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33rd Applied Imagery Pattern Recognition Workshop (AIPR'04)
Neurally-Based Algorithms for Image Processing
Cosmos Club, Washington, DC
October 13-October 15
ISBN: 0-7695-2250-5
Mark Flynn, Los Alamos National Laboratory
Henry Abarbanel, University of California, San Diego
Garrett Kenyon, Los Alamos National Laboratory
One of the more difficult problems in image processing is segmentation. The human brain has an ability that is unmatched by any current technology for breaking down the world into distributed features and reconstructing them into distinct objects. Neurons encode informationboth in the number of spikes fired in a given time period, which indicates the strength with which a given local feature is present, and in the temporal code or relative timing of the spike, indicating whether the individual features are part of the same or different objects. Neurons that respond to contiguous stimuli produce synchronous oscillations, while those that are not fire independently. Thus, neural synchrony could be used as a tag for each pixel in an image indicating to which object it belongs. We have developed a simulation based on the primary visual cortex. We found that neurons that respond to the same object oscillate synchronously while those that respond to different objects fire independently.
Citation:
Mark Flynn, Henry Abarbanel, Garrett Kenyon, "Neurally-Based Algorithms for Image Processing," aipr, pp.79-85, 33rd Applied Imagery Pattern Recognition Workshop (AIPR'04), 2004
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