Chunjian Hua, Zijun Zhang, Yi Jiang, Jianfeng Yu, Ying Chen. Improved Manifold Ranking Algorithm for Green Citrus Recognition[J]. Laser & Optoelectronics Progress, 2022, 59(18): 1815007
- Laser & Optoelectronics Progress
- Vol. 59, Issue 18, 1815007 (2022)
Fig. 1. Flow chart of the proposed algorithm
Fig. 2. Image brightness enhancement result. (a) Original image; (b) image after brightness enhancement
Fig. 3. Superpixel segmentation result. (a) Brightness enhancement image; (b) super pixel segmentation image
Fig. 4. Convex hull results of Harris corner detection
Fig. 5. RTV structure extraction and LC feature images. (a) Brightness enhancement; (b) RTV de-texturing; (c) LC feature image; (d) after screening
Fig. 6. Preliminary foreground extraction result. (a) Canny edge detection; (b) feature fusion; (c) preliminary foreground result
Fig. 7. Improved background prior method. (a) After brightness enhancement; (b) GMR method; (c) proposed method
Fig. 8. Result comparison of different algorithms. (a) After brightness enhancement; (b) ITTi; (c) SR; (d) FT; (e) CA; (f) GMR; (g) proposed algorithm
Fig. 9. Comparison of segmentation results. (a) GMR; (b) proposed algorithm; (c) artificial segmentation
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Table 1. Evaluation of segmentation results
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