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研究生: 賴孟庭
Meng-Ting Lai
論文名稱: 路徑規劃之Google街景圖自動串接
Automatic Video Generation from Google Street View Following a Path
指導教授: 楊傳凱
Chuan-Kai Yang
口試委員: 林伯慎
Bor-Shen Lin
梁容輝
Rung-Huei Liang
學位類別: 碩士
Master
系所名稱: 管理學院 - 資訊管理系
Department of Information Management
論文出版年: 2012
畢業學年度: 100
語文別: 中文
論文頁數: 37
中文關鍵詞: 街景圖道路消失點影像內插
外文關鍵詞: Google Street View, Lane Vanishing Point, Image Interpolation
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  • 網路地圖的應用日新月異,自Google推出街景圖後,立基於街景圖的創意更是令人驚艷,其中不少是利用大量且連續地變換街景圖來創造視覺效果,我們因此發想一個應用使Google街景圖可以自動串接。
    使用者在網頁上輸入一組有效起訖地址後,本系統可自動產生甲地到乙地的一段影片。系統流程分兩大部分,第一部分:透過Google API傳回兩地間之導航資訊,計算路程中會經過的GPS位置,並下載沿路的街景圖,此部分使用者可直接在瀏覽器上觀看街景的圖片轉換;第二部分:前步驟取得沿路的街景圖後,先偵測每張圖的道路消失點(Vanishing Point),再利用消失點對齊圖片,最後將每張圖片串連成影片供使用者下載,本研究著重在都會市區的直線道路模擬,對於山區或鄉間彎曲道路的模擬則留至未來再討論。


    Applications on electronic maps have made a major progress over the past few years. Since Google launched street view maps, many impressive creations based on street views have been brought to us. Many of them are using the idea of stringing up lots of street view to create special visual effects. We therefore want to create an application that can automatically string up Google street views.
    When a user gives a start and end addresses on a web page, our system can automatically output a video which is generated from the Google street view images between the two locations. Our system can be divided into two parts. First, we retrieve the GPS locations where a street view exists on the path through Google API. Here, a user can see images being replaced repeatedly on a browser. Second, we download the images according to the GPS we obtained in the first part. After detecting the vanishing point of the road in every image, we use these vanishing points to align images. The aligned images will then be stringed up as a video for the user to download.
    Our research focuses on animating straight roads often seen in metropolitan areas, as for winding-roads, they will be left for future work.

    1. 緒論 1 1.1 研究動機 1 1.2 系統架構 2 1.3 系統貢獻 3 2. 文獻探討 4 2.1 街景圖應用 4 2.2 直線偵測 7 2.3 道路消失點偵測 9 2.4 影像內插 12 3. Google API資料計算 15 3.1 導航回傳 15 3.2 轉彎角度計算 16 3.3 街景圖下載 17 4. 街景圖影像處理 20 4.1 街景圖對齊 21 4.1.1 道路線偵測 21 4.1.2 尋找道路消失點 22 4.2 串接動畫 25 4.2.1 逐格動畫 25 4.2.2 模擬直行 26 4.2.3 模擬轉彎 28 5. 實驗結果 29 5.1 系統環境 29 5.2 系統畫面 30 5.3 影像處理時間 31 5.4 道路消失點偵測討論 32 5.5 擬真模擬結果 33 6. 結論與未來展望 35 參考文獻 36

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