Wenkai Zhang, Feng Xu, Jin Li. Image Feature Extraction in Nuclear Radiation Environment[J]. Laser & Optoelectronics Progress, 2022, 59(12): 1210003
- Laser & Optoelectronics Progress
- Vol. 59, Issue 12, 1210003 (2022)
Fig. 1. Image in nuclear environment
Fig. 2. Distribution of noise block
Fig. 3. FAST features in image patch block
Fig. 4. Noise location detection in real-world environment. (a) Threshold is 0.4; (b) threshold is 0.5; (c) threshold is 0.6;(d) threshold is 0.7
Fig. 5. Screening results of features in real-world environment. (a) Image before screening; (b) set 50 features; (c) set 100 features; (d) set 150 features
Fig. 6. Extraction results in real-world environment. (a) Image 1; (b) image 2; (c) image 3
Fig. 7. Results of ANF algorithm compared with FAST algorithm
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Table 1. Comparison of relative time of feature extraction
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Table 2. Rejection rate of feature extraction
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Table 3. Number of noise points contained in features
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