Recognizing solid objects by alignment with an image
International Journal of Computer Vision
Computational projective geometry
CVGIP: Image Understanding
Geometric invariance in computer vision
Geometric invariance in computer vision
Three-dimensional computer vision: a geometric viewpoint
Three-dimensional computer vision: a geometric viewpoint
A study of affine matching with bounded sensor error
International Journal of Computer Vision
Invariants of Six Points and Projective Reconstruction From Three Uncalibrated Images
IEEE Transactions on Pattern Analysis and Machine Intelligence
International Journal of Computer Vision
Robust and Efficient Detection of Salient Convex Groups
IEEE Transactions on Pattern Analysis and Machine Intelligence
Artificial Intelligence - Special volume on computer vision
A comparison of projective reconstruction methods for pairs of views
Computer Vision and Image Understanding
Applications of Invariance in Computer Vision: Second Joint European-U. S. Workshop, Ponta Delgada, Azores, Portugal, October 9-14, 1993
Computer and Robot Vision
Hierarchical Object Description Using Invariants
Proceedings of the Second Joint European - US Workshop on Applications of Invariance in Computer Vision
Correspondence of Coplanar Features Through p-Invariant Representations
Proceedings of the Second Joint European - US Workshop on Applications of Invariance in Computer Vision
Classification Based on the Cross Ratio
Proceedings of the Second Joint European - US Workshop on Applications of Invariance in Computer Vision
The Dou8ble Algebra: An Effective Tool for Computing Invariants in Computer Vision
Proceedings of the Second Joint European - US Workshop on Applications of Invariance in Computer Vision
Duality of reconstruction and positioning from projective views
VSR '95 Proceedings of the IEEE Workshop on Representation of Visual Scenes
Class-based grouping in perspective images
ICCV '95 Proceedings of the Fifth International Conference on Computer Vision
Algebraic and Geometric Tools to Compute Projective and Permutation Invariants
IEEE Transactions on Pattern Analysis and Machine Intelligence
Feature Transfer and Matching in Disparate Stereo Views through the Use of Plane Homographies
IEEE Transactions on Pattern Analysis and Machine Intelligence
Lie methods for color robot vision
Robotica
Canonical subsets of image features
Computer Vision and Image Understanding
Augmented Reality Using Projective Invariant Patterns
ISVC '08 Proceedings of the 4th International Symposium on Advances in Visual Computing
A novel optical tracking algorithm for point-based projective invariant marker patterns
ISVC'07 Proceedings of the 3rd international conference on Advances in visual computing - Volume Part I
Single webcam 3D tracking for video games
Futureplay '10 Proceedings of the International Academic Conference on the Future of Game Design and Technology
Virtual Reality in Brazil: Multi-camera calibration based on an invariant pattern
Computers and Graphics
Stable bounded canonical sets and image matching
EMMCVPR'05 Proceedings of the 5th international conference on Energy Minimization Methods in Computer Vision and Pattern Recognition
Optical tracking using line pencil fiducials
EGVE'04 Proceedings of the Tenth Eurographics conference on Virtual Environments
Checking oriented matroid isomorphism by means of canonical labeling
Discrete Applied Mathematics
Computer Vision and Image Understanding
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Invariant representations are frequently used in computer visionalgorithms to eliminate the effect of an unknown transformation of the data.These representations, however, depend on the order in which the featuresare considered in the computations. We introduce the class ofprojective/permutation p^2-invariants which are insensitive tothe labeling of the feature set. A general method to compute thep^2-invariant of a point set (or of its dual) in then-dimensional projective space is given. The one-to-onemapping between n + 3 points and the components of theirp^2-invariant representation makes it possible to designcorrespondence algorithms with superior tolerance to positional errors. Analgorithm for coplanar points in projective correspondence is described asan application, and its performance is investigated. The use ofp^2-invariants as an indexing tool in object recognitionsystems may also be of interest.