Computer-generated pen-and-ink illustration
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
Orientable textures for image-based pen-and-ink illustration
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
A non-photorealistic lighting model for automatic technical illustration
Proceedings of the 25th annual conference on Computer graphics and interactive techniques
Interactive technical illustration
I3D '99 Proceedings of the 1999 symposium on Interactive 3D graphics
NPAR '02 Proceedings of the 2nd international symposium on Non-photorealistic animation and rendering
An invitation to discuss computer depiction
NPAR '02 Proceedings of the 2nd international symposium on Non-photorealistic animation and rendering
Suggestive contours for conveying shape
ACM SIGGRAPH 2003 Papers
Human facial illustrations: Creation and psychophysical evaluation
ACM Transactions on Graphics (TOG)
Perceptually based brush strokes for nonphotorealistic visualization
ACM Transactions on Graphics (TOG)
Interactive digital photomontage
ACM SIGGRAPH 2004 Papers
Color2Gray: salience-preserving color removal
ACM SIGGRAPH 2005 Papers
Richness-preserving manga screening
ACM SIGGRAPH Asia 2008 papers
IEEE Transactions on Visualization and Computer Graphics
Artificial mosaic generation with gradient vector flow and tile cutting
Journal of Electrical and Computer Engineering
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Non-photorealistic rendering (NPR) as a field of research is generally described by what it is not and as a result it is often hard to embrace the strengths of non-photorealistic rendering as a discipline beyond digitizing or replicating traditional artistic techniques. Towards generating more discussion within the discipline, this paper provides a simple theory of NPR as a way of mapping perceived changes in a scene to perceived changes in a display. One can think of a photorealistic image as one that preserves a one-to-one mapping, such that parameters such as color, intensity, texture, edges, etc. in a scene are mapped to the same parameters in the display. NPR mappings are not one-to-one. For example edges in a scene may be mapped to black lines to generate a cartoon effect. Within this framework of mappings, a partial listing of previous techniques within the discipline is provided. The aim of this paper is to provide a type of road map to stimulate the future growth of the area of non-photorealistic rendering.