Monitoring system for acquiring a facial image and performing monitoring processing, method, information processing device, and program thereof

The present invention decreases the processing load of a server related to a collation processing system which is implemented by a server which performs collation processing with a registered facial image. An image acquisition section acquires the facial image of an individual who approaches a game machine as a facial image of a collation object, a local biological information DB stores a predetermined number of facial images of a collation object, a condition extraction section extracts condition information which indicates conditions to extract characteristic value of the facial image from the acquired facial image of the collation object and a stored facial image of the collation object, a comparison section compares the condition information on the acquired facial image and the condition information on the stored facial image of the collation object based on the extracted condition information, and the communication section sends the acquired facial image to the monitoring device when the condition information on the acquired facial image is better than the condition information on the stored facial image of the collation object. The present invention can be applied to monitoring systems.