1. An image processing apparatus comprising: a storage storing images received from at least one camera; an image analyzer analyzing the images received from the at least one camera, separating an object, for which an event occurred, from a background, and extracting object properties information; a database storing the object properties information extracted with respect to each of the at least one camera; a search condition setter setting a search condition; a search engine searching the database for the object properties information matching the search condition, and obtaining image frames including the object properties information found from the storage; and is a file generator generating a single image file by synthesizing the image frames.