Solid shape
Wires: a geometric deformation technique
Proceedings of the 25th annual conference on Computer graphics and interactive techniques
Non-photorealistic computer graphics: modeling, rendering, and animation
Non-photorealistic computer graphics: modeling, rendering, and animation
Billboard clouds for extreme model simplification
ACM SIGGRAPH 2003 Papers
View direction, surface orientation and texture orientation for perception of surface shape
GI '04 Proceedings of the 2004 Graphics Interface Conference
Ridge-valley lines on meshes via implicit surface fitting
ACM SIGGRAPH 2004 Papers
Variational shape approximation
ACM SIGGRAPH 2004 Papers
Partial and approximate symmetry detection for 3D geometry
ACM SIGGRAPH 2006 Papers
Folding meshes: hierarchical mesh segmentation based on planar symmetry
SGP '06 Proceedings of the fourth Eurographics symposium on Geometry processing
Robust statistical estimation of curvature on discretized surfaces
SGP '07 Proceedings of the fifth Eurographics symposium on Geometry processing
Polypostors: 2D polygonal impostors for 3D crowds
Proceedings of the 2008 symposium on Interactive 3D graphics and games
ACM SIGGRAPH 2008 papers
ACM SIGGRAPH 2008 papers
How well do line drawings depict shape?
ACM SIGGRAPH 2009 papers
iWIRES: an analyze-and-edit approach to shape manipulation
ACM SIGGRAPH 2009 papers
A benchmark for 3D mesh segmentation
ACM SIGGRAPH 2009 papers
Abstraction of man-made shapes
ACM SIGGRAPH Asia 2009 papers
Analytic drawing of 3D scaffolds
ACM SIGGRAPH Asia 2009 papers
Spatial sketch: bridging between movement & fabrication
Proceedings of the fourth international conference on Tangible, embedded, and embodied interaction
Learning 3D mesh segmentation and labeling
ACM SIGGRAPH 2010 papers
Popup: automatic paper architectures from 3D models
ACM SIGGRAPH 2010 papers
Analysis, reconstruction and manipulation using arterial snakes
ACM SIGGRAPH Asia 2010 papers
Technical Section: Exoskeleton: Curve network abstraction for 3D shapes
Computers and Graphics
CrossShade: shading concept sketches using cross-section curves
ACM Transactions on Graphics (TOG) - SIGGRAPH 2012 Conference Proceedings
crdbrd: Shape Fabrication by Sliding Planar Slices
Computer Graphics Forum
Motion-guided mechanical toy modeling
ACM Transactions on Graphics (TOG) - Proceedings of ACM SIGGRAPH Asia 2012
Chopper: partitioning models into 3D-printable parts
ACM Transactions on Graphics (TOG) - Proceedings of ACM SIGGRAPH Asia 2012
ACM Transactions on Graphics (TOG) - Proceedings of ACM SIGGRAPH Asia 2012
Co-abstraction of shape collections
ACM Transactions on Graphics (TOG) - Proceedings of ACM SIGGRAPH Asia 2012
Design-driven quadrangulation of closed 3D curves
ACM Transactions on Graphics (TOG) - Proceedings of ACM SIGGRAPH Asia 2012
Surface perception of planar abstractions
ACM Transactions on Applied Perception (TAP) - Special issue SAP 2013
Proceedings of the 26th annual ACM symposium on User interface software and technology
SMI 2013: Orthogonal slicing for additive manufacturing
Computers and Graphics
ACM Transactions on Graphics (TOG)
Generating multi-style paper pop-up designs using 3D primitive fitting
SIGGRAPH Asia 2013 Technical Briefs
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Minimalist object representations or shape-proxies that spark and inspire human perception of shape remain an incompletely understood, yet powerful aspect of visual communication. We explore the use of planar sections, i.e., the contours of intersection of planes with a 3D object, for creating shape abstractions, motivated by their popularity in art and engineering. We first perform a user study to show that humans do define consistent and similar planar section proxies for common objects. Interestingly, we observe a strong correlation between user-defined planes and geometric features of objects. Further we show that the problem of finding the minimum set of planes that capture a set of 3D geometric shape features is both NP-hard and not always the proxy a user would pick. Guided by the principles inferred from our user study, we present an algorithm that progressively selects planes to maximize feature coverage, which in turn influence the selection of subsequent planes. The algorithmic framework easily incorporates various shape features, while their relative importance values are computed and validated from the user study data. We use our algorithm to compute planar slices for various objects, validate their utility towards object abstraction using a second user study, and conclude showing the potential applications of the extracted planar slice shape proxies.