Xikui Miao, Yanxiu Zhang, Hengwei Zhang, Xiaohu Liu, Qianjin Zou. Image background clutter modeling method based on directional selectivity mechanism[J]. Infrared and Laser Engineering, 2022, 51(6): 20210532
- Infrared and Laser Engineering
- Vol. 51, Issue 6, 20210532 (2022)
Fig. 1. Illustration of the excitation and inhibition response of neurons in the local receptive field
Fig. 2. Visual pattern based on the directional selectivity mechanism in 8-neighbors
Fig. 3. Directional selectivity vision pattern of target and background clutter
Fig. 4. Directional selectivity vision pattern (before/after dimension reduction)
Fig. 5. The difference between visual pattern histograms of tank image and background clutter
Fig. 6. Image gradient filter
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Table 1. Correlation between detection probability and clutter models
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Table 2. Correlation between false probability and clutter models
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Table 3. Correlation between search time and clutter models
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Table 4. RMSE between PD, FD, ST and subjective test results under different directional similarity thresholds
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