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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial",sans-serif">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).<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Arial",sans-serif">Modeling the Initial Steps of Human Vision<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Arial",sans-serif">Hosted by</span></b><span style="font-size:11.0pt;font-family:"Arial",sans-serif">: OSA Color Technical Group<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Arial",sans-serif">Date and time</span></b><span style="font-size:11.0pt;font-family:"Arial",sans-serif">: 21 July 2020, 12:00–13:00 (Eastern Time)<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Arial",sans-serif">Registration</span></b><span style="font-size:11.0pt;font-family:"Arial",sans-serif">:
<a href="https://www.osa.org/en-us/meetings/webinar/2020/modeling_the_initial_steps_of_human_vision/">
https://www.osa.org/en-us/meetings/webinar/2020/modeling_the_initial_steps_of_human_vision/</a>
<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Arial",sans-serif">Speakers</span></b><span style="font-size:11.0pt;font-family:"Arial",sans-serif">: Brian Wandell (Stanford University) & David Brainard (University of Pennsylvania)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Arial",sans-serif">Summary<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial",sans-serif">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.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Arial",sans-serif">What You Will Learn:<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial",sans-serif">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.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Arial",sans-serif">Who Should Attend:<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial",sans-serif">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.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial",sans-serif">If you have any questions, please contact Manuel Spitschan, Chair of the OSA Color Technical Group,
<a href="mailto:manuel.spitschan@psy.ox.ac.uk">manuel.spitschan@psy.ox.ac.uk</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Arial",sans-serif">Past webinars<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial",sans-serif"><a href="https://www.osa.org/en-us/meetings/webinar/2020/seeing_color_through_different_eyes_-_individual_d/">Seeing Color Through Different Eyes - Individual Differences in
Human Color Perception</a> (Mike Webster)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial",sans-serif"><a href="https://www.osa.org/en-us/meetings/webinar/2020/blue_light_and_its_effect_on_circadian_rhythms_sle/">"Blue" Light and Its Effect on Circadian Rhythms, Sleep, Alertness
and Cognition</a> (Christian Cajochen)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial",sans-serif"><a href="https://www.osa.org/en-us/meetings/webinar/2020/genetics_of_normal_and_defective_color_vision/">Genetics of Normal and Defective Color Vision</a> (Maureen Neitz)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial",sans-serif"><a href="https://www.osa.org/en-us/meetings/webinar/2019/the_blue_light_hazard_-_what_does_it_really_mean/">The Blue Light Hazard - What Does it Really Mean?</a> (John O’Hagan)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial",sans-serif">Manuel Spitschan PhD<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial",sans-serif">Chair, OSA Color Technical Group<o:p></o:p></span></p>
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