Experiments/Project Soli
Project Soli is able to create and recognize Radar fingerprints of raw food items, and packaged food items such as coke, coke in a glass bottle, apple and orange.
What if we stored the Soli fingerprints of objects in Open Food Facts ?
http://www.theverge.com/2016/11/10/13582700/google-soli-radarcat-object-recognition