Visual Tracking by Particle Filtering with Online Learning

碩士 === 國立雲林科技大學 === 電子工程系 === 102 === Visual tracking has been one of the main research topics in computer vision for years. Although there are a variety of approaches developed for visual tracking, in this work we concentrate on the particle filter-based approach. Particle filter-based video obje...

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Bibliographic Details
Main Authors: Shih-Fong Tai, 戴世峯
Other Authors: Leu-Shing Lan
Format: Others
Language:zh-TW
Published: 2014
Online Access:http://ndltd.ncl.edu.tw/handle/74548930937809265040
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Summary:碩士 === 國立雲林科技大學 === 電子工程系 === 102 === Visual tracking has been one of the main research topics in computer vision for years. Although there are a variety of approaches developed for visual tracking, in this work we concentrate on the particle filter-based approach. Particle filter-based video object has achieved considerable success in recent years, enjoying the advantages of flexibility, ease of implementation, and capability to deal with nonlinear motion and non-Gaussian environments. However, tracking drift and failure may occur in certain complex situations. We adopt an incremental learning scheme for particle filter-based tracking, with the following modifications: (1) a new mechanism to select the optimal particle, and (2) online learning of the templates on a timely basis which copes with variations of the tracking environment. Extensive tests on real-life video sequences confirm the effectiveness of the proposed scheme.