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Measurement Properties of Smartphone Approaches to Assess Diet, Alcohol Use, and Tobacco Use: Systematic Review

Measurement Properties of Smartphone Approaches to Assess Diet, Alcohol Use, and Tobacco Use: Systematic Review

A series of computer vision modules detected the plate and automatically segmented and recognized different food items into 9 broad food classes (pasta, potatoes, meat, breaded items, rice, green salad or vegetables, mashed potatoes, carrots, and beans) while their 3 D shape was reconstructed. The carbohydrate content of foods was then calculated by combining the volume of each food item with the nutritional information provided by a nutrition database.

Louise Thornton, Bridie Osman, Katrina Champion, Olivia Green, Annie B Wescott, Lauren A Gardner, Courtney Stewart, Rachel Visontay, Jesse Whife, Belinda Parmenter, Louise Birrell, Zachary Bryant, Cath Chapman, David Lubans, Tim Slade, John Torous, Maree Teesson, Pepijn Van de Ven

JMIR Mhealth Uhealth 2022;10(2):e27337