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研究生： 吳逢瑋
Wu, Feng-Wei
論文名稱： 由單一動漫風格圖像建立頭髮模型
Hair Modeling from A Single Anime-Style Image
指導教授： 李同益
Lee, Tong-Yee
學位類別： 碩士
Master
系所名稱： 電機資訊學院 - 資訊工程學系
Department of Computer Science and Information Engineering
論文出版年： 2018
畢業學年度： 106
語文別： 英文
論文頁數： 41
中文關鍵詞： 動漫頭髮建模 、單一視角建模
外文關鍵詞： anime hair modeling, single-view modeling
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    • 我們提出了一種從單一動漫風格的圖像中建立頭髮模型的新方法。從 Yeh et al. [2015] 獲得的信息和一個手動調整的橢圓形頭部, 我們的系統依循三步驟執行管道,重建 hair clump, 通過創建 hair-hair graph 來確定它們厚度並估計它們與橢圓形頭部相對的位置, 並基於 hair-hair graph 將它們附著到橢圓形頭部。重建結果與公仔具有相同的 clumpy effect, 並且它們比最先進方法 [Yeh et al., 2015] 擁有更多的觀看視角。

    We propose a novel approach to model hair from an anime-style image. With information obtained from Yeh et al. [2015] and a manually adjusted oval head, our system follows a three-steps pipeline which reconstructs hair clumps, determines the thickness and estimates positions of them relating to the oval head by creating a hair-hair graph, and attaches them to the oval head based on the hair-hair graph. Reconstructed results have the same clumpy effect as action figures, and they have more view angles than the state-of-the-art method [Yeh et al., 2015].

    Abstract(Chinese) . i Abstract . ii Acknowledgement . iii Table of Contents . iv List of Tables . vi List of Figures . vii 1 Introduction . 1 2 Related Work . 4 2.1 Anime hair modeling . 4 2.2 Realistic hair modeling . 5 2.3 Reconstruction of an object or character . 5 3 Overview . 7 4 Reconstruction . 9 4.1 Preprocessing complete hair segments . 10 4.2 Estimating hidden parts of hair segments . 10 4.3 Reconstruction of hair clumps . 11 5 Relayering . 13 5.1 Definition of a hair-hair graph . 13 5.2 Creation of a hair-hair graph . 15 5.3 Amounts of hair-hair adjustment . 19 6 Attachments . 21 6.1 Depth estimation . 21 6.2 Hair clump attachments . 25 6.3 Hair clump refinement . 27 7 Results . 30 7.1 Comparison . 32 7.2 Performance . 32 8 Conclusion . 34 References . 35 Appendices . 39 A A Mathematical Model of Hair Clumps . 40 A.1 Skeletons . 40 A.2 Bevel objects . 41 A.3 Taper objects . 41

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