IDENTIFICATION INFORMATION ADDING DEVICE, IDENTIFICATION INFORMATION ADDING METHOD, AND PROGRAM

It reduces labor and time to generate training data for the training model. An identification information adding device (1) includes an acquisition unit (11) configured to acquire a plurality of pieces of image data, an assignment unit (12) configured to assign identification information to image data selected from the plurality of pieces of image data by using a learning model after learning, and an update unit (13) configured to update the learned model using the image data to which the identification information is assigned, wherein the assignment unit assigns identification information to a rest of the image data acquired by the acquisition unit using the learned model that has been updated.