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<p class="gmail-p1" style="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;font-size:13px;line-height:normal;font-family:"Helvetica Neue"">Dear All,</p>
<p class="gmail-p2" style="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;font-size:13px;line-height:normal;font-family:"Helvetica Neue";min-height:15px"><br></p>
<p class="gmail-p1" style="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;font-size:13px;line-height:normal;font-family:"Helvetica Neue"">I’m pleased to invite you to an upcoming Optica <b>Color</b> Technical Group Webinar:</p><p class="gmail-p1" style="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;font-size:13px;line-height:normal;font-family:"Helvetica Neue""><br></p>
<p class="gmail-p1" style="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;font-size:13px;line-height:normal;font-family:"Helvetica Neue""><b>Date:</b> 28 April 2025 <br>
<b>Time:</b> 12:00 - 13:00 Eastern Daylight/Summer Time (US & Canada) (UTC -04:00)<br>
<b>Speaker: </b><span class="gmail-s1" style="text-decoration-line:underline">Rafał K. Manituk from University of Cambridge</span><br>
<b>Topic:</b> <span class="gmail-s1" style="text-decoration-line:underline">Color VDP: A Visual Difference Predictor for Image, Video and Display Distortions</span></p>
<p class="gmail-p2" style="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;font-size:13px;line-height:normal;font-family:"Helvetica Neue";min-height:15px"><br></p>
<p class="gmail-p1" style="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;font-size:13px;line-height:normal;font-family:"Helvetica Neue"">Assessing the visual quality of color images and videos is a key focus in fields such as computer graphics and computer vision. However, it is fundamentally challenging to develop reliable metrics for perceptual differences, as color appearance depends on spatial and temporal contexts in complex ways. In this webinar hosted by the Color Technical Group, Rafał Mantiuk will present his recent work on ColorVideoVDP, a quality metric for video and images that models how the human visual system processes luminance and color over space and time.</p>
<p class="gmail-p2" style="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;font-size:13px;line-height:normal;font-family:"Helvetica Neue";min-height:15px"><br></p>
<p class="gmail-p1" style="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;font-size:13px;line-height:normal;font-family:"Helvetica Neue"">This metric is built on psychophysical models of chromatic spatiotemporal contrast sensitivity and cross-channel contrast masking, and it considers viewing conditions along with the geometric and photometric properties of displays. ColorVideoVDP supports various applications requiring spatiotemporal assessment of luminance and color distortions, including video streaming, display design, visual comparisons, and perceptually guided quality optimization. This webinar will be especially relevant for researchers studying low-level processing in human color vision and for those using these metrics to evaluate the quality of displayed content.</p>
<p class="gmail-p2" style="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;font-size:13px;line-height:normal;font-family:"Helvetica Neue";min-height:15px"><br></p>
<p class="gmail-p3" style="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;font-size:13px;line-height:normal;font-family:"Helvetica Neue";color:rgb(220,161,13)"><span class="gmail-s2" style="color:rgb(0,0,0)">The registration page can be accessed at <a href="https://www.optica.org/events/webinar/2025/04_april/color_vdp_a_visual_difference_predictor_for_image_video_and_display_distortions/?_gl=1*1hu6csy*_up*MQ..*_ga*ODMxOTE1ODcwLjE3NDE5ODQ1MzY.*_ga_MRNMJCH3ZQ*MTc0MTk4NDUzNi4xLjAuMTc0MTk4NDUzNi4wLjAuNjg3OTI4Mzk2">https://www.optica.org/events/webinar/2025/04_april/color_vdp_a_visual_difference_predictor_for_image_video_and_display_distortions/?_gl=1*1hu6csy*_up*MQ..*_ga*ODMxOTE1ODcwLjE3NDE5ODQ1MzY.*_ga_MRNMJCH3ZQ*MTc0MTk4NDUzNi4xLjAuMTc0MTk4NDUzNi4wLjAuNjg3OTI4Mzk2</a><span class="gmail-Apple-converted-space"> </span></span></p>
<p class="gmail-p2" style="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;font-size:13px;line-height:normal;font-family:"Helvetica Neue";min-height:15px"><br></p>
<p class="gmail-p1" style="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;font-size:13px;line-height:normal;font-family:"Helvetica Neue"">Looking forward to your participation!</p><p class="gmail-p1" style="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;font-size:13px;line-height:normal;font-family:"Helvetica Neue""><br></p><p class="gmail-p1" style="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;font-size:13px;line-height:normal;font-family:"Helvetica Neue"">Best wishes,</p><p class="gmail-p1" style="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;font-size:13px;line-height:normal;font-family:"Helvetica Neue"">Jingyi He</p><p class="gmail-p1" style="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;font-size:13px;line-height:normal;font-family:"Helvetica Neue""><br></p></div></div>