1. An apparatus configured to extract feature information, the apparatus comprising: a first interface configured to generate plural tile images from a first source image by reading respective portions of the first source image stored in a high-capacity short-term memory; and a feature information extractor configured to extract feature information from at least one of the plural tile images by applying a feature transform to the at least one tile image, wherein the first interface is configured to generate the at least one tile image by dividing the first source image, into at least one of the respective portions of the first source image, based on a horizontal resolution of the first source image.