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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)
We present a new system that integrates computer graphics, physics-based modeling, and interactive visualization to assist knee study and surgical operation. First, we discuss generating patient-specific three-dimensional (3-D) knee models from patient's magnetic resonant images (MRIs). The 3-D model is obtained by deforming a reference model to match the(More)