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Dynamic Object Tracking by Partial Shape Matching for Video Surveillance Applications

机译:用于视频监控应用的部分形状匹配的动态目标跟踪

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摘要

In this thesis, an algorithm for object tracking through frames of video using a fast partial shape matching technique is proposed. The tracking is divided into two modules: 1) moving object extraction followed by color/edge segmentation, and 2) tracking through frames using partial shape matching. The major challenges of object tracking, such as occlusions, splitting of one object and appearance and disappearance of objects, are effectively resolved. The proposed algorithm is tested on several synthetic and real life video sequences and is shown to be very effective in identifying and tracking moving objects independent of translations, rotations, scale variations and occlusions.The novelty of the proposed algorithm lies in its ability to independently track full and partial objects undergoing split, merge and occlusion scenarios independent of their location and scale in the scene. . The technique assumes that: 1) the video frames are captured at 30 frames per second in order for the object(s) motion (translation, rotation, isometric scale variations) to be well modeled by an affine transformation, 2) the object(s) being tracked are larger than a certain number of pixels to allow for comprehensive shape modeling, and 3) the video camera is kept stationary.
机译:在本文中,提出了一种通过使用快部分形状匹配技术通过视频帧进行对象跟踪的算法。跟踪分为两个模块:1)移动对象提取,然后通过使用局部形状匹配跟踪框架的彩色/边缘分段。有效地解决了物体跟踪的主要挑战,例如闭塞,分裂一个物体和物体的外观和消失,是有效的。在若干合成和现实生活视频序列上测试了所提出的算法,并且被证明是非常有效地识别和跟踪独立于翻译,旋转,比例变化和闭塞的移动对象。所提出的算法的新颖性在于其独立跟踪的能力完整和部分对象正在接受分割,合并和遮挡场景,与其位置和尺度无关。 。该技术假设:1)视频帧以每秒30帧捕获,以便对象(转换,旋转,等距变化)通过仿射变换建模,2)对象(s被跟踪的)被允许允许综合形状建模的一定数量的像素,3)摄像机保持静止。

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