A Thin-Plate Spline Calibration Model For Fingerprint Sensor Interoperability

A Calibration Model For Fingerprint Sensor Interoperability

Biometric sensor interoperability refers to the ability of a system to compensate for the variability introduced in the biometric data of an individual due to the deployment of different sensors. We demonstrate that a simple non-linear calibration scheme, based on Thin Plate Splines (TPS), is sufficient to facilitate sensor interoperability in the context of fingerprints. In the proposed techni...

Fingerprint matching by thin-plate spline modelling of elastic deformations

This paper presents a novel minutiae matching method that describes elastic distortions in 4ngerprints by means of a thin-plate spline model, which is estimated using a local and a global matching stage. After registration of the 4ngerprints according to the estimated model, the number of matching minutiae can be counted using very tight matching thresholds. For deformed 4ngerprints, the algori...

Approximate Thin Plate Spline

Fingerprint matching incorporating ridge features with Adaptive Coarse filter and Thin Plate Spline Warping (TPSW) model

The performance of a fingerprint matching system is affected by the distortion introduced in the fingerprint impression during feature extraction process. This fingerprint features, such as ridge curves distorted in a complex manner. With the recent advancements in fingerprint sensing technology, many sensor devices to capture the fingerprint are now equipped with probability of dual resolution...

Approximate Thin Plate Spline Mappings

The thin plate spline (TPS) is an e ective tool for modeling coordinate transformations that has been applied successfully in several computer vision applications. Unfortunately the solution requires the inversion of a p p matrix, where p is the number of points in the data set, thus making it impractical for large scale applications. As it turns out, a surprisingly good approximate solution is...