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A sub‐pixel mapping algorithm based on sub‐pixel/pixel spatial attraction models

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Soft classification techniques avoid the loss of information characteristic to hard classification techniques when handling mixed pixels. Sub‐pixel mapping is a method incorporating benefits of both hard and soft classification techniques. In this paper an algorithm is developed based on sub‐pixel/pixel attractions. The design of the algorithm is accomplished using artificial imagery but testing is done on artificial as well as real synthetic imagery. The algorithm is evaluated both visually and quantitatively using established classification accuracy indices. The resulting images show increased accuracy when compared to hardened soft classifications.
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Document Type: Research Article

Affiliations: 1: Laboratory of Forest Management and Spatial Information Techniques, Department of Forest and Water Management, Biometrics and Process Control, Gent University, Coupure links 653, 9000 Gent, Belgium 2: Department of Applied Mathematics, Biometrics and Process Control, Gent University, Coupure links 653, 9000 Gent, Belgium

Publication date: 10 August 2006

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