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Wednesday 28 June 2023, 16:00-17:00
castleCSF - A Contrast Sensitivity Function of Color, Area, Spatio-Temporal frequency, Luminance and Eccentricity
- đ¤ Speaker: Maliha Ashraf, University of Cambridge
- đ Date & Time: Wednesday 28 June 2023, 16:00 - 17:00
- đ Venue: SS03 - William Gates Building
Abstract
The Contrast Sensitivity Function (CSF) is a powerful model of vision, which has found wide application in modern engineering, display manufacturing, optics, and computer graphics. Notably, human contrast sensitivity is affected by numerous aspects of the stimulus, making psychophysical data collection and holistic modelling difficult. We propose an analytical model describing contrast sensitivity as the function of spatial and temporal frequencies, chromatic modulation, mean luminance, eccentricity, and stimulus area. Our model is unique in its capability of describing all these parameters simultaneously. To construct this model, we follow a distinctly data-driven approach by combining information from 19 pre-existing datasets that span the broad range of measurements covered by our model. In addition, castleCSF relies on models of vision and physiologically-based evidence.
Series This talk is part of the Rainbow Group Seminars series.
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