Machine interpretation of line drawings
Machine interpretation of line drawings
The complexity of recognizing polyhedral scenes
Journal of Computer and System Sciences - 26th IEEE Conference on Foundations of Computer Science, October 21-23, 1985
Emulating the human interpretation of line-drawings as three-dimensional objects
International Journal of Computer Vision
An optimization-based approach to the interpretation of single line drawings as 3D wire frames
International Journal of Computer Vision
On the complexity of labeling perspective projections of polyhedral scenes
Artificial Intelligence
Identification of Faces in a 2D Line Drawing Projection of a Wireframe Object
IEEE Transactions on Pattern Analysis and Machine Intelligence
Geometric modeling (2nd ed.)
Linear-time algorithms for testing the realisability of line drawings of curved objects
Artificial Intelligence
Indexing of Technical Line Drawing Databases
IEEE Transactions on Pattern Analysis and Machine Intelligence
Linear constraints for the interpretation of line drawings of curved objects
Artificial Intelligence
The Interpretation of Line Drawings with Contrast Failure and Shadows
International Journal of Computer Vision
Overcoming Superstrictness in Line Drawing Interpretation
IEEE Transactions on Pattern Analysis and Machine Intelligence
A Systematic Approach Towards Reconstruction 3D Curved Models from Multiple 2D Views
GREC '97 Selected Papers from the Second International Workshop on Graphics Recognition, Algorithms and Systems
Constraints Between Distant Lines in the Labelling of Line Drawings of Polyhedral Scenes
International Journal of Computer Vision
Comparison of 3D reconstruction techniques for engineering drawings from orthographic projections
AEE'07 Proceedings of the 6th conference on Applications of electrical engineering
A new algorithm for finding faces in wireframes
Computer-Aided Design
Journal of Mathematical Imaging and Vision
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The reconstruction of an object from a single 2D projection of a 3D wireframe model is a vision problem with applications in CAD/CAM and computer graphics.We propose an algorithm for the interpretation of wireframe projections based on assigning semantic and numerical depth labels to lines. This method allows us to state necessary and sufficient conditions for the physical realisability of a wireframe projection of a curved object. The presence of linear features provides further constraints on the positions of object vertices. For example, each straight line gives rise to a coplanarity constraint between a set of object vertices.We show that extra information, such as vanishing points, parallel lines or user-entered depth-parity information, is sufficient to uniquely determine the face-circuits in wireframe projections of polyhedra with simple trihedral vertices. In fact, a polyhedron with simple trihedral vertices can be unambiguously reconstructed from its 3D wireframe model.