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Cited by 466

The DOI matches its Crossref record; 35 of the 35 references it cites were found in a registry or an index.

Classification of Hyperspectral and LiDAR Data Using Coupled CNNs

Open access
Hang, Renlong, Li, Zhu, Ghamisi, Pedram, Hong, Danfeng, Xia, Guiyu, Liu, Qingshan·2020·IEEE Transactions on Geoscience and Remote Sensing

Abstract

In this article, we propose an efficient and effective framework to fuse hyperspectral and light detection and ranging (LiDAR) data using two coupled convolutional neural networks (CNNs). One CNN is designed to learn spectral-spatial features from hyperspectral data, and the other one is used to capture the elevation information from LiDAR data. Both of them consist of three convolutional layers, and the last two convolutional layers are coupled together via a parameter-sharing strategy. In the fusion phase, feature-level and decision-level fusion methods are simultaneously used to integrate these heterogeneous features sufficiently. For the feature-level fusion, three different fusion strategies are evaluated, including the concatenation strategy, the maximization strategy, and the summation strategy. For the decision-level fusion, a weighted summation strategy is adopted, where the weights are determined by the classification accuracy of each output. The proposed model is evaluated on an urban data set acquired over Houston, USA, and a rural one captured over Trento, Italy. On the Houston data, our model can achieve a new record overall accuracy (OA) of 96.03%. On the Trento data, it achieves an OA of 99.12%. These results sufficiently certify the effectiveness of our proposed model.

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Metadata

Authors
Hang, R., Li, Z., Ghamisi, P., Hong, D., Xia, G., & Liu, Q.
Venue
IEEE Transactions on Geoscience and Remote Sensing
Published
2020-07
Volume
58
Issue
7
Pages
4939-4950
ISSN
  • 0196-2892 (ISSN-L)
  • 1558-0644
OpenAlex
W3004968762
Cited by
466
References
35
FWCI
24.84
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Classification of Hyperspectral and LiDAR Data Using Coupled CNNs. https://app.cochat.ai/papers/10.1109/tgrs.2020.2969024
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Hang, R., Li, Z., Ghamisi, P., Hong, D., Xia, G., & Liu, Q. (2020). Classification of Hyperspectral and LiDAR Data Using Coupled CNNs. IEEE Transactions on Geoscience and Remote Sensing. https://doi.org/10.1109/tgrs.2020.2969024

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