Zhuzhang Jin, Xuyuan Fang, Yanhui Huang, Caoqian Yin, Wei Jin. Satellite cloud image retrieval based on deep metric learning[J]. Opto-Electronic Engineering, 2022, 49(4): 210307
- Opto-Electronic Engineering
- Vol. 49, Issue 4, 210307 (2022)
Fig. 1. Visible band 1 cloud images of different weather (a) Cloudy; (b) Rainy; (c) Fair; (d) Typhoon
Fig. 2. Visible band 1 cloud images of different weather systems. (a) Snow; (b) Frontal surface; (c) Westerly jet; (d) Tropical cyclone
Fig. 3. Overall algorithm flow chart
Fig. 4. Residual 3D-2D convolution neural network
Fig. 5. After training, the distance of the anchor-positive decreases and the distance of the anchor-negative increases
Fig. 6. The effects of the hash code length on model performance
Fig. 7. Retrieval results of cloudy weather image
Fig. 8. Retrieval results of westerly jet cloud image
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Table 1. The model retrieval performance of different loss functions in coastal cloud image dataset
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Table 2. The model retrieval performance of different loss functions in the North hemisphere cloud image dataset
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Table 3. Comparison of retrieval performance between different retrieval methods
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