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Problem statement: Subdivision surfaces were applied to the entire meshes in order to&#13; produce smooth surfaces refinement from coarse mesh. Several schemes had been introduced in this&#13; area to provide a set of rules to converge smooth surfaces. However, to compute and render all the&#13; vertices are really inconvenient in terms of memory consumption and runtime during the subdivision&#13; process. It will lead to a heavy computational load especially at a higher level of subdivision. Adaptive&#13; subdivision is a method that subdivides only at certain areas of the meshes. Although subdivision&#13; occurs at the selected areas, quality of produced surfaces can be preserved similar to a regular&#13; subdivision surfaces. Nevertheless, adaptive subdivision process suffers because of two reasons;&#13; calculations need to be done to define areas that required to be subdivided and to remove cracks&#13; created from the subdivision depth difference between selected and unselected areas. Cracks must be&#13; removed because it creates artifacts in editing, rendering and processing of the mesh. Approach: This&#13; research brings to iterative adaptive subdivision to improve simple adaptive subdivision surfaces&#13; method for triangular meshes. Results: The result of this iterative process presented to produce fewer&#13; polygons while it preserve smoother. Conclusion: The proposed method created surfaces of better&#13; quality, computationally more efficient and occupied less memory as compared to original method

Iterative Process to Improve Simple Adaptive Subdivision Surfaces Method for Triangular Meshes