Dinner plate empty condition evaluation method

The invention discloses a dinner plate empty condition evaluation method, and relates to the technical field of canteen management; the method comprises the following steps: 1, parameter setting: building a bowl and plate library which comprises all types of used bowls and plates; step 2, model training: establishing a model, continuously training server host output to evaluate theempty conditionof different bowls and dishes, and completing a deep learning task; step 3, target detection: obtaining a picture shot by the camera, and determining and extracting position information of the dishes x1-xn in the image, n being a constant; step 4, regression evaluation: determining an evaluation continuous quantity zn under each corresponding bowl and dish type according to the position information of the bowls and dishes x1-xn extracted from the image and a model; step 5, evaluation and score assignment: setting a branch weight wi, and calculating an evaluation score G according to an evaluation continuous quantity o