Yongzhi Quan, Shuhui Gao, Mengjing Yang, Xiaojia Jiang, Xinlong He. USM Sharpening Image Detection Based on Local Binary Pattern Method[J]. Laser & Optoelectronics Progress, 2019, 56(12): 121002
- Laser & Optoelectronics Progress
- Vol. 56, Issue 12, 121002 (2019)
Fig. 1. Flow chart of model algorithm
Fig. 2. LBP feature operator. (a) Original LBP feature operator; (b) improved LBP feature operator
Fig. 3. Rotation invariant LBP pattern
Fig. 4. LBP values of sharpened and unsharpened images
Fig. 5. Extraction process of LBP features. (a) Original image; (b) image of LBP features; (c) normalized histogram of LBP features
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Table 1. Accuracy of each mode when R=0.5%
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Table 2. Accuracy of each mode when R=1.0%
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Table 3. Accuracy of each mode when R=1.5%
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Table 4. Accuracy under different sharpening parameters%
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