Integrated detection and segmentation for hyperspectral imagery using neural networks

Joe R. Brown; Edward E. DeRouin

doi:10.1117/12.152574

2 September 1993 Integrated detection and segmentation for hyperspectral imagery using neural networks

Joe R. Brown, Edward E. DeRouin

Proceedings Volume 1965, Applications of Artificial Neural Networks IV; (1993) https://doi.org/10.1117/12.152574
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

The combination of hyperspectral imaging systems and neural networks are changing the approach to the challenging problem of automatic target recognition (ATR). This paper summarizes a research effort to demonstrate the utility of neural networks in processing hyperspectral imagery for target detection and segmentation. Pixel registered imagery containing 32 spectral bands in the 2.0 to 2.5 micrometers range was used to train and test a backpropagation neural network for detection of camouflaged relocatable targets. Initially, neural networks trained and tested using all 32 spectral bands. Because of the high degree of correlation between features (i.e. spectral bands), the dimensionality of the feature set was reduced to 11 spectral bands using both traditional (Karhunen-Loeve) and recently introduced neural network analysis techniques (Ruck's saliency). The neural network was reconfigured and retrained resulting in a probability of correct classification (Pcc) of 99.8%. The neural networks were implemented in hardware on the Intel ETANN chip, a special purpose analog neural network chip. Pixel level classification allows detection and segmentation of targets in parallel. Integrated detection and segmentation (IDS) offers a powerful, alternative approach in an ATR scenario.

Citation Download Citation

Joe R. Brown and Edward E. DeRouin "Integrated detection and segmentation for hyperspectral imagery using neural networks", Proc. SPIE 1965, Applications of Artificial Neural Networks IV, (2 September 1993); https://doi.org/10.1117/12.152574

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