Abstract
Weathering and aging effects are essential for synthesizing realistic outdoor images in the field of film production and scene production. The problem here is that photographed materials do not yield desired images without editing, and manual painting requires labor-intensive work as well as professional skills. In this paper, we focus on a salient aging effect, stains by water flows, and present a system that allows the user to add such stains directly and easily onto outdoor images. Our system represents a water droplet with a particle and simulates the dissolution, transport and sedimentation of deposits using particles in the regions specified by the user. In the simulation, realistic and complex stains can be obtained by accounting for the roughness of the surface where water flows. Furthermore, the user can adjust the amount of deposits according to the perspective in the image. The quick feedback of the simulation enables interactive manipulation. We demonstrate the effectiveness of our system through various results and user evaluations.
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Endo, Y., Kanamori, Y., Mitani, J., Fukui, Y. (2010). An Interactive Design System for Water Flow Stains on Outdoor Images. In: Taylor, R., Boulanger, P., Krüger, A., Olivier, P. (eds) Smart Graphics. SG 2010. Lecture Notes in Computer Science, vol 6133. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-13544-6_16
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DOI: https://doi.org/10.1007/978-3-642-13544-6_16
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