کنفرانس مهندسی برق ایران

صفحه اصلی / بیست و نهمین کنفرانس مهندسی برق ایران

Contextual Based Locality Preserving Projection for Classification of SAR Images with Multiple Polarizations

نویسندگان :

Maryam Imani¹

1- دانشگاه تربیت مدرس

کلمات کلیدی :

locality preserving projection, spatial feature extraction, classification, polarization, classification

چکیده :

Contextual feature extraction is studied for polarimetric synthetic aperture radar (PolSAR) image classification in this work. The contextual locality preserving projection (CLPP) method is proposed for generation of contextual feature cubes using limited training samples. The local information in neighborhood regions is used to extend the training set by including the spatial information. Then, a supervised transform is applied to the polarimetric-contextual feature cube to reduce data dimensionality while preserves the local structures and settles the samples belonging to the same class close together. The classification results on two real L-band PolSAR data from AIRSAR show superior performance of CLPP for PolSAR classification in small sample size situations.

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