Floating search methods in feature selection
Pattern Recognition Letters
Fast and accurate method for radial moment's computation
Pattern Recognition Letters
A systematic method for efficient computation of full and subsets Zernike moments
Information Sciences: an International Journal
Determinant and exchange algorithms for observation subset selection
IEEE Transactions on Image Processing
Fast and low-complexity method for exact computation of 3D Legendre moments
Pattern Recognition Letters
Fast computation of accurate Gaussian-Hermite moments for image processing applications
Digital Signal Processing
An automatic computer-aided diagnosis system for liver tumours on computed tomography images
Computers and Electrical Engineering
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Orthogonal moments such as Zernike moments and Legendre moments have been proven to have superior feature representation capability and low information redundancy. The number of orthogonal moments to be used as features or numerical attributes to perform any application is minimal due to the orthogonal nature. However, the information possessed by each moment order needs to be analysed to identify the appropriate moment orders for the undertaken task. In this work, a statistical significance test has been performed to select the best moment orders to discriminate normal and abnormal tissues in liver images. The experimental results reveal the efficacy of the proposed features.