionia/Volos, Magnesia, Greece

³ University Institute of Clinical Chemistry, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland

⁴ Insel Data Science Center & Department for Technology and Innovation, Bern University Hospital, University of Bern, Bern, Switzerland

*these authors contributed equally