淡江大學機構典藏:Item 987654321/77458
English  |  正體中文  |  简体中文  |  全文筆數/總筆數 : 62805/95882 (66%)
造訪人次 : 3936343      線上人數 : 847
RC Version 7.0 © Powered By DSPACE, MIT. Enhanced by NTU Library & TKU Library IR team.
搜尋範圍 查詢小技巧:
  • 您可在西文檢索詞彙前後加上"雙引號",以獲取較精準的檢索結果
  • 若欲以作者姓名搜尋,建議至進階搜尋限定作者欄位,可獲得較完整資料
  • 進階搜尋
    請使用永久網址來引用或連結此文件: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/77458


    題名: 具有方向性之3D影像修補技術
    其他題名: Directional hole-filling method for 3D view generator
    作者: 柴宏穎;Chai, Hung-Ying
    貢獻者: 淡江大學資訊工程學系資訊網路與通訊碩士班
    顏淑惠;Yen, Shwu-Huey
    關鍵詞: 基於深度圖的影像呈現 (DIBR);破洞修補;Depth-image-based-rendering (DIBR);Hole filling
    日期: 2012
    上傳時間: 2012-06-21 06:46:29 (UTC+8)
    摘要: 透過Depth image based rendering (DIBR)的技術,我們可以將一張2D的彩色影像,搭配相對應的深度圖,合成出一張虛擬的3D影像出來。然而,透過DIBR所合成出來虛擬的3D影像會在新影像上產生破洞(Hole) ,降低3D影像的品質。一般來說,為了避免新合成的3D影像產生破洞,常見的做法是先對整張深度圖做平滑處理,目的在縮小相鄰兩點的位移差距,減小破洞的大小。但這種做法會在新影像上產生另一種幾何失真的問題。因此,在本篇研究中,我們提出一個基於紋理方向偵測的修補方式。針對可能產生破洞的地方先做紋理方向的判斷,判斷出紋理方向後破洞依該方向做修補。實驗結果顯示,我們的做法能保有完整的深度資訊,可以避免大部分的幾何失真,減少計算的時間。
    The Depth Image Based Rendering (DIBR) technology is a common approach to create a virtual 3D image from one single 2D image together with the corresponding depth image. However, holes caused by disocclusion in the warped left/right images become a problem. To reduce the sizes and the number of holes, smoothing the depth image is often adopted. But smoothing also results geometric distortions and degrades the depth image quality. In this study, a hole filling method based on the edge texture direction is proposed. Texture directional information is first probed in the background pixels where holes will take place after warping. Then, in the warped image, holes are filled according to their directions. Experimental results showed that this algorithm preserves the complete depth information and reduces the amount of geometric distortion as expected.
    顯示於類別:[資訊工程學系暨研究所] 學位論文

    文件中的檔案:

    檔案 大小格式瀏覽次數
    index.html0KbHTML238檢視/開啟

    在機構典藏中所有的資料項目都受到原著作權保護.

    TAIR相關文章

    DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library & TKU Library IR teams. Copyright ©   - 回饋