Visual pattern encoding with weighted Hermite polynomials

Authors: Yang, Jian¹; Reeves, Adam²

Source: Spatial Vision, Volume 14, Numbers 3-4, 2001 , pp. 391-412(22)

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Abstract:

The human visual system is spatially inhomogenous, and this property should be included in models of visual processing. We used weighted Hermite polynomials (WHPs) to encode and to characterize such inhomogenous processing. Simulations using an order-transfer-function (OTF) defined for each WHP order, at three spatial scales, provide elegant predictions of spatial frequency discrimination, of WHP order discrimination, and variations in two-point resolution and detection sensitivity with retinal eccentricity.

Document Type: Research article

DOI: http://dx.doi.org/10.1163/156856801753253609

Affiliations: 1: CDU, Eastman Kodak Company, Rochester, NY 14650, USA 2 Department of Psychology, Northeastern University, Boston, MA 02115, USA 2: Department of Psychology, Northeastern University, Boston, MA 02115, USA

Publication date: 2001-09-01

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