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Deep Clustering With Intra-class Distance Constraint for Hyperspectral Images | | Jinguang Sun
; Wanli Wang
; Xian Wei
; Li Fang
; Xiaoliang Tang
; Yusheng Xu
; Hui Yu
; Wei Yao
; | | Date: |
1 Apr 2019 | | Abstract: | The high dimensionality of hyperspectral images often results in the
degradation of clustering performance. Due to the powerful ability of deep
feature extraction and non-linear feature representation, the clustering
algorithm based on deep learning has become a hot research topic in the field
of hyperspectral remote sensing. However, most deep clustering algorithms for
hyperspectral images utilize deep neural networks as feature extractor without
considering prior knowledge constraints that are suitable for clustering. To
solve this problem, we propose an intra-class distance constrained deep
clustering algorithm for high-dimensional hyperspectral images. The proposed
algorithm constrains the feature mapping procedure of the auto-encoder network
by intra-class distance so that raw images are transformed from the original
high-dimensional space to the low-dimensional feature space that is more
conducive to clustering. Furthermore, the related learning process is treated
as a joint optimization problem of deep feature extraction and clustering.
Experimental results demonstrate the intense competitiveness of the proposed
algorithm in comparison with state-of-the-art clustering methods of
hyperspectral images. | | Source: | arXiv, 1904.0562 | | Services: | Forum | Review | PDF | Favorites | |
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