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Robot Visual Tracking via Incremental Self-Updating of Appearance Model:

机译:通过外观模型的增量自更新进行的机器人视觉跟踪:

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This paper proposes a target tracking method called Incremental Self-Updating Visual Tracking for robot platforms. Our tracker treats the tracking problem as a binary classification: the target and the background. The greyscale, HOG and LBP features are used in this work to represent the target and are integrated into a particle filter framework. To track the target over long time sequences, the tracker has to update its model to follow the most recent target. In order to deal with the problems of calculation waste and lack of model-updating strategy with the traditional methods, an intelligent and effective online self-updating strategy is devised to choose the optimal update opportunity. The strategy of updating the appearance model can be achieved based on the change in the discriminative capability between the current frame and the previous updated frame. By adjusting the update step adaptively, severe waste of calculation time for needless updates can be avoided while keeping the stability of the model. Moreover, the appearance model can be kept away from serious drift problems when the target undergoes temporary occlusion. The experimental results show that the proposed tracker can achieve robust and efficient performance in several benchmark-challenging video sequences with various complex environment changes in posture, scale, illumination and occlusion.
机译:本文提出了一种针对机器人平台的目标跟踪方法,称为增量自更新视觉跟踪。我们的跟踪器将跟踪问题视为二进制分类:目标和背景。在这项工作中使用了灰度,HOG和LBP功能来表示目标,并将其集成到粒子过滤器框架中。为了长时间跟踪目标,跟踪器必须更新其模型以遵循最新目标。为了解决传统方法存在的计算浪费和模型更新策略缺乏的问题,设计了一种智能有效的在线自我更新策略来选择最佳更新机会。可以基于当前帧和先前更新的帧之间的判别能力的变化来实现更新外观模型的策略。通过自适应地调整更新步骤,可以避免不必要的更新而浪费大量的计算时间,同时又保持了模型的稳定性。此外,当目标受到临时遮挡时,外观模型可以避免严重的漂移问题。实验结果表明,所提出的跟踪器可以在姿势,比例,照明和遮挡等各种复杂环境变化的情况下,在具有挑战性的多个视频序列中实现鲁棒而高效的性能。

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