Yingxu LIU, Chunyu PU, Diankun XU, Yichuan YANG, Hong HUANG. Lightweight deep global-local knowledge distillation network for hyperspectral image scene classification[J]. Optics and Precision Engineering, 2023, 31(17): 2598

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- Optics and Precision Engineering
- Vol. 31, Issue 17, 2598 (2023)

Fig. 1. Framework of proposed Lightweight Deep Globle-local Knowledge Distillation(LDGLKD) network

Fig. 2. Detail structure of layer l ![]()
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in ViT model

Fig. 3. Overall build process for OHID-SC dataset

Fig. 4. Examples of scene in constructed OHID-SC dataset

Fig. 5. Examples and numbers of scene in HSRS-SC dataset

Fig. 6. OAs with respect to different temperatures

Fig. 7. Effect of KD coefficient α on OAs

Fig. 8. Ablation experiment results

Fig. 9. Confusion matrix results of LDGLKD network

Fig. 10. OAs with different training data percentages for comparison methods
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Table 1. Steps of LDGLKD algorithm
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Table 2. Results of comparison algorithm [OA±STD]
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Table 3. Running time of comparison algorithms

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