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Multiple target tracking (MTT) or multiple object tracking (MOT), which is a key stage operation for many computer vision applications, has relied and it relies on detecting and identifying targets within videos. The objects of these videos may be, for instance, pedestrians, vehicles or animals regardless of the number of targets or their appearance. The main goal of multi object tracking is to follow paths or trajectories of multiple targets in a sequence. Multiple object tracking is a field of computer vision that has a wide range of applications, starting from video surveillance and human computer interaction to robotics. The aim of visual object tracking is to maintain objects’ identities. Developing an effective and accurate visual tracking system is very challenging due to the enormous number of problems, such as Illumination variation or background, the famous Clutters meaning the overlap between objects. Low resolution may be due to cameras problems, scale variation, occlusion, and change of targets’ positions within video. These challenges have a wide range of approaches and methods in this evolving research area with several algorithms in each subfield. This paper covers the crucial research area for Multiple Object Tracking (MOT) and this study will help researchers accomplish their scientific projects relying on the wide range of algorithms mentioned on this review.
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