Quantum Information-Empowered Graph Neural Network for Hyperspectral Change Detection

• URL: http://arxiv.org/abs/2411.07608v1
• Date: Tue, 12 Nov 2024 07:30:32 GMT
• Title: Quantum Information-Empowered Graph Neural Network for Hyperspectral Change Detection
• Authors: Chia-Hsiang Lin, Tzu-Hsuan Lin, Jocelyn Chanussot,
• Abstract summary: This work introduces quantum deep network (QUEEN) into hyperspectral change detection (HCD) QUEEN provides radically new information for deciding whether there is a change or not. The superior HCD performance of the proposed QUEEN-empowered GNN (i.e., QUEEN-G) will be experimentally demonstrated on real hyperspectral datasets.
• Score: 19.31936427826067
• License:
• Abstract: Change detection (CD) is a critical remote sensing technique for identifying changes in the Earth's surface over time. The outstanding substance identifiability of hyperspectral images (HSIs) has significantly enhanced the detection accuracy, making hyperspectral change detection (HCD) an essential technology. The detection accuracy can be further upgraded by leveraging the graph structure of HSIs, motivating us to adopt the graph neural networks (GNNs) in solving HCD. For the first time, this work introduces quantum deep network (QUEEN) into HCD. Unlike GNN and CNN, both extracting the affine-computing features, QUEEN provides fundamentally different unitary-computing features. We demonstrate that through the unitary feature extraction procedure, QUEEN provides radically new information for deciding whether there is a change or not. Hierarchically, a graph feature learning (GFL) module exploits the graph structure of the bitemporal HSIs at the superpixel level, while a quantum feature learning (QFL) module learns the quantum features at the pixel level, as a complementary to GFL by preserving pixel-level detailed spatial information not retained in the superpixels. In the final classification stage, a quantum classifier is designed to cooperate with a traditional fully connected classifier. The superior HCD performance of the proposed QUEEN-empowered GNN (i.e., QUEEN-G) will be experimentally demonstrated on real hyperspectral datasets.

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