A Computational Approach to Edge Detection
IEEE Transactions on Pattern Analysis and Machine Intelligence
Bricks: laying the foundations for graspable user interfaces
CHI '95 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Interactive curve design using digital French curves
I3D '99 Proceedings of the 1999 symposium on Interactive 3D graphics
Exploring interactive curve and surface manipulation using a bend and twist sensitive input strip
I3D '99 Proceedings of the 1999 symposium on Interactive 3D graphics
Real-time haptic sculpting in virtual volume space
VRST '02 Proceedings of the ACM symposium on Virtual reality software and technology
An interface for creating and manipulating curves using a high degree-of-freedom curve input device
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Haptics-Based Dynamic Implicit Solid Modeling
IEEE Transactions on Visualization and Computer Graphics
Reconstruction of canal surfaces from single images under exact perspective
ECCV'06 Proceedings of the 9th European conference on Computer Vision - Volume Part I
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This paper presents a novel and user friendly input device for 3D curves. The system is based on a piece of flexible wire and a single off-the-shelf photo camera: the user bends the wire to the desired 3D shape; then, an ad-hoc technique for 3D reconstruction is used to recover its 3D shape (a space curve) from a single image.The result is a simple, unusual input device with many potential applications, ranging from games to 3D modeling. For untrained users, this is a much more intuitive input technique than alternative methods. A disadvantage is that changes to the wire's shape are not reflected in real time on the recovered representation.We give a detailed description of the system's structure, briefly recall the reconstruction technique, and describe a prototype in which the input device is seamlessly integrated in the popular Blender 3D modeling software. We finally show simple example applications in which the shape of the wire is used to define the trajectory of moving objects, to deform a 3D object, and to animate a 3D character.