cc-by-4.0Sarapisto, TeemuKoivunen, LauriMäkilä, TuomasKlami, ArtoOjansivu, Pauliina2025-03-242022-06-102022-06-10https://hydatakatalogi-test-24.it.helsinki.fi/handle/123456789/10163A dataset of around 2000 pictures consisting of both pictures taken on a lunch line and their measured contents based on the lunch line's automation systems. The pictures were automatically taken and linked to data via RFID tags on each meal tray. The pictures are linkable to CSV meal contents. CSV includes explanatory headers.  Openlunch linefooddatasetmealRGBpicturemachine learningcomputer visionphotorestaurantfood linedataset