Accuracy of food photographs for quantifying food servings in a lunch meal setting among Danish children and adults.
Anja Pia Biltoft-JensenT Holmgaard NielsenK Hess YgilT ChristensenS FagtPublished in: Journal of human nutrition and dietetics : the official journal of the British Dietetic Association (2017)
When used in a real-life situation, the portion size photographs validated in the present study showed a certain inaccuracy compared to the actual weights.