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21 November 2002 Image pre-processing for classification (biometric identification) by a neural network
Anthony R. Vannelli, Steve Wagner, Ken McGarvey
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Proceedings Volume 4790, Applications of Digital Image Processing XXV; (2002) https://doi.org/10.1117/12.452435
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States
Abstract
For many image classification applications it is not adequate to take a simple feature extraction approach. A non-parametric approach directly applied to an image can easily result in a problem with a dimension, which can exceed 2^18. Practical application of a neural network classifier requires that some reduction of the image dimension be done prior to classification. This paper compares the performance of several approaches to the problem. Use of wavelets, principal components, and "image zones" are explored in various combinations. The techniques are compared on a specific biometric application.
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Anthony R. Vannelli, Steve Wagner, and Ken McGarvey "Image pre-processing for classification (biometric identification) by a neural network", Proc. SPIE 4790, Applications of Digital Image Processing XXV, (21 November 2002); https://doi.org/10.1117/12.452435
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KEYWORDS
Neural networks
Wavelets
Biometrics
Principal component analysis
Image classification
Wavelet transforms
Image processing
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