Min Yang, Feipeng Da. Circular Control Points Detection Based on Circumscribed Rectangle of an Ellipse[J]. Acta Optica Sinica, 2018, 38(12): 1215007
- Acta Optica Sinica
- Vol. 38, Issue 12, 1215007 (2018)
Fig. 1. (a) Elliptical circumscribed rectangle in different coordinate systems; (b) error of circumscribed rectangle caused by elliptical defect
Fig. 2. Simulated images. (a) Complete ellipses; (b) fragmental ellipses
Fig. 3. (a) Original image; (b) edges extracted by Canny algorithm; (c) ellipse detection results of proposed algorithm; (d) ellipse detection results after validation
Fig. 4. Detection results of other algorithms for sculpture image with circular control points. (a) Method in Ref. [21]; (b) method in Ref. [22]; (c) method in Ref. [12]
Fig. 5. Classification rendering of mean shift clustering algorithm. (a) Clustering results; (b) extraction of target class
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Table 1. Results comparison of different algorithms
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Table 2. Comparison between proposed ellipses detection algorithm and other elliptical detection results
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