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The best strategy is generally something like Track Before Detection, where you don't immediately record a true positive. Instead, you watch and track for several frames to make sure the probability of detection is high enough before you record.
An example would be it's only a true track if it's been seen for 10 frames, and at least 50% of the total frames. If you have weights that tell you the probability parts of the object were found, you can incorporate that, say when the sum of the detection probabilities is above a certain threshold and the average probability is above X value.
If you want to look it up, the keywords are Track Before Detection, and there are many variations on the subject.
