Paint by numbers: abstract image representations
SIGGRAPH '90 Proceedings of the 17th annual conference on Computer graphics and interactive techniques
Measuring and modeling anisotropic reflection
SIGGRAPH '92 Proceedings of the 19th annual conference on Computer graphics and interactive techniques
Rendering parametric surfaces in pen and ink
SIGGRAPH '96 Proceedings of the 23rd annual conference on Computer graphics and interactive techniques
Painterly rendering for animation
SIGGRAPH '96 Proceedings of the 23rd annual conference on Computer graphics and interactive techniques
Processing images and video for an impressionist effect
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
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
Painterly rendering with curved brush strokes of multiple sizes
Proceedings of the 25th annual conference on Computer graphics and interactive techniques
Toward a psychophysically-based light reflection model for image synthesis
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
Stylization and abstraction of photographs
Proceedings of the 29th annual conference on Computer graphics and interactive techniques
Human facial illustrations: Creation and psychophysical evaluation
ACM Transactions on Graphics (TOG)
Physically Based Rendering: From Theory to Implementation
Physically Based Rendering: From Theory to Implementation
Image and video based painterly animation
Proceedings of the 3rd international symposium on Non-photorealistic animation and rendering
ACM SIGGRAPH 2006 Papers
Is accurate occlusion of glossy reflections necessary?
Proceedings of the 4th symposium on Applied perception in graphics and visualization
Proceedings of the 5th international symposium on Non-photorealistic animation and rendering
Using NPR to evaluate perceptual shape cues in dynamic environments
Proceedings of the 5th international symposium on Non-photorealistic animation and rendering
Visual equivalence: towards a new standard for image fidelity
ACM SIGGRAPH 2007 papers
The influence of shape on the perception of material reflectance
ACM SIGGRAPH 2007 papers
Evaluation of real-world and computer-generated stylized facial expressions
ACM Transactions on Applied Perception (TAP)
Shape-dependent gloss correction
Proceedings of the 5th symposium on Applied perception in graphics and visualization
How well do line drawings depict shape?
ACM SIGGRAPH 2009 papers
Toward a perceptual space for gloss
ACM Transactions on Graphics (TOG)
From image parsing to painterly rendering
ACM Transactions on Graphics (TOG)
Crowdsourcing graphical perception: using mechanical turk to assess visualization design
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Effects of global illumination approximations on material appearance
ACM SIGGRAPH 2010 papers
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Depictions with traditional media such as painting and drawing represent scene content in a stylized manner. It is unclear, however, how well stylized images depict scene properties like shape, material, and lighting. In this article, we describe the first study of material perception in stylized images (specifically painting and cartoon) and use nonphotorealistic rendering algorithms to evaluate how such stylization alters the perception of gloss. Our study reveals a compression of the range of representable gloss in stylized images so that shiny materials appear more diffuse in painterly rendering, while diffuse materials appear shinier in cartoon images. From our measurements we estimate the function that maps realistic gloss parameters to their perception in a stylized rendering. This mapping allows users of NPR algorithms to predict the perception of gloss in their images. The inverse of this function exaggerates gloss properties to make the contrast between materials in a stylized image more faithful. We have conducted our experiment both in a lab and on a crowdsourcing Web site. While crowdsourcing allows us to quickly design our pilot study, a lab experiment provides more control on how subjects perform the task. We provide a detailed comparison of the results obtained with the two approaches and discuss their advantages and drawbacks for studies like ours.