A non-photorealistic lighting model for automatic technical illustration
Proceedings of the 25th annual conference on Computer graphics and interactive techniques
Multi-color and artistic dithering
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
NPAR '02 Proceedings of the 2nd international symposium on Non-photorealistic animation and rendering
Photomosaics
Proceedings of the 29th annual conference on Computer graphics and interactive techniques
EP '98/RIDT '98 Proceedings of the 7th International Conference on Electronic Publishing, Held Jointly with the 4th International Conference on Raster Imaging and Digital Typography: Electronic Publishing, Artistic Imaging, and Digital Typography
Isoluminant color picking for non-photorealistic rendering
GI '05 Proceedings of Graphics Interface 2005
A non-photorealistic rendering of seurat's pointillism
ISVC'06 Proceedings of the Second international conference on Advances in Visual Computing - Volume Part II
Artistic image generation for emerging multimedia services by impressionist manner
ACM Transactions on Embedded Computing Systems (TECS) - Special issue on embedded systems for interactive multimedia services (ES-IMS)
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A simple non-photorealistic rendering (NPR) technique is presented for creating pointillistic and mosaic images with color arrangement resembling the impressionist paintings. An input image is partitioned into rectangular tiles which are grouped into blocks. The color of tiles is changed to ones maximally far apart from each other while their local average approximates the color of the input image. The resultant mosaic image with the tile size of only one pixel is used for creating pointillistic images like to ones by George Seurat. Their blending with the original image produces a mosaic image resembling that by Chuck Close. Some modifications are also incorporated into the color transformation to improve the reproducibility of mosaic images blended with a collection of tiny images.