Video multi-target tracking method based on multi-Bernoulli characteristic covariance
A multi-target tracking and covariance technology, applied in image data processing, instrumentation, computing and other directions, can solve problems such as difficulty in accurate tracking
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[0063] 1. Introduction to basic theory
[0064] 1. Do Bernoulli filtering principle
[0065] Do Bernoulli random finite set X can be expressed as That is, M mutually independent single Bernoulli random finite sets X (i) The union of r (i) And p (i) Respectively its existence probability and probability distribution, the probability density of a multi-Bernoulli random finite set in space can be expressed as:
[0066]
[0067]
[0068] The random finite set can be described by its probability density, and the average potential estimate of the set is the target number estimate. Assuming a parameter set A multi-Bernoulli random finite set can be described, then the multi-objective multi-Bernoulli filter is to approximate the state set and the observation set with the multi-Bernoulli random finite set, by recursing r (i) And p (i) Realize multi-target tracking. The algorithm steps are as follows:
[0069] (1) Forecast:
[0070] Assuming that at time k-1, the posterior probability density...
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