[visionlist] OSA Color Technical Group webinar: Modeling the Initial Steps of Human Vision (21 July 2020; Brian Wandell & David Brainard)

[Manuel Spitschan]

Register now for the next OSA Color Technical Group webinar! It is our pleasure to host Prof. Brian Wandell (Stanford University) and Prof. David Brainard (University of Pennsylvania).

Modeling the Initial Steps of Human Vision

Hosted by: OSA Color Technical Group
Date and time: 21 July 2020, 12:00–13:00 (Eastern Time)
Registration: https://www.osa.org/en-us/meetings/webinar/2020/modeling_the_initial_steps_of_human_vision/
Speakers: Brian Wandell (Stanford University) & David Brainard (University of Pennsylvania)

Summary
Vision guides thought and action. To do so usefully it must inform us about critical features of the world around us. What we can learn about the world is limited by the initial stages of visual processing. Physicists, biologists and psychologists have created quantitative models of these stages, and these models enable us to quantify the encoded information. We have integrated these models as image computable software: the Image Systems Engineering Toolbox for Biology (ISETBio). The software is an extensible set of open-source modules that model the three-dimensional scene spectral radiance, retinal image formation (physiological optics), spatial sampling by the cone photoreceptor mosaic, fixational eye movements, and phototransduction. This webinar, hosted by the OSA Color Technical Group, will provide an overview of the ISETBio modules as well as examples of how to use the software to understand and model human visual performance.

What You Will Learn:
How to use the ISETBio software tools (Matlab) to (1) Create a 3D spectral scene, (2) Compute the corresponding retinal irradiance of a scene, (3) Calculate photoreceptor excitations and photocurrent, (4) Model eye movements, and (5) Predict contrast and chromatic sensitivity.

Who Should Attend:
People interested in the properties of the initial visual encoding of light and in particular those who would like software tools to calculate the properties of the front end of the visual system.

If you have any questions, please contact Manuel Spitschan, Chair of the OSA Color Technical Group, manuel.spitschan at psy.ox.ac.uk<mailto:manuel.spitschan at psy.ox.ac.uk>

Past webinars
Seeing Color Through Different Eyes - Individual Differences in Human Color Perception<https://www.osa.org/en-us/meetings/webinar/2020/seeing_color_through_different_eyes_-_individual_d/> (Mike Webster)
"Blue" Light and Its Effect on Circadian Rhythms, Sleep, Alertness and Cognition<https://www.osa.org/en-us/meetings/webinar/2020/blue_light_and_its_effect_on_circadian_rhythms_sle/> (Christian Cajochen)
Genetics of Normal and Defective Color Vision<https://www.osa.org/en-us/meetings/webinar/2020/genetics_of_normal_and_defective_color_vision/> (Maureen Neitz)
The Blue Light Hazard - What Does it Really Mean?<https://www.osa.org/en-us/meetings/webinar/2019/the_blue_light_hazard_-_what_does_it_really_mean/> (John O’Hagan)

Manuel Spitschan PhD
Chair, OSA Color Technical Group
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