Elementary Motion Detection with Contrast Adaptation

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$637,770.00
Award Year:
2002
Program:
SBIR
Phase:
Phase II
Contract:
F08630-02-C-0013
Award Id:
52423
Agency Tracking Number:
011MN-0811
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
2650 East Foothill Boulevard, Mailstop 100, Pasadena, CA, 91107
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
195754056
Principal Investigator:
Patrick Shoemaker
Senior Scientist
(626) 792-3000
pat.shoemake@tanner.com
Business Contact:
Kevin Dinniene
Controller
(626) 792-3000
kevin.dinniene@tanner.com
Research Institution:
n/a
Abstract
Insects display remarkable capabilities for guidance and directed flight based on their visual sense. If duplicated in autonomous flying weapons, these capabilities could greatly enhance their effectiveness. We propose a continuing collaborative effortbetween an insect neurobiologist and VLSI technologist to develop motion processing theory and technology based on insect vision. This effort will apply new findings from insect neurobiology, including work accomplished in Phase I, to the correlationalmodel of the elementary motion detector (EMD), which appears to be the basis for all higher-level visual motion processing in the insect visual system. These new findings show that adaptation of contrast sensitivity plays a crucial role in extending thedynamic range of motion estimation and conferring `velocity constancy,' a response invariance with respect to non-motion-related parameters. New models have been proposed which incorporate adaptation in the EMD, and analog circuit approaches have beendeveloped for the required functions. In this work, we undertake modeling of the adaptive EMD in analog VLSI. We expect the product to be a motion-sensing front end suitable for use in higher-level motion processing, including computation of optical flowand visual detection of small moving targets.

* information listed above is at the time of submission.

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