Hierarchical Chamfer Matching: A Parametric Edge Matching Algorithm
IEEE Transactions on Pattern Analysis and Machine Intelligence
Computer-generated pen-and-ink illustration
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
Orientable textures for image-based pen-and-ink illustration
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
ACM SIGGRAPH 98 Electronic art and animation catalog
WYSIWYG NPR: drawing strokes directly on 3D models
Proceedings of the 29th annual conference on Computer graphics and interactive techniques
ACM SIGGRAPH 2003 Papers
Shape Matching: Similarity Measures and Algorithms
SMI '01 Proceedings of the International Conference on Shape Modeling & Applications
Rendering complexity in computer-generated pen-and-ink illustrations
Proceedings of the 3rd international symposium on Non-photorealistic animation and rendering
Density Measure for Line-Drawing Simplification
PG '04 Proceedings of the Computer Graphics and Applications, 12th Pacific Conference
Real-time pen-and-ink illustration of landscapes
Proceedings of the 4th international symposium on Non-photorealistic animation and rendering
ScrewBender: Smoothing Piecewise Helical Motions
IEEE Computer Graphics and Applications
2D shape deformation based on rigid square matching
Computer Animation and Virtual Worlds - CASA'2008 Special Issue
N-way morphing for 2D animation
Computer Animation and Virtual Worlds - CASA' 2009 Special Issue
As-rigid-as-possible image registration for hand-drawn cartoon animations
Proceedings of the 7th International Symposium on Non-Photorealistic Animation and Rendering
Self-similar texture for coherent line stylization
NPAR '10 Proceedings of the 8th International Symposium on Non-Photorealistic Animation and Rendering
Steady affine motions and morphs
ACM Transactions on Graphics (TOG)
Geometric clustering for line drawing simplification
EGSR'05 Proceedings of the Sixteenth Eurographics conference on Rendering Techniques
Smart Scribbles for Sketch Segmentation
Computer Graphics Forum
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We propose a technique to control the temporal noise present in sketchy animations. Given an input animation drawn digitally, our approach works by combining motion extraction and inbetweening techniques to generate a reduced-noise sketchy animation registered to the input animation. The amount of noise is then controlled by a continuous parameter value. Our method can be applied to effectively reduce the temporal noise present in sequences of sketches to a desired rate, while preserving the geometric richness of the sketchy style in each frame. This provides the manipulation of temporal noise as an additional artistic parameter, e.g. to emphasize character emotions and scene atmosphere, and enables the display of sketchy content to broader audiences by producing animations with comfortable noise levels. We demonstrate the effectiveness of our approach on a series of rough hand-drawn animations.