Data driven in-betweening for hand drawn rotating face
ACM SIGGRAPH 2010 Posters
Sketch based image deformation and editing with guaranteed feature correspondence
Proceedings of the 10th International Conference on Virtual Reality Continuum and Its Applications in Industry
Structure Preserving Manipulation and Interpolation for Multi-element 2D Shapes
Computer Graphics Forum
Mathematical analysis on affine maps for 2D shape interpolation
EUROSCA'12 Proceedings of the 11th ACM SIGGRAPH / Eurographics conference on Computer Animation
Mathematical analysis on affine maps for 2D shape interpolation
Proceedings of the ACM SIGGRAPH/Eurographics Symposium on Computer Animation
Technical Section: Planar shape interpolation using relative velocity fields
Computers and Graphics
Mathematical description of motion and deformation: from basics to graphics applications
SIGGRAPH Asia 2013 Courses
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We present new algorithms for the compatible embedding of 2D shapes. Such embeddings offer a convenient way to interpolate shapes having complex, detailed features. Compared to existing techniques, our approach requires less user input, and is faster, more robust, and simpler to implement, making it ideal for interactive use in practical applications. Our new approach consists of three parts. First, our boundary matching algorithm locates salient features using the perceptually motivated principles of scale-space and uses these as automatic correspondences to guide an elastic curve matching algorithm. Second, we simplify boundaries while maintaining their parametric correspondence and the embedding of the original shapes. Finally, we extend the mapping to shapes' interiors via a new compatible triangulation algorithm. The combination of our algorithms allows us to demonstrate 2D shape interpolation with instant feedback. The proposed algorithms exhibit a combination of simplicity, speed, and accuracy that has not been achieved in previous work.