Target tracking, which is a major part of data fusion, includes single target tracking and multi-target tracking.

目标跟踪作为信息融合的重要环节，包括单目标跟踪和多目标跟踪两方面。

youdao

Complex scenarios single target tracking and multi-target tracking is the most difficult visual target tracking problem has not been solved.

复杂场景下的单目标跟踪和多目标跟踪是视觉目标跟踪中最困难的不足一直没有得到很好的解决。

youdao

The maneuvering target tracking is a challenging task. Even if in single target tracking, it is likely to miss the target because of the escape maneuver of the target.

机动目标跟踪是一个很具有挑战性的任务，即使是跟踪单目标也可能因为目标的逃避机动而失跟。

youdao