Li-Li DONG, Tong ZHANG, Dong-Dong MA, Wen-Hai XU. Maritime background infrared imagery classification based on histogram of oriented gradient and local contrast features[J]. Journal of Infrared and Millimeter Waves, 2020, 39(5): 650
- Journal of Infrared and Millimeter Waves
- Vol. 39, Issue 5, 650 (2020)
Fig. 1. Sea infrared images
Fig. 2. Three-dimensional map of sea infrared images
Fig. 3. SSLE
Fig. 4. The process of extracting features
Fig. 5. Fused features
Fig. 6. Two similar gray distribution of different background images
Fig. 7. Gray distribution of base layer and detail layer of different background images
Fig. 8. Local contrast calculation diagram
Fig. 9. 16*16 matrix
Fig. 10. Local contrast calculation diagram based on different sea backgrounds：
Fig. 11. Accuracy and time cost of different classification algorithms
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Table 1. Comparison of different cell sizes
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Table 2. Classification accuracy of different background images
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Table 3. A misclassified image
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