Online Multi-target Tracking Method Based on Trajectory Metric Learning
A multi-target tracking and metric learning technology, which is applied in the field of online multi-target tracking, can solve the problems of poor practicability and achieve the effects of good practicability, improved tracking effect, and enhanced resolution ability
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[0051] refer to Figure 1-3 . The specific steps of the online multi-target tracking method based on trajectory metric learning of the present invention are as follows:
[0052] Step 1. Consider the length of the trajectory, the degree of occlusion of the target, the closeness of the trajectory and the detection response, the smoothness of the trajectory and other factors, and design the trajectory confidence function:
[0053]
[0054] in represents the trajectory length of the i-th target up to time t, represents the closeness between the i-th target and its corresponding detection response at time k, Indicates the degree to which the ith target at time k is not occluded, T k is all target trajectories at time k, smo(T t i ) represents the smoothness of the trajectory of the i-th target up to time t.
[0055] Step 2. For the trajectory T of the i-th target at time t t i , use the Kalman filter to estimate the position of the target at time k Considering the ...
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