Huixian Yang, Jian Liu, Mengjuan Zhang, Jinfang Zeng. Face Recognition Algorithm Based on Orthogonal Gradient Difference Local Directional Pattern[J]. Laser & Optoelectronics Progress, 2018, 55(4): 041008
- Laser & Optoelectronics Progress
- Vol. 55, Issue 4, 041008 (2018)
Fig. 1. Kirsch operators in eight directions
Fig. 2. Principle diagram of OGDLDP algorithm
Fig. 3. Different sizes of Kirsch operators in the east direction
Fig. 4. Flow chart of OGDLDP code
Fig. 5. Flow chart of OGDLDP face recognition
Fig. 6. Part of (a) YALE and (b) AR face databases
Fig. 7. Part of different block recognition rates of (a) YALE and (b) AR face databases
Fig. 8. Experimental results of YALE face database
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Table 1. Identification rate of YALE face database with different algorithms
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Table 2. Identification rate of AR database with different algorithms
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