Computer-generated pen-and-ink illustration
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
Scale-dependent reproduction of pen-and-ink illustrations
SIGGRAPH '96 Proceedings of the 23rd annual conference on Computer graphics and interactive techniques
Assessing the effect of non-photorealistic rendered images in CAD
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
NPAR '02 Proceedings of the 2nd international symposium on Non-photorealistic animation and rendering
Evaluating space perception in NPR immersive environments
NPAR '02 Proceedings of the 2nd international symposium on Non-photorealistic animation and rendering
Non-photorealistic computer graphics: modeling, rendering, and animation
Non-photorealistic computer graphics: modeling, rendering, and animation
Non-Photorealistic Rendering
Suggestive contours for conveying shape
ACM SIGGRAPH 2003 Papers
Designer-critiqued comparison of 2D vector visualization methods: a pilot study
ACM SIGGRAPH 2003 Sketches & Applications
Human facial illustrations: Creation and psychophysical evaluation
ACM Transactions on Graphics (TOG)
Visual interest and NPR: an evaluation and manifesto
Proceedings of the 3rd international symposium on Non-photorealistic animation and rendering
Depicting Shape Features with Directional Strokes and Spotlighting
CGI '04 Proceedings of the Computer Graphics International
IEEE Transactions on Visualization and Computer Graphics
Computational Aesthetics'05 Proceedings of the First Eurographics conference on Computational Aesthetics in Graphics, Visualization and Imaging
Combining silhouettes, surface, and volume rendering for surgery education and planning
EUROVIS'05 Proceedings of the Seventh Joint Eurographics / IEEE VGTC conference on Visualization
Sketching, scaffolding, and inking: a visual history for interactive 3D modeling
Proceedings of the 5th international symposium on Non-photorealistic animation and rendering
ACM SIGGRAPH 2008 papers
How well do line drawings depict shape?
ACM SIGGRAPH 2009 papers
Proceedings of the 7th International Symposium on Non-Photorealistic Animation and Rendering
Computational Aesthetics 2008: Automatically mimicking unique hand-drawn pencil lines
Computers and Graphics
Evaluation of Non-photorealistic 3D Urban Models for Mobile Device Navigation
VMR '09 Proceedings of the 3rd International Conference on Virtual and Mixed Reality: Held as Part of HCI International 2009
Quality assessment of fractalized NPR textures: a perceptual objective metric
Proceedings of the 6th Symposium on Applied Perception in Graphics and Visualization
Example-based stippling using a scale-dependent grayscale process
NPAR '10 Proceedings of the 8th International Symposium on Non-Photorealistic Animation and Rendering
Non-Photorealistic Rendering and the science of art
NPAR '10 Proceedings of the 8th International Symposium on Non-Photorealistic Animation and Rendering
Automated hedcut illustration using isophotes
SG'10 Proceedings of the 10th international conference on Smart graphics
Extended papers from NPAR 2010: Scale-dependent and example-based grayscale stippling
Computers and Graphics
Evaluation of emotional response to non-photorealistic images
Proceedings of the ACM SIGGRAPH/Eurographics Symposium on Non-Photorealistic Animation and Rendering
Towards ground truth in geometric textures
Proceedings of the ACM SIGGRAPH/Eurographics Symposium on Non-Photorealistic Animation and Rendering
Communications of the ACM
Stipple placement using distance in a weighted graph
Computational Aesthetics'07 Proceedings of the Third Eurographics conference on Computational Aesthetics in Graphics, Visualization and Imaging
Aesthetics of hand-drawn vs. computer-generated stippling
Computational Aesthetics'07 Proceedings of the Third Eurographics conference on Computational Aesthetics in Graphics, Visualization and Imaging
Line drawings vs. curvature shading: scientific illustration of range scanned artefacts
Computational Aesthetics'10 Proceedings of the Sixth international conference on Computational Aesthetics in Graphics, Visualization and Imaging
Technical Section: Interactive example-based hatching
Computers and Graphics
Towards effective evaluation of geometric texture synthesis algorithms
Proceedings of the Symposium on Non-Photorealistic Animation and Rendering
Structure and aesthetics in non-photorealistic images
Proceedings of Graphics Interface 2013
Streamlines for illustrative real-time rendering
EuroVis '13 Proceedings of the 15th Eurographics Conference on Visualization
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Pen-and-ink line drawing techniques are frequently used to depict form, tone, and texture in artistic, technical, and scientific illustration. In non-photorealistic rendering (NPR), considerable progress has been made towards reproducing traditional pen-and-ink techniques for rendering 3D objects. However, formal evaluation and validation of these NPR images remain an important open research problem. In this paper we present an observational study with three groups of users to examine their understanding and assessment of hand-drawn pen-and-ink illustrations of objects in comparison with NPR renditions of the same 3D objects. The results show that people perceive differences between those two types of illustration but that those that look computer-generated are still highly valued as scientific illustrations.