Wenteng Liu, Huiqin Wang, Ke Wang, Zhan Wang. Recognition Method of Inscription Graphics Based on Dual Features of Topology and Mesh[J]. Laser & Optoelectronics Progress, 2022, 59(4): 0410018
- Laser & Optoelectronics Progress
- Vol. 59, Issue 4, 0410018 (2022)
Fig. 1. Topological equivalence diagram
Fig. 2. Inscription graph topological equivalence. (a) (b) Prefix "Yuan" and its skeleton; (b) (d) prefix "Yuan" variant and its skeleton
Fig. 3. Schematic diagram of inscription mesh. (a) Uniform mesh; (b) Elastic mesh
Fig. 4. Pixel connected area
Fig. 5. Four-direction correlation graph
Fig. 6. Training technology roadmap of Bagging model
Fig. 7. Partial inscription data
Fig. 8. Number of classifiers-generalization error curve
Fig. 9. Combination relationship surface fitting diagram of base classifier
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Table 1. Feature dimension of different feature extraction algorithms
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Table 2. Feature extraction algorithm model efficiency
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Table 3. Accuracy of four feature extraction algorithmsunit: %
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