A Computational Approach to Edge Detection
IEEE Transactions on Pattern Analysis and Machine Intelligence
Invariant Properties of Straight Homogeneous Generalized Cylinders and Their Contours
IEEE Transactions on Pattern Analysis and Machine Intelligence
Finding the perspective projection of an axis of revolution
Pattern Recognition Letters
IEEE Transactions on Pattern Analysis and Machine Intelligence
On Seeing Spaghetti: Self-Adjusting Piecewise Toroidal Recognition of Flexible Extruded Objects
IEEE Transactions on Pattern Analysis and Machine Intelligence
Viewpoint-invariant representation of generalized cylinders using the symmetry set
BMVC 94 Proceedings of the conference on British machine vision (vol. 2)
Recovery of SHGCs From a Single Intensity View
IEEE Transactions on Pattern Analysis and Machine Intelligence
IEEE Transactions on Pattern Analysis and Machine Intelligence
Part-Based 3D Descriptions of Complex Objects from a Single Image
IEEE Transactions on Pattern Analysis and Machine Intelligence
Estimation of Curvature and Tangent Direction by Median Filtered Differencing
ICIAP '95 Proceedings of the 8th International Conference on Image Analysis and Processing
IEEE Transactions on Pattern Analysis and Machine Intelligence
A Manipulable Vision-Based 3D Input Device for Space Curves
AMDO '08 Proceedings of the 5th international conference on Articulated Motion and Deformable Objects
Recovering ball motion from a single motion-blurred image
Computer Vision and Image Understanding
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This paper addresses the reconstruction of canal surfaces from single images. A canal surface is obtained as the envelope of a family of spheres of constant radius, whose center is swept along a space curve, called axis. Previous studies either used approximate relationships (quasi-invariants), or they addressed the recognition based on a geometric model. In this paper we show that, under broad conditions, canal surfaces can be reconstructed from single images under exact perspective. In particular, canal surfaces with planar axis can even be reconstructed from a single fully-uncalibrated image. An automatic reconstruction method has been implemented. Simulations and experimental results on real images are also presented.