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Fingerprinting Curves
[chapter]
2005
Lecture Notes in Computer Science
This paper presents a new method for robust data hiding in curves and highlights potential applications including digital fingerprinting of map document for trace and track purposes. We parameterize a curve using the B-spline model and add a spread spectrum sequence to the coordinates of the B-spline control points. In order to achieve robust fingerprint detection, we propose an iterative alignment-minimization algorithm to perform curve registration and deal with the non-uniqueness of B-spline
doi:10.1007/978-3-540-31805-7_2
fatcat:dkhv2ecv7fec7hvxzzyld7ll5i