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Feature Consistency-Based Prototype Network for Open-Set Hyperspectral Image Classification
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AI
DOI：10.1109/TNNLS.2022.3232225.png)
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摘要
En 中文
Hyperspectral image (HSI) classification methods have made great progress in recent years. However, most of these methods are rooted in the closed-set assumption that the class distribution in the training and testing stages is consistent, which cannot handle the unknown class in open-world scenes. In this work, we propose a feature consistency-based prototype network (FCPN) for open-set HSI classification, which is composed of three steps. First, a three-layer convolutional network is designed to extract the discriminative features, where a contrastive clustering module is introduced to enhance the discrimination. Then, the extracted features are used to construct a scalable prototype set. Finally, a prototype-guided open-set module (POSM) is proposed to identify the known samples and unknown samples. Extensive experiments reveal that our method achieves remarkable classification performance over other state-of-the-art classification techniques.
Keyword:
Feature extraction
Prototypes
Training
Testing
Hyperspectral imaging
Convolutional neural networks
Task analysis
Contrastive clustering
feature consistency
hyperspectral image (HSI)
open-set classification
prototype network
期刊
IF:
8.9
论文数:
7.6K
被引数:
7.2W
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