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研究生: 鄭宇翔
Cheng, Yu-Hsiang
論文名稱: 基於虛擬全景拼接技術之地標辨識
A Virtual Mosaic Framework for Landmark Recognition
指導教授: 許秋婷
Hsu, Chiou-Ting
口試委員:
學位類別: 碩士
Master
系所名稱: 電機資訊學院 - 資訊系統與應用研究所
Institute of Information Systems and Applications
論文出版年: 2010
畢業學年度: 99
語文別: 中文
論文頁數: 33
中文關鍵詞: 虛擬全景拼接技術地標辨識
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  • 中文摘要
    本論文提出一個虛擬全景拼接技術(virtual mosaic)用於地標辨識。虛擬全景拼接透過結合多張影像的資訊來表示一個地標。在訓練階段,我們儲存每個特徵點的特徵描述(descriptor),並用鄰接矩陣(adjacency matrix)來代表特徵點之間的空間關係。在測試階段,由於地標通常是拍攝自不同視角,所以在測試前我們將測試圖片經過適當的校正。實驗結果顯示,適當的校正可以幫助提高辨識率。此外,虛擬全景拼接技術可以有效的節省比對時間以及每個地標所需的儲存空間。


    中文摘要 I ABSTRACT II 1. INTRODUCTION 1 2. RELATED WORK 2 2.1 Feature representation 2 2.1.1 Global feature schemes 2 2.1.2 Point-based schemes 3 2.1.3 Region-based schemes 4 2.2 Viewpoint issue 5 2.3 False matching problem 6 3. PROPOSED METHOD 10 3.1 Motivation 10 3.2 Construction of virtual mosaic 11 3.2.1 Feature point detection 11 3.2.2 Feature point registration 11 3.2.3 Construction of virtual mosaic 13 3.3 The query phase 13 3.3.1 Query image registration 14 3.3.2 Detecting the matching building 14 4. EXPERIMENTAL RESULTS 20 4.1 Database and setting 20 4.2 Validation of virtual mosaic 20 4.3 Comparison with other methods 21 4.4 Discussion 22 5. CONCLUSION 30 6. REFERENCES 31

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