Computer vision can estimate calorie content of food at a glance

meal being photographerd

Computer software can estimate the calorie content of food from a photo

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Computer software can now estimate the calorie content of food simply from a photo of a meal.

Calorie counting is one of the ways many people try to control their weight, but manually inserting nutritional information about products into apps is time consuming. Cooking meals muddles things further, making it difficult to ascertain accurate calorie counts.

Robin Ruede and his colleagues at the Karlsruhe Institute of Technology, Germany, might be able to help. They have harnessed a commonly-used neural network, DenseNet, to cross-reference images of …