Customizing painterly rendering styles using stroke processes
Proceedings of the ACM SIGGRAPH/Eurographics Symposium on Non-Photorealistic Animation and Rendering
Stylizing animation by example
ACM Transactions on Graphics (TOG) - SIGGRAPH 2013 Conference Proceedings
Direct space-time trajectory control for visual media editing
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Authoring and animating painterly characters
ACM Transactions on Graphics (TOG)
Corpus-based visual synthesis: an approach for artistic stylization
Proceedings of the ACM Symposium on Applied Perception
Abstracting images into continuous-line artistic styles
The Visual Computer: International Journal of Computer Graphics
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This paper presents an interactive system for creating painterly animation from video sequences. Previous approaches to painterly animation typically emphasize either purely automatic stroke synthesis or purely manual stroke keyframing. Our system supports a spectrum of interaction between these two approaches which allows the user more direct control over stroke synthesis. We introduce an approach for controlling the results of painterly animation: keyframed Control Strokes can affect automatic stroke's placement, orientation, movement, and color. Furthermore, we introduce a new automatic synthesis algorithm that traces strokes through a video sequence in a greedy manner, but, instead of a vector field, uses an objective function to guide placement. This allows the method to capture fine details, respect region boundaries, and achieve greater temporal coherence than previous methods. All editing is performed with a WYSIWYG interface where the user can directly refine the animation. We demonstrate a variety of examples using both automatic and user-guided results, with a variety of styles and source videos.