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研究生: 王思穎
Szu-Ying Wang
論文名稱: 植基於人類視覺效果之改良式失焦影像合成法
Improved Fusion Method for Out-Of-Focus Images with Human Visual Effect
指導教授: 陳秋華
Chyou-Hwa Chen
鍾國亮
Kuo-Liang Chung
口試委員: 傅楸善
Chiou-Shann Fuh
古鴻炎
Hung-Yan Gu
黃詠淮
Yong-Huai Huang
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: 2008
畢業學年度: 96
語文別: 中文
論文頁數: 31
中文關鍵詞: 動態規劃影像合成小波轉換多階分解失焦
外文關鍵詞: Dynamic Programming, Image fusion, Discrete Wavelet Transform, Multiscale decomposition, Out-of-focus
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  • 影像合成的目的是將多張相同場景的影像之資訊合併。影像合成的結果是一張新影像,這張新影像更合適於人或機器感知、或用來進行更進一步的影像處理作業。在這篇論文中,我們提出了一個新的方法來合成兩張失焦部分有部分重疊的照片,讓合成出來的圖片在失焦重疊的部分能有更好的視覺效果。這個新方法是使用離散小波轉換來進行合成並找出失焦重疊的部份,再使用兩階段的動態規劃演算法進行像素配對,最後根據配對的結果,我們利用內插法來修補重疊部分的灰階值,以達到更好的視覺效果。


    The objective of image fusion is to combine information from multiple images of the same scene. The result of image fusion is a new image which is more suitable for human and machine perception or further image-processing tasks. In this paper, we propose a new method to fuse two out-of-focus images where the out-of-focus area are overlapped that the fused image has the better human visual effect. This method first fuses two out-of-focus images and locates the overlapped out-of-focus area, then it matches pixels by using two level dynamic matching algorithm, and finally we reconstruct the graylevel values of pixels in overlapped out-of-focus area by interpolation method for better human visual effect.

    第 一 章 緒 論1 第 二 章 失 焦 影 像 合 成3 2.1 多階分解3 2.2 失焦合成4 2.3 影像內插6 第 三 章 改 良 式 失 焦 影 像 合 成 法12 3.1 檢驗失焦重疊區塊12 3.2 於重疊區塊上應用改良式內插法修補13 第 四 章 實 驗 結 果17 第 五 章 結 論21 參 考 文 獻22

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    [2] Sirikham, A. and Kumwilaisak, W. “Image Error Concealment Using Optimized Local Pixel Matching and Directional Interpolation,” Int. Conf. on Advanced Communication Technology, vol. 2, pp. 939–944, Feb. 2007.
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    [5] S. G. Mallat, “A theory for multiresolution signal decomposition: The wavelet representation,” IEEE Trans. Pattern Anal. Machine Intell., vol. PAMI-11, pp. 674–693, July 1989.

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