Jiaxin Yang, Dong Han, Xinming Dong, Ruixian Tang, Xiangyang Xu, Jingjing Luo, Peng Zhou. Objectification of Tooth-Marked Tongue in Chinese Medicine Based on Morphological Feature Extraction[J]. Laser & Optoelectronics Progress, 2022, 59(11): 1117001
- Laser & Optoelectronics Progress
- Vol. 59, Issue 11, 1117001 (2022)
Fig. 1. Function flow chart of tooth-marked tongue analysis algorithm
Fig. 2. Preprocessing process of tooth-marked tongue image. (a) Tongue image after segmentation; (b) smallest rectangular containing tongue; (c) tooth mark part extraction image; (d) tooth mark region binarization; (e) image after opening and closing operation; (f) image after contour filling
Fig. 3. Simplified schematic diagram of DP algorithm implementation process
Fig. 4. Establishment process of tooth mark thickness array of scallop tongue edge
Fig. 5. Compression effect of DP algorithm and VDLS-DP algorithm on original data. (a)(b) Severe tooth-marked tongue; (c)(d) moderate tooth-marked tongue; (e)(f) mild tooth-marked tongue
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Table 1. Performance of tooth marks recognition
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Table 2. Relative area deviation of DP algorithm and VDLS-DP algorithm
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Table 3. Performance of tooth marks number detection
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Table 4. Test results of tooth marks
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