INFORMATION PROCESSING DEVICE, RECOGNITION METHOD THEREOF AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM

An information processing device detects a background region from an image, extracts multiple partial regions from the image, sets multiple local regions for each of the multiple partial regions, selects a local region including a region other than the background region from among the multiple local regions and calculates a local feature amount from the selected local region, and determines a partial region that includes a recognition target object from among the multiple partial regions based on the calculated local feature amount.