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【极市】第15期分享 王蒙蒙-基于计算机视觉的目标跟踪算法概览.pdf

发布时间：2022-06-19 发布人：admin 分类：说明书 资料大小：3.63M 资料格式：pdf 举报 版权申诉
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    Visual Object Tracking Mengmeng Wang mengmewang@gmail.com 知乎专栏： 目标跟踪算法 4/25/2017
    Outline Overview about visual tracking Typical Trackers  CF based trackers  KCF (João F. Henriques) High-Speed Tracking with Kernelized Correlation Filters  LMCF (Our work) Large Margin Object Tracking with Circulant Feature Maps  CNN based trackers  SiamFC (Hyeonseob Nam) Fully-Convolutional Siamese Networks for Object Tracking  ECO (Martin Danelljan) Efficient Convolution Operators for Tracking Summary &Tips
    01PART ONE ▶ 我们关注的问题 01 研究背景与意义 Overview What is visual tracking? Object Given The tracker is initialized with a bounding box in the first frame Single Object Mainly focus on single object tracking. Visual Tracking Model-Free Without using any explicit appearance or shape model Real-time It is better to track an object in real-time for practical application
    01 研究背景与意义 Overview 01PART ONE ▶ 我们关注的问题 ▶ 我们关注的问题 What is visual tracking? Where is the baby?
    01 研究背景与意义 Overview ▶ 我们关注的问题 ▶ 我们关注的问题 1.1 研究背景 01PART ONE 1 3 What is visual tracking? 2 4 1 2 3 Service robot Intelligent monitoring Intelligent Transportation 4 Human-computer interaction
    01 研究背景与意义 Overview ▶ 我们关注的问题 ▶ 我们关注的问题 1.1 研究意义 1.1 研究背景 01PART ONE 1 What is visual tracking? 2 3 4 1 Motion Blur 2 Occlusion 3 Deformation 4 Scale Variation Difficulty A lot of challenging Lack of training samples
    02 国内外研究现状 ▶从两方面进行分类 ▶ 我们关注的问题 ▶ 我们关注的问题 1.1 研究意义 1.1 研究背景 01PART ONE Overview Existing Trackers
    02 国内外研究现状 2.1 目标特征表示：低层特征表示 PART TWO 02 Typical Trackers KCF: High-Speed Tracking with Kernelized Correlation Filters • Cross-Correlation A measure of similarity of two series as a function of the displacement of one relative to the other. • Circulant Matrices All circulant matrices are made diagonal by the Discrete Fourier Transform (DFT). O(K3)→O(KlogK)
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