Apparatus and method extracting feature information of a source image

摘要

Provided is an apparatus and method for extracting feature information of an image using a scale-invariant feature transform (SIFT) algorithm. The apparatus may include a first interface configured to generate one or more tile images from a first source image stored in a particular memory, such as a high-capacity short-term memory, and a feature information extractor configured to receive the generated one or more tile images and to respectively extract feature information from each of the one or more input tile images, where the first interface may be configured to generate the one or more tile images by selectively dividing the first source image into the one or more tile images based on a horizontal resolution of the first source image.

主权项

1. An apparatus for extracting feature information, the apparatus comprising:
a first interface generating plural tile images from a first source image by reading respective divided portions from the first source image stored in a high-capacity short-term memory; and a feature information extractor extracting 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 generates 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, and wherein the first interface completes a writing of the generated at least one tile image to a buffer memory having less capacity than the high-capacity short-term memory, even when a horizontal resolution of the first source image results in a quantity of data that is greater than a horizontal capacity of the buffer memory.