期刊
IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING
卷 14, 期 -, 页码 553-566出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSTARS.2020.3038456
关键词
Hyperspectral imaging; Collaboration; Feature extraction; Dictionaries; Training; Classification algorithms; Probability; Collaborative representation (CR); dimensionality reduction; hyperspectral remote sensing; image classification; maximum margin projection (MMP)
类别
资金
- National Science Foundation of China [61971082, 61890964]
- Fundamental Research Funds for Central Universities [3132020218, 3132019341]
This article introduces a novel spectral-spatial classification framework for hyperspectral images by combining collaborative representation and maximum margin projection. Experimental results demonstrate the effectiveness and practicality of the proposed methods for HSI classification tasks.
This article proposed a novel spectral-spatial classification framework for hyperspectral image (HSI) through combining collaborative representation (CR) and maximum margin projection (MMP). First, class-dependent CR classifier (CDCRC) is used on HSI classification to fully make use of self-information contained in each class. Second, the MMP is included into the framework to discover local manifold structure. Combined with CDCRC, it formed the classifier named CDCRC based on MMP (CMCRC), which aims to reduce band redundancy. Finally, a comprehensive spectral-spatial classifier, called union of CMCRC, is proposed to optimize the classification map through integrating cumulative probability of residuals instead of applying strong constraints to maintain the spatial consistency. Experimental results on three real hyperspectral datasets demonstrate the effectiveness and practicality of the proposed methods over other related models for HSI classification tasks.
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