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Item Hierarchical Texture Synthesis on 3-D Surfaces(Eurographics Association, 1989) Bennis, Chakib; Gagalowicz, AndreThis paper presents a new method for synthesizing hierarchical textures on 3-D surfaces. This method utilizes both a mapping technique for rendering the macroscopic structure on the surface and a generalization of the direct 3-D microscopic synthesis algorithms (presented in earlier publications) for generating a homogeneous texture inside each pattern. To produce the macroscopic structure on the 3-D shape a new mapping technique is proposed. With this technique patterns distortion is minimized locally. Finally a solution to the aliasing problem adapted to our mapping is given.Item 2-D Macroscopic Texture Synthesis(Blackwell Publishing Ltd and the Eurographics Association, 1989) Bennis, Chakib; Gagalowicz, AndreWe present a new macroscopic texture synthesis method based upon a hierarchical macroscopic texture model. Our model allows the composition of various patterns which can be themselves distorted spatially. Such a method is able to simulate a vast class of realistic macro-textures.