STORAGE MEDIUM, MODEL TRAINING METHOD, AND MODEL TRAINING DEVICE

A storage medium storing a model training program that causes a computer to execute a process that includes acquiring a plurality of images which include a face of a person with a marker; changing an image size of the plurality of images to first size; specifying a position of the marker included in the changed plurality of images; generating a label based on difference corresponding to a degree of movement of a facial part that forms facial expression of the face; correcting the generated label based on relationship between each of the changed plurality of images and a second image; generating training data by attaching the corrected label to the changed plurality of images; and training, by using the training data, a machine learning model that outputs a degree of movement of a facial part of third image by inputting the third image.