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Front. Inform. Technol. Electron. Eng.  2012, Vol. 13 Issue (7): 510-519    DOI: 10.1631/jzus.C1100342
    
Preserving global features of fluid animation from a single image using video examples
Yan Gui, Li-zhuang Ma, Chao Yin, Zhi-hua Chen
School of Electronic, Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; Department of Computer Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
Preserving global features of fluid animation from a single image using video examples
Yan Gui, Li-zhuang Ma, Chao Yin, Zhi-hua Chen
School of Electronic, Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; Department of Computer Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
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摘要： We synthesize animations from a single image by transferring fluid motion of a video example globally. Given a target image of a fluid scene, an alpha matte is required to extract the fluid region. Our method needs to adjust a user-specified video example for producing the fluid motion suitable for the extracted fluid region. Employing the fluid video database, the flow field of the target image is obtained by warping the optical flow of a video frame that has a visually similar scene to the target image according to their scene correspondences, which assigns fluid orientation and speed automatically. Results show that our method is successful in preserving large fluid features in the synthesized animations. In comparison to existing approaches, it is both possible and useful to utilize our method to create flow animations with higher quality.
关键词： Single image;  Video example;  Fluid feature;  Fluid motion;  Flow animation    
Abstract: We synthesize animations from a single image by transferring fluid motion of a video example globally. Given a target image of a fluid scene, an alpha matte is required to extract the fluid region. Our method needs to adjust a user-specified video example for producing the fluid motion suitable for the extracted fluid region. Employing the fluid video database, the flow field of the target image is obtained by warping the optical flow of a video frame that has a visually similar scene to the target image according to their scene correspondences, which assigns fluid orientation and speed automatically. Results show that our method is successful in preserving large fluid features in the synthesized animations. In comparison to existing approaches, it is both possible and useful to utilize our method to create flow animations with higher quality.
Key words: Single image    Video example    Fluid feature    Fluid motion    Flow animation
收稿日期: 2011-11-18 出版日期: 2012-07-06
CLC:  TP391.4  
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Yan Gui
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引用本文:

Yan Gui, Li-zhuang Ma, Chao Yin, Zhi-hua Chen. Preserving global features of fluid animation from a single image using video examples. Front. Inform. Technol. Electron. Eng., 2012, 13(7): 510-519.

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http://www.zjujournals.com/xueshu/fitee/CN/10.1631/jzus.C1100342    或    http://www.zjujournals.com/xueshu/fitee/CN/Y2012/V13/I7/510

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