A New Texture Generating Algorithm: Random Increment Streamline Method

摘要

For quickly generating more expressive texture of vector field, Random Increment Streamline method was proposed, in which texture can be generated without convolution. Firstly, the concept of “Texture Unit” was put forward, and the processing of irregular grid was transformed into the texture unit of the rule. Secondly, the process of point location and interpolation of all texture units, using “Seed Filling Preprocessing” method, was completed before the streamline tracking. Finally, the texture unit which encircling the seed of each streamline was given an asymptotically normal distributed random number as its grey value, then each unit along the streamline was given a number as its grey value which was a sum of the grey value of previous unit and a uniformly distributed random number, it can make LIC-style texture. Experiments proved that the algorithm is efficient, flexible, and has more clearly description of vector field.