Fast LIC with Piecewise Polynomial Filter Kernels

Line integral convolution (LIC) has become a well-known and popular method for visualizing vector fields. The method works by convolving a random input texture along the integral curves of the vector field. In order to accelerate image synthesis significantly, an efficient algorithm has been proposed that utilizes pixel coherence in field line direction. This algorithm, called “fast LIC”, originally was restricted to simple box-type filter kernels.

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