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Multiple object tracking (MOT) generally employs the paradigm of tracking-by-detection, where object detection and object tracking are executed conventionally using separate systems. Current progress in MOT has focused on detecting and tracking objects by harnessing the representational power of deep learning. Since existing methods always combine two submodules in the same network, it is particularly important that they must be trained effectively together. Therefore, the development of a suitable network architecture for the end-to-end joint training of detection and tracking submodules remains a challenging issue. The present work addresses this issue by proposing a novel architecture denoted as YOLOTracker that performs online MOT by exploiting a joint detection and embedding network. First, an efficient and powerful joint detection and tracking model is constructed to accomplish instance-level …