Published 1998
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A Model of Early Visual Processing
Chicago
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Abstract
We propose a model for early visual processing in primates. The model consists of a population of linear spatial filters which interact through non-linear excitatory and inhibitory pooling. Statistical estimation theory is then used to derive human psychophysical thresholds from the responses of the entire population of units. The model is able to reproduce human thresholds for contrast and orientation discrimination tasks, and to predict contrast thresholds in the presence of masks of varying orientation and spatial frequency.
Additional Information
© 1998 Massachusetts Institute of Technology. This work was supported by NSF-Engineering Research Center (ERC), NIMH, ONR, and the Sloan Center for Theoretical Neurobiology.Attached Files
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Additional details
- Eprint ID
- 64828
- Resolver ID
- CaltechAUTHORS:20160226-163402394
- NSF
- National Institute of Mental Health (NIMH)
- Office of Naval Research (ONR)
- Caltech Sloan Center for Theoretical Neurobiology
- Created
-
2016-02-29Created from EPrint's datestamp field
- Updated
-
2019-10-03Created from EPrint's last_modified field
- Caltech groups
- Koch Laboratory (KLAB)
- Series Name
- Advances in Neural Information Processing Systems
- Series Volume or Issue Number
- 10