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Progressive rendering with multiresolution 3D meshes

A progressive 3D mesh rendering technique is investigated in this research. This method renders a multi-resolution 3-D triangle mesh by exploiting the smooth transition of an object in the spatial and temporal domains. To be more specific, when a vertex split technique is used to get a refined mesh, we consider a new rendering technique that will automatically determine which parts of the newly generated polygons are visible and perform the rendering accordingly. Since the process of dynamic splitting can be performed iteratively for many times, the error of a progressive rendered result tends to accumulate along the process. To control the visual quality of the rendered image, we can set a threshold or a constant number of steps for the 3D models to be rendered from the scratch, and we call it the graphic refresh. Experimental results are given to show the performance of the proposed progressive rendering algorithm.