Neural network applied to direction map extraction in fingerprint images

Flavio Augusto Pe Soares; Rui Seara; Orlando Jose Tobias

doi:10.1117/12.205200

6 April 1995 Neural network applied to direction map extraction in fingerprint images

Flavio Augusto Pe Soares, Rui Seara, Orlando Jose Tobias

Proceedings Volume 2492, Applications and Science of Artificial Neural Networks; (1995) https://doi.org/10.1117/12.205200
Event: SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, 1995, Orlando, FL, United States

Abstract

We present a new technique for extracting the direction map from fingerprints. The fingerprint image is first partitioned into small image blocks. Then, a set of parameters is extracted from each block and fed into a neural network that outputs the preferential direction for each block. The technique performed very well in operational conditions. It was developed to be employed in an Automatic Fingerprint Classification System.

Citation Download Citation

Flavio Augusto Pe Soares, Rui Seara, and Orlando Jose Tobias "Neural network applied to direction map extraction in fingerprint images", Proc. SPIE 2492, Applications and Science of Artificial Neural Networks, (6 April 1995); https://doi.org/10.1117/12.205200

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KEYWORDS

Neural networks

Image processing

Neurons

Spatial frequencies

Binary data

Classification systems

Image segmentation

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