中文摘要：

视频跟踪是机器视觉领域中的热点研究问题,在过去的几十年内得到了广泛研究.为了获得鲁棒的跟踪效果,设计能够适应跟踪目标外观变化的外观模型成为算法研究中的一种重要内容.近年来,将机器学习理论引入外观模型设计中的思想大大推动了视频跟踪研究的发展.为了使读者能够快速了解其发展的趋势并且掌握基于外观模型学习跟踪算法研究的技术,在介绍外观模型学习跟踪算法原理和机制的基础上,重点综述了外观模型学习跟踪方法的研究进展,包括目标特征描述和3类主要目标外观建模方式及其各自研究过程中跟踪方法的对比与分析,进而总结了外观模型学习跟踪算法在理论及应用方面的研究现状,最后提出进一步研究的主要发展内容和趋势.

英文摘要：

Visual tracking is an active reasch topic in the field of computer vision and has been well studied in the last decades. A key component for achieving robust tracking is the tracker＇s capability of updating its internal representation of tragets to capture the varying appearance. Although numberous approaches have been proposed, many challenging problems still remain in designing an effective model of the appearance of tracked objects. In recent years, the methods of appearance model associated with statistical learning have been promoting the study for video object tracking. To help reader swiftly learn the rencent advances and trends so as to easily grasp the key problems of visual object tracking based on appearance models learning, a detailed review of the existing appearance learning models is provided. Here, the mechanism of the tracking algorithm based on appearance model learning is introduced firstly. Then the state-of-the-art feature descriptors are analyzed to show their different performance. Meanwhile, the tracking progress is categorized into three main groups, and the character of representative methods in each group are compared and analyzed in detail. Finally, the current research on the tracking methods based appearance model learning is summarized and classified, and the further application and research trend is discussed.