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Adaptive invariant novelty filters

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2 Author(s)
Szu, H.H. ; Naval Research Laboratory, Washington, DC, USA ; Messner, R.A.

The multiple-channel novelty filters of associative memory are derived from the retina neuron network point-spread function. Scale and rotation invariance is achieved by the input data flowing through the nonuniform polar exponential sampling to a uniform output space. Image domain bandpassing techniques are then used to extract the low-band and high-band frequency contents of the equivalent novelty filters.

Published in:

Proceedings of the IEEE  (Volume:74 ,  Issue: 3 )