Procedings of the British Machine Vision Conference 2008 2008
DOI: 10.5244/c.22.103
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Semi-supervised Learning for Anomalous Trajectory Detection

Abstract: A novel learning framework is proposed for anomalous behaviour detection in a video surveillance scenario, so that a classifier which distinguishes between normal and anomalous behaviour patterns can be incrementally trained with the assistance of a human operator. We consider the behaviour of pedestrians in terms of motion trajectories, and parametrise these trajectories using the control points of approximating cubic spline curves. This paper demonstrates an incremental semi-supervised one-class learning pro… Show more

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Cited by 90 publications
(65 citation statements)
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References 14 publications
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“…Sillito and Fisher's work was described earlier in Section 2.1. The proposed method detects all unusual trajectories with 22% probability of false alarm, which is comparable to both Dee and Hogg's method [11] and Sillito and Fisher's method [47] (approximately 25% and 24%, respectively). …”
Section: Dee Andsupporting
confidence: 55%
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“…Sillito and Fisher's work was described earlier in Section 2.1. The proposed method detects all unusual trajectories with 22% probability of false alarm, which is comparable to both Dee and Hogg's method [11] and Sillito and Fisher's method [47] (approximately 25% and 24%, respectively). …”
Section: Dee Andsupporting
confidence: 55%
“…The following chapter elaborates on the contributions of this thesis to the goal-based approach. Johnson and Hogg [25] Owens and Hunter [40] Stauffer and Grimson [48] Hu et al [19] Makris and Ellis [32,33] Fernyhough et al [14] Piciarelli and Foresti [41] Piciarelli et al [42] Junejo et al [26] Naftel and Khalid [39] Jiang et al [24] Sillito and Fisher [47] Dee and Hogg [11] Proposed Method…”
Section: Discussionmentioning
confidence: 99%
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“…Sillito and Fisher [61] formulate a method to harnesses human feedback on-the-fly for improving unusual event detection performance. Specifically, human approval is sought if a newly observed instance deviates statistically from the learned normal profile.…”
Section: Human In the Loopmentioning
confidence: 99%