The Method of Texture Image Retrieval Based on Contourlet Transform and Moment Invariants
Abstract：Taking advantage of the characteristics of good sparsity and effective capturing of the smooth contours in natural images of Contourlet transform,we have devised a new method of image retrieval based on Contourlet transform and moment invariants.After decomposing image by Contourlet transform,we have constructed feature vectors by calculating the entropy of high-frequency sub-bands and seven moment invariants of low-frequency sub-bands.The texture similarities of images were computed by the Euclidean＇s distance with different weights.The experiments show that the method has high precision rate and a good result has been obtained in image classification and retrieval.
Keywords：image retrievalContourlet transformmoment invariantsfeature extraction
Publication Date：2012-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 48-51 )