Image processing apparatus and image processing program

Details Image processing apparatus and image processing program Image processing apparatus and image processing program

2005-03-22

2005-03-22

Zimmerman, Mark (Department: 2671)

Computer graphics processing and selective visual display system

Computer graphics processing

Animation

Reexamination Certificate

active

06870536

ABSTRACT:
An image processing apparatus and an image processing program capable of sufficiently representing changes in undulations of a water surface without deforming the surface of an object. A water surface object B is so set as to be larger than a water surface area to be actually represented and to has undulations formed in the neighborhood of a boundary line portion meeting a land object A. The place position is determined so that the position of this entire water surface object B is moved at predetermined time (frame) intervals. Thus, it is possible to change in shape only the boundary portion where the water surface and the land meet, and to represent undulations of the water surface as if water is undulating. Furthermore, the shapes of polygons composing the water surface object B are not individually changed, but the entire water surface object B having a particular shape is moved. Therefore, the amount of computation in image processing necessary for representing undulations of the water surface becomes small.

REFERENCES:
patent: 6483520 (2002-11-01), Uchi et al.
Modeling Waves and Surf. Darwyn R. Peachey. ACM Siggraph Computer Graphics , Proceedings of the 13th annual conference on Computer graphics and interactive techniques. vol. 20 Issue 4. Aug. 1986.*
A Simple Model of Ocean Waves. Alain Fournier; William T. Reeves. ACM Siggraph Computer Graphics , Proceedings of the 13th annual conference on Computer graphics and interactive techniques. vol. 20 Issue 4. Aug. 1986.

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