Quansheng Liu, Yanmei Jiang, Jingchao Yang, Pengcheng Ma. Efficient Tumor Tracking Algorithm for Gastroscope Image[J]. Laser & Optoelectronics Progress, 2019, 56(7): 071504
- Laser & Optoelectronics Progress
- Vol. 56, Issue 7, 071504 (2019)
Fig. 1. Acquisition process of ROI. (a) Video interface; (b) acquired ROI
Fig. 2. Flow chart of proposed method
Fig. 3. Feature point extraction (2nd frame). (a) SIFT; (b) SURF
Fig. 4. Smallest circular region containing all feature points. (a) SIFT; (b) SURF
Fig. 5. Smallest circular region without mismatching points. (a) SIFT; (b) SURF
Fig. 6. Part of tracking results for lesion region in gastroscope. (a) Template; (b) SURF; (c)~(f) tracking results
Fig. 7. Part of tracking mark results. (a) SIFT; (b) improved SIFT; (c) SURF; (d) improved SURF
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Table 1. Comparison of tracking accuracy of different algorithms
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