An Iterative Pseudo Label Generation framework for semi-supervised hyperspectral image classification using the Segment Anything Model
2024

Iterative Pseudo Label Generation for Hyperspectral Image Classification

publication Evidence: high

Author Information

Author(s): Zhao Zheng, Zhou Guangyao, Wang Qixiong, Feng Jiaqi, Jiang Hongxiang, Zhang Guangyun, Zhang Yu

Primary Institution: Beihang University

Hypothesis

Can an Iterative Pseudo Label Generation framework improve semi-supervised hyperspectral image classification using the Segment Anything Model?

Conclusion

The proposed framework significantly enhances classification performance in hyperspectral image analysis, even with limited annotations.

Supporting Evidence

  • Experiments on the Indian Pines and Pavia University datasets show significant performance improvements over existing methods.
  • The framework effectively utilizes both labeled and pseudo-labeled data to enhance model training.
  • Iterative refinement of pseudo labels leads to higher classification accuracy.

Takeaway

This study shows a new way to help computers understand images taken with special cameras by using smart guessing to fill in the gaps when there aren't enough labeled examples.

Methodology

The study uses an Iterative Pseudo Label Generation framework that combines a small number of labeled data with a large amount of unlabeled data to improve classification accuracy.

Limitations

The performance can be affected by the method used to group spectral bands and the quality of initial annotated labels.

Digital Object Identifier (DOI)

10.3389/fpls.2024.1515403

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