Automatic Target Recognition (ATR) of infrared object has been taking a great interest to the researchers in recent years. ATR requires invariance of high cognition accuracy in translation, scaling and orientation, but classification of two-dimensional (2D) shapes despite of their position, size and orientation in infrared image remains a difficult problem. In this paper, a feature extraction method is proposed using Wavelet Moment Invariants (WMI). The very similar objects can be classified correctly by virtue of the wavelet moment with its multi-resolution properties. Compared with some other geometry moments, the classification rate and the recognition efficiency are improved with wavelet moments. As different wavelet basis will have different impacts to wavelet moment, it affects the efficiency of classification. Some important properties such as orthonomality, supported length and vanishing moments which affect the performance of wavelet moment are discussed in this paper. Through experimental analysis, a conclusion is obtained that symmetry, compactly supported wavelet has more high-performance, and using wavelet function with proper vanishing moments could effectively improve the efficiency of classification.


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    Title :

    Aircraft recognition in infrared image using wavelet moment invariants


    Contributors:
    Zhang, Feng (author) / Liu, Shang-qian (author) / Wang, Da-bao (author) / Guan, Wei (author)

    Published in:

    Image and Vision Computing ; 27 , 4 ; 313-318


    Publication date :

    2009


    Size :

    6 Seiten, 12 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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