Patent ID: 6807303
Filing Date: 2004-10-19
Classification: G06F,G06K

Abstract:
A method for retrieving multimedia data using shape information, comprising the steps of:a) receiving shape information of a query image and extracting a feature of the received shape information using a shape information descriptor based on eigen vectors of a multilayer covariance matrix, said shape information descriptor comprising a ratio of magnitudes of said eigen vectors, an angle of any one of said eigen vectors, a center point in a given region and a compactness in the given region; b) extracting a feature of each image data in the same manner as said step a); c) creating a multimedia database on the basis of said features extracted at said step b); d) comparing said feature of said query image with said features of said image data in said multimedia database to calculate similarities there between; and e) outputting the results calculated at said step d).