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A Modified AdaBoost Algorithm with New Discrimination Features for High-Resolution SAR Targets Recognition
Kun CHEN Yuehua LI Xingjian XU Yuanjiang LI
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/10/01
Online ISSN: 1745-1361
Type of Manuscript: LETTER
Category: Pattern Recognition
synthetic aperture radar (SAR), automatic target recognition (ATR), adaptive boosting, high-resolution,
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In this paper, we first propose ten new discrimination features of SAR images in the moving and stationary target acquisition and recognition (MSTAR) database. The Ada_MCBoost algorithm is then proposed to classify multiclass SAR targets. In the new algorithm, we introduce a novel large-margin loss function to design a multiclass classifier directly instead of decomposing the multiclass problem into a set of binary ones through the error-correcting output codes (ECOC) method. Finally, experiments show that the new features are helpful for SAR targets discrimination; the new algorithm had better recognition performance than three other contrast methods.