IDENTIFICATION INFORMATION ADDITION DEVICE, IDENTIFICATION INFORMATION ADDITION METHOD, AND PROGRAM

An identification information assignment device(1) comprising an acquirer(11) configured to acquire a plurality of pieces of continuous image data, a selector(12) configured to obtain an index value for the plurality of pieces of image data and select a part of all the pieces of image data as learning data by using the index value, an assigner(13) configured to assign identification information to the image data selected by the selector by using a learning model after learning a relationship between the plurality of pieces of image data and identification information included in each piece of the image data; and an updater(15) configured to update the learning model using the image data to which the identification information is assigned by the assigner, wherein the assigner assigns identification information to a rest of the image data acquired by the acquirer using the learning model that has been updated.