Image-based Building Shadow Generation by Shape from Shadow Silhouette Technique (論文小特集 映像情報の検索技術と編集処理)
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概要
- 論文の詳細を見る
The study on image-based method, such as image-based rendering, image-based object, promotes a new problem called Image-based Shadow Generation. Image-based shadow generation aims at generating new shadows from a few reference images. As a start of the image-based shadow generation problem, building, as a representative of man-made object, is chosen as our study object in this paper. To solve the problem of image-based building shadow generation, we propose a new technique called shape from shadow silhouette, which reconstructs 3D model of building. This technique consists of three step : shadow extracting & transforming, shadow complementing, and shape modeling. By this technique, the rough 3D model of buildign can be recovered from several reference shadow images, then new shadow can be generated easily and quickly by this recovered model. The experimental results are given in this paper. The efficiency of our approach is demonstrated by the results.
- 社団法人映像情報メディア学会の論文
- 2001-03-20
著者
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NAKAJIMA Masayuki
Graduate School of Information Science & Engineering, Tokyo Institute of Technology
-
Zhang Xiaohui
Graduate School Of Information Science & Engineering Tokyo Institute Of Technology
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Nakajima Masayuki
Graduate School Of Information And Engineering Tokyo Institute Of Technology
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