Paint by numbers: abstract image representations
SIGGRAPH '90 Proceedings of the 17th annual conference on Computer graphics and interactive techniques
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
Empathic painting: interactive stylization through observed emotional state
Proceedings of the 4th international symposium on Non-photorealistic animation and rendering
Non-photorealistic rendering in context: an observational study
Proceedings of the 4th international symposium on Non-photorealistic animation and rendering
ACM SIGGRAPH 2006 Papers
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
Structure-preserving manipulation of photographs
Proceedings of the 5th international symposium on Non-photorealistic animation and rendering
Emotionally aware automated portrait painting
Proceedings of the 3rd international conference on Digital Interactive Media in Entertainment and Arts
NPAR '10 Proceedings of the 8th International Symposium on Non-Photorealistic Animation and Rendering
Stylized depiction of images based on depth perception
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
Showing emotions through movement and symmetry
Computers in Human Behavior
Abstract painting with interactive control of perceptual entropy
ACM Transactions on Applied Perception (TAP)
Structure and aesthetics in non-photorealistic images
Proceedings of Graphics Interface 2013
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Non-photorealistic rendering (NPR) algorithms are used to produce stylized images, and have been evaluated on the aesthetic qualities of the resulting images. NPR-produced images have been used for aesthetic and practical reasons in media intended to produce an emotional reaction in a consumer (e.g., computer games, films, advertisements, and websites); however, it is not understood how the use of these algorithms affects the emotion portrayed in an image. We conducted a study of subjective emotional response to five common NPR approaches, two blurring techniques, and the original image with 42 participants, and found that the NPR algorithms dampened participants' emotional responses in terms of arousal (activation) and valence (pleasure).