Zhengchong Mao, Xuesong Shen. Improved Vibe Algorithm Integrated with Multiscale Transformation[J]. Laser & Optoelectronics Progress, 2018, 55(11): 111501
- Laser & Optoelectronics Progress
- Vol. 55, Issue 11, 111501 (2018)
Fig. 1. Vibe background model
Fig. 2. Ghost area. (a) Video frame; (b) test result
Fig. 3. Dynamic background disturbance. (a) Video frame; (b) test result
Fig. 4. Gray value distributions at different resolutions. (a) 320 pixel×240 pixel; (b) 160 pixel×120 pixel; (c) 80 pixel×60 pixel
Fig. 5. Comparison of ghost elimination for proposed algorithm and original Vibe algorithm. (a) 432nd frame; (b) result by Vibe algorithm; (c) result by proposed algorithm; (d) 536th frame; (e) result by Vibe algorithm; (f) result by proposed algorithm
Fig. 6. Detection results of overpass. (a) 2377th frame; (b) truth map; (c) Vibe algorithm; (d) GMM; (e) proposed algorithm
Fig. 7. Detection results of canoe. (a) 961st frame; (b) truth map; (c) Vibe algorithm; (d) GMM; (e) proposed algorithm
Fig. 8. Comparison among ROC curves by algorithm; (a) Traffic sequence; (b) overpass sequence; (c) canoe sequence
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Table 1. Comparison among precision rate, recall rate and time by different algorithms
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