Feature extraction method, object classification method, object identification method, feature extraction device, object classification device, object identification device, feature extraction/object classification/object identification program, and recording medium on which the program is recorded

摘要

Provided is a feature extraction that extracts a feature that represents a characteristic of a subject, the feature being extracted from an image that has imaged the subject, the feature being extracted without relation to the shape of the subject. The feature extraction extracts the feature from the image of the subject, the subject having been imaged by an imaging means.