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This book constitutes the proceedings of the 12th International Symposium on Smart Graphics, SG 2014, held in Taipei, Taiwan, in August 2014. The 14 full and 4 short papers presented in this volume were carefully reviewed and selected from 26 submissions. They are organized in topical sections named: data visualization; sketching and multi-touch interaction; aesthetics and smart tools for artists; smart tools for 3D contents; and posters.

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Data Visualization.- Storytelling via Navigation: A Novel Approach to Animation for Scientific Visualization.- A Deep Dive into Decades of Baseball´s Recorded Statistics.- Sketching and Multi-Touch Interaction.- A Sketch-Based Generation System for Oriental Cloud Pattern Design.- D-Sweep: Using Profile Snapping for 3D Object Extraction from Single Image.- Fixit: A 3D Jigsaw Puzzle Game Using Multi-touch Gestures.- Towards an Intelligent Framework for Pressure-Based 3D Curve Drawing.- Aesthetics and Smart Tools for Artists Analysis of Visual Elements in Logo Design.- Controllable and Real-Time Reproducible Perlin Noise.- Emotional Line: Showing Emotions through the Sharpness, Height, Width and Speed of a Series of Concatenated Digital Shifting Curves.- Application Friendly Voxelization on GPU by Geometry Splitting.- Smart Tools for 3D Contents.- A Pattern-Based Tool for Creating Virtual Cinematography in Interactive Storytelling.- Semantically Consistent Hierarchical Decomposition of Virtual Urban Environments.- A New Way to Model Physics-Based Topology Transformations: Splitting MAT.- 3D Artistic Face Transformation with Identity Preservation.- Posters.- Real Time Visualization of Large Data Using Clustered Projections.- Crowdsourcing 3D Motion Reconstruction.- Understanding Which Graph Depictions Are Best for Viewers.- A New Modeling Pipeline for Physics-Based Topological Discontinuities: The DYNAMe Process.

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