Designing solid objects using interactive sketch interpretation
I3D '92 Proceedings of the 1992 symposium on Interactive 3D graphics
A mark-based interaction paradigm for free-hand drawing
UIST '94 Proceedings of the 7th annual ACM symposium on User interface software and technology
SKETCH: an interface for sketching 3D scenes
SIGGRAPH '96 Proceedings of the 23rd annual conference on Computer graphics and interactive techniques
An interface for sketching 3D curves
I3D '99 Proceedings of the 1999 symposium on Interactive 3D graphics
Teddy: a sketching interface for 3D freeform design
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
Creating principal 3D curves with digital tape drawing
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Artistic Composition for Image Creation
Proceedings of the 12th Eurographics Workshop on Rendering Techniques
A suggestive interface for image guided 3D sketching
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
SmoothSketch: 3D free-form shapes from complex sketches
ACM SIGGRAPH 2006 Papers
SESAME: towards better 3D conceptual design systems
DIS '06 Proceedings of the 6th conference on Designing Interactive systems
Sketch-based modeling with the blob tree
SIGGRAPH '05 ACM SIGGRAPH 2005 Sketches
Sketch-Based 3D-Shape Creation for Industrial Styling Design
IEEE Computer Graphics and Applications
FiberMesh: designing freeform surfaces with 3D curves
ACM SIGGRAPH 2007 papers
A sketch-based interface for iterative design and analysis of 3D objects
ACM SIGGRAPH 2007 courses
The Mental Canvas: A Tool for Conceptual Architectural Design and Analysis
PG '07 Proceedings of the 15th Pacific Conference on Computer Graphics and Applications
Automatic construction of 3D models from architectural line drawings
Proceedings of the 2008 symposium on Interactive 3D graphics and games
Sketching reality: Realistic interpretation of architectural designs
ACM Transactions on Graphics (TOG)
ACM SIGGRAPH 2008 papers
ILoveSketch: as-natural-as-possible sketching system for creating 3d curve models
Proceedings of the 21st annual ACM symposium on User interface software and technology
Digital styling for designers: sketch emulation in computer environment
ICCSA'03 Proceedings of the 2003 international conference on Computational science and its applications: PartIII
A two-stage approach for interpreting line drawings of curved objects
SBM'04 Proceedings of the First Eurographics conference on Sketch-Based Interfaces and Modeling
Epipolar methods for multi-view sketching
SBM'04 Proceedings of the First Eurographics conference on Sketch-Based Interfaces and Modeling
Analytic drawing of 3D scaffolds
ACM SIGGRAPH Asia 2009 papers
Non-Photorealistic Rendering and the science of art
NPAR '10 Proceedings of the 8th International Symposium on Non-Photorealistic Animation and Rendering
Image-assisted modeling from sketches
Proceedings of Graphics Interface 2010
Pressure-based 3D curve drawing
SG'10 Proceedings of the 10th international conference on Smart graphics
CrossShade: shading concept sketches using cross-section curves
ACM Transactions on Graphics (TOG) - SIGGRAPH 2012 Conference Proceedings
Micro perceptual human computation for visual tasks
ACM Transactions on Graphics (TOG)
Inferring mirror symmetric 3D shapes from sketches
Computer-Aided Design
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A study is described which examines the drawing accuracy of experts when drawing foreshortened projections of 3D curves in ecologically-valid conditions. The main result of this study is that the distribution of error in expert drawings exhibits a bias similar to that previously observed in non-expert subjects, which is dependent on the degree of foreshortening of the imagined drawing surface. A review of existing perceptual studies also finds that only absolute 2D image-space error has been considered, which has been found to be largest with viewing angles of 25--55°. Our visualizations of 3D error indicate that 3D bias continues to increase with decreasing viewing angle. Based on these findings, we analyze current 3D curve drawing techniques for susceptibility to foreshortening bias, and make some suggestions for future sketch-based modeling systems.