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Proceedings Looking Through the Eye of the Painter from the Visual Cortex and Brightness Perception to Non-Photorealistic

Author(s): Roberto Lam, João Rodrigues, J.M.Hans du Buf.
Proceedings: 14th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision (WSCG'06), pp. 147--154, 2006.
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Abstract:
In this paper we present a brief overview of the processing in the primary visual cortex, the multi-scale line/edge and keypoint representations, and a model of brightness perception. This model, which is being extended from 1D to 2D, is based on a symbolic line and edge interpretation: lines are represented by scaled Gaussians and edges by scaled, Gaussian-windowed error functions. We show that this model, in combination with standard techniques from graphics, provides a very fertile basis for non-photorealistic image rendering.

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