研究生: |
陳家祥 CHIA-HSIANG CHEN |
---|---|
論文名稱: |
基於統計式高斯混合背景模型與卡爾曼濾波器於智慧型監控之應用 An Intelligent Surveillance Based on Statistical Gaussian Mixture Background Model with Kalman Filter |
指導教授: |
洪西進
Shi-Jinn Horng |
口試委員: |
辛錫進
Hsi-Chin Hsin 沈榮麟 Victor R.L. Shen 謝仁偉 Jen-Wei Hsieh 林韋宏 Wei-Hung Lin |
學位類別: |
碩士 Master |
系所名稱: |
電資學院 - 資訊工程系 Department of Computer Science and Information Engineering |
論文出版年: | 2011 |
畢業學年度: | 99 |
語文別: | 中文 |
論文頁數: | 60 |
中文關鍵詞: | 智慧型監控 、高斯混合模型 、卡爾曼濾波器 、追蹤 |
外文關鍵詞: | intelligent surveillance system, Gaussian mixture model, Kalman filter, tracking |
相關次數: | 點閱:381 下載:11 |
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高斯混合模型(Gaussian Mixture Model)常被用在各種智慧型監控系統中來分離出前景與背景。此方法雖然能有效偵測出移動中之前景,但是,若移動目標物停留在畫面上過久則會被吸收成為背景的一部分,此問題會影響前景偵測的準確性,同時後續追蹤的正確性也會受影響。
本論文提出一結合卡爾曼濾波器(Kalman filter)和高斯混合模型(簡稱為KGMM)來分離前景與背景,並用它來偵測及追踪人員於警戒區域周圍的安全。本方法可有效地分離前景與背景,改善傳統高斯混合型中前景物件停留過久會融於背景的問題,用以提高前景偵測之準確性。在實驗中我們將提出的方法結合追蹤與路徑分析的技術並應用於焚化爐周圍環境的安全管理。當人員進入警戒區域或不慎掉落到危險區域時,能及時提出警報且不受到垃圾車移動或是掉落的垃圾而影響判斷。此外,亦可應用於火車月台及圍牆周圍安全等監控偵測。透過不同場景的實驗,證明本方法可以有效克服前景物件停留原地而被吸收成為背景的問題。
Gaussian mixture background model is one of the most popular motion detection methods in intelligent surveillance system for separating the foreground from the background. Although this method can detect the moving object effectively. But, the object will be considered as a component of the background, if the object stays on the same place last for a while. This problem will affect the accuracy of the following detection and tracking steps.
In this thesis, we proposed a method (named as KGMM) based on Gaussian Mixture Model with Kalman filter to solve the above problem and used it to detect and track the people around the warning area. This motion detection method can correctly detect the stopped objects and moving objects on the screen. In our experiment, we integrate it with tracking and path analysis technologies into the surveillance to monitor the safety of the surrounding areas of the incinerator. It will alarm in time when someone gets into the warning area, or falls into the dangerous area. Also, this can be used to monitor the safety of the railway platform and enclosing wall. Based on the experiments with difference scenes, the proposed method can effectively solve the foreground melted into background problem.
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