| dc.contributor.advisor | 何瑁鎧 | zh_TW |
| dc.contributor.advisor | Hor, Maw Kae | en_US |
| dc.contributor.author (作者) | 李澤毅 | zh_TW |
| dc.contributor.author (作者) | Li, Ze Yi | en_US |
| dc.creator (作者) | 李澤毅 | zh_TW |
| dc.creator (作者) | Li, Ze Yi | en_US |
| dc.date (日期) | 2009 | en_US |
| dc.date.accessioned | 8-十二月-2010 02:00:32 (UTC+8) | - |
| dc.date.available | 8-十二月-2010 02:00:32 (UTC+8) | - |
| dc.date.issued (上傳時間) | 8-十二月-2010 02:00:32 (UTC+8) | - |
| dc.identifier (其他 識別碼) | G0947530121 | en_US |
| dc.identifier.uri (URI) | http://nccur.lib.nccu.edu.tw/handle/140.119/49167 | - |
| dc.description (描述) | 碩士 | zh_TW |
| dc.description (描述) | 國立政治大學 | zh_TW |
| dc.description (描述) | 資訊科學學系 | zh_TW |
| dc.description (描述) | 94753012 | zh_TW |
| dc.description (描述) | 98 | zh_TW |
| dc.description.abstract (摘要) | 隨著GIS的發展，地圖定位成為空間查詢中極為普遍的行為。一般地圖定位大多透過地址來進行，但是在缺乏地址的情況之下，進行地圖上之定位變成極為困難之事。 本論文嘗試對手繪地圖在真實地圖上進行定位，我們提出了一套機制，使用者可以隨意地以手繪方式繪製街道圖與地標，透過我們提出的方法，即可自動地在真實的地圖上進行定位。 論文中，我們使用相鄰街廓中之地標配置與相鄰之交叉路口之地標配置等變數組成的表示法來描述地圖。我們將手繪地圖與真實地圖轉換成這些表示法，並透過字串編輯距離、圖同構等關係來比較手繪地圖與真實地圖之相似度，從而對手繪地圖進行定位。 實作中，我們挑選了幾處真實場景在台北市地圖中進行比對並觀察其結果。系統採用之地標包括政府機構(如派出所、消防隊、區公所等)、學校、醫院等資料。在實驗中，應用這套表示法可成功的定位出使用者所輸入之各場景所在位置。另外，透過控制相似度門檻值，我們可以調整辨識之精確度，不至於錯失可能之定位結果。 | zh_TW |
| dc.description.abstract (摘要) | As the widely spread of the GIS applications, map localization becomes one of the most important features in the spatial information retrieval. Normally, map localization is done through street addresses. Without this information, map localization becomes very difficult. In this research, we are trying to do map localization using hand drawing maps. We proposed a mechanism that can localize the user`s drawing map in the reference map automatically. Our approaches use the landmark configurations of the adjacent street blocks as well as the landmark configurations of the adjacent street intersections as the descriptors in representing a map. The user`s hand drawn maps and the reference maps are converted into these representations. The string editing distances and graph isomorphism are used in determining the similarities between the hand drawn map and the reference map. The map localization can be done by comparing these similarities. We used various real scenes in Taipei City to verify our systems. The landmarks we used including police offices, fire stations, county offices, schools and hospitals, etc. The experimental results shown that our system can localize the user`s input successfully. Moreover, by controlling thresholds in similarity analysis, we can adjust the system`s accuracy that reduces possibility of miss localizations. | en_US |
| dc.description.tableofcontents | 第 1 章 緒論........................ 1 1.1 簡介........................ 1 1.2 問題描述.................... 2 1.3 研究動機.................... 3 1.4 研究目的.................... 4 1.5 章節架構.................... 5 第 2 章 相關研究.................... 6 2.1 關係特徵.................... 6 2.2 圖層疊合.................... 10 2.3 其他相關研究................ 14 第 3 章 系統資料前處理與描述子建立.. 15 3.1 問題說明與系統架構簡介...... 17 3.2 前處理系統架構.............. 22 3.3 地標向量.................... 27 3.4 地標配置.................... 28 3.5 相鄰配置.................... 30 3.6 特徵點組成.................. 32 3.7 樣式表...................... 34 第 4 章 檢索與比對方法.............. 38 4.1 概論與架構.................. 39 4.2 範例地圖特徵點與檢索前處理.. 42 4.3 地標向量比對................ 43 4.4 地標配置比對................ 47 4.5 相鄰配置比對................ 57 4.6 特徵點組成比對.............. 64 4.7 檢索系統架構................ 69 第 5 章 系統架構、實驗與結果........ 74 5.1 手動前處理.................. 74 5.2 參數設計.................... 78 5.3 實驗設計.................... 82 5.4 實驗結果與評估.............. 84 5.5 實驗總結.................... 96 第 6 章 討論與未來研究.............. 98 引用文獻與參考資料..........100 | zh_TW |
| dc.language.iso | en_US | - |
| dc.source.uri (資料來源) | http://thesis.lib.nccu.edu.tw/record/#G0947530121 | en_US |
| dc.subject (關鍵詞) | 地理資訊系統 | zh_TW |
| dc.subject (關鍵詞) | 地理資訊檢索 | zh_TW |
| dc.subject (關鍵詞) | 極座標表示法 | zh_TW |
| dc.subject (關鍵詞) | 街道圖 | zh_TW |
| dc.subject (關鍵詞) | 地標 | zh_TW |
| dc.subject (關鍵詞) | GIS | en_US |
| dc.subject (關鍵詞) | Geographical Information Retrieval | en_US |
| dc.subject (關鍵詞) | Polar coordinate representation | en_US |
| dc.subject (關鍵詞) | Street map | en_US |
| dc.subject (關鍵詞) | Landmark | en_US |
| dc.title (題名) | 街道特徵與地標位置識別之研究 | zh_TW |
| dc.title (題名) | Content-based map localization using street map with landmarks | en_US |
| dc.type (資料類型) | thesis | en |
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