<div dir="ltr"><div><p style="font-size:13px;margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:normal;font-family:"Helvetica Neue"">Dear all,</p><p style="font-size:13px;margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:normal;font-family:"Helvetica Neue""><br></p><p style="font-size:13px;margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:normal;font-family:"Helvetica Neue"">You are invited to our upcoming Optica Color TG Webinar:</p><p style="font-size:13px;margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:normal;font-family:"Helvetica Neue";min-height:16px"><b></b><br></p><p style="font-size:13px;margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:normal;font-family:"Helvetica Neue""><b>Speaker: </b>Prof. Yuhao Zhu from University of Rochester<br><b>Topic:</b> <span style="text-decoration-line:underline">Color Discrimination and Chromatic Adaptation: Measuring, Modeling, and Exploiting Them for Energy-Efficient XR Displays</span></p><p style="font-size:13px;margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:normal;font-family:"Helvetica Neue""><b>Date:</b> 29 September 2025<br><b>Time:</b> 13:00 - 14:00 Eastern Daylight/Summer Time (US & Canada) (UTC -04:00)</p><p style="font-size:13px;margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:normal;font-family:"Helvetica Neue";min-height:15px"><br></p><p style="font-size:13px;margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:normal;font-family:"Helvetica Neue"">As virtual and extended reality (XR) technologies continue to evolve and become more accessible to everyday consumers, there is an increasing need to characterize color vision across the entire visual field in greater detail. In particular, it is becoming increasingly important to revisit foundational visual functions, such as chromatic adaptation, to examine how they operate in XR environments, which may differ significantly from traditional laboratory environments. These efforts not only contribute to the refinement of XR systems but also have the potential to advance our fundamental understanding of human vision.</p><p style="font-size:13px;margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:normal;font-family:"Helvetica Neue";min-height:15px"><br></p><p style="font-size:13px;margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:normal;font-family:"Helvetica Neue"">In this webinar, Prof. Yuhao Zhu will explore the science of color discrimination and how it changes with visual eccentricity, as well as the temporal dynamics of chromatic adaptation under dynamic illumination. He will also introduce a series of psychophysical paradigms developed to measure and model these phenomena, and explain how these models can be used to optimize power efficiency in XR systems that utilize organic light-emitting diode (OLED) displays. By attending this session, you will gain insights that bridge theoretical research, experimental methods, and practical application, providing valuable knowledge for both academic and industry professionals.</p><p style="font-size:13px;margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:normal;font-family:"Helvetica Neue";min-height:15px"><br></p><p style="font-size:13px;margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:normal;font-family:"Helvetica Neue"">The registration page can be accessed at <a href="https://www.optica.org/events/webinar/2025/09_september/color_discrimination_and_chromatic_adaptation_measuring_modeling_and_exploiting_them_for_energy-e/?_gl=1*1f4ur73*_up*MQ..*_ga*MzY2MTAwNjI4LjE3NTI2MTM4NzM.*_ga_MRNMJCH3ZQ*czE3NTI2MTM4NzMkbzEkZzAkdDE3NTI2MTM4NzMkajYwJGwwJGgxMTMzNjIxNzg0" target="_blank">https://www.optica.org/events/webinar/2025/09_september/color_discrimination_and_chromatic_adaptation_measuring_modeling_and_exploiting_them_for_energy-e/?_gl=1*1f4ur73*_up*MQ..*_ga*MzY2MTAwNjI4LjE3NTI2MTM4NzM.*_ga_MRNMJCH3ZQ*czE3NTI2MTM4NzMkbzEkZzAkdDE3NTI2MTM4NzMkajYwJGwwJGgxMTMzNjIxNzg0</a> </p><p style="font-size:13px;margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:normal;font-family:"Helvetica Neue";min-height:15px"><br></p><p style="font-size:13px;margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:normal;font-family:"Helvetica Neue"">Looking forward to your participation!</p><p style="font-size:13px;margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:normal;font-family:"Helvetica Neue";min-height:15px"><br></p><p style="font-size:13px;margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:normal;font-family:"Helvetica Neue"">Best regards,</p><p style="font-size:13px;margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:normal;font-family:"Helvetica Neue";min-height:15px"><br></p><p style="font-size:13px;margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:normal;font-family:"Helvetica Neue"">Jingyi He</p><p style="font-size:13px;margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:normal;font-family:"Helvetica Neue"">Chair, Optica Color Technical Group</p></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><font color="#999999"><a href="https://scholar.google.com/citations?user=8p8KKugAAAAJ&hl=en" target="_blank">Jingyi He</a> <font face="arial, sans-serif">(She/Her/Hers), P</font>h.D.</font></div><div><font color="#999999"><a href="https://optometry.berkeley.edu/" target="_blank">Herbert Wertheim School of Optometry and Vision Science</a> </font></div><div><font color="#999999">University of California, Berkeley, CA, 94720, USA</font><br></div></div></div></div>