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—Grass is an essential element of natural scenes, which plays an important role in various fields of applications, such as virtual reality, computer games and special effects of movie. Unfortunately, it is still difficult to render and animate grass with interactive frame rates due to the huge number and wide covering range of grass blades. Realistic(More)
Nonlinear projections and implementations are largely unexplored in 3D environments. A technique for generating deformed 3D visual effects using nonlinear perspective projections allows real-time navigation of 3D environments. The authors derive their deformation algorithms from 3D nonlinear perspective projections, which consider factors such as depth,(More)