The developers behind the iPhone feature are developing an image recognition technology that gives users an approximate calorie count of their food.

SRI InternationaI, the developers of the technology behind Siri, are developing a new method that uses image recognition to give an approximate calorie count of meals by analyzing photos of the food.

The idea behind the project, internally called Ceres by SRI, is similar to what the app Meal Snap does, which is tell users what was in their meal through snapshots. While Meal Snap uses a camera and Amazon's Mechanical Turk service, SRI's project will let computers estimate the calorie count. To do that, SRI had to solve two problems – identifying the food and estimating the volume of the food.

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