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Nalini K. Ratha

Researcher at IBM

Publications -  230
Citations -  13245

Nalini K. Ratha is an academic researcher from IBM. The author has contributed to research in topics: Biometrics & Fingerprint recognition. The author has an hindex of 50, co-authored 216 publications receiving 12290 citations. Previous affiliations of Nalini K. Ratha include Michigan State University & University at Buffalo.

Papers
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Proceedings ArticleDOI

Parallel implementation of vision algorithms on workstation clusters

TL;DR: Performance measurements demonstrate that it is possible to attain good performance in terms of execution time and speedup for large-scale problems, provided that adequate memory; swap space, and I/O capacity are available at each node.
Patent

Method, system, and program product for transforming a biometric image

TL;DR: In this paper, a method for transforming a biometric image using surface folding of the image is described, and a system for transforming multi-dimensional biometric feature point sets is presented.
Journal ArticleDOI

Big Data approach to biometric-based identity analytics

TL;DR: Very large-scale biometric systems are becoming mainstream in nationwide identity cards and mobile secure payment methods and are likely to emerge as among the most critical of the Big Data systems.
Proceedings ArticleDOI

Clustering using a coarse-grained parallel genetic algorithm: a preliminary study

TL;DR: A distributed algorithm using a standard communication library called PVM and implemented on a workstation cluster, which gives better quality clusters for many data sets compared to a standard K-means clustering algorithm.