<div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><div class="gmail_default" style="font-family:georgia,serif"><div><div class="gmail_default" style="font-size:small"><font face="georgia, serif" color="#000000"><font style="vertical-align:inherit"><font style="vertical-align:inherit"><b>When:</b>    </font></font><font style="vertical-align:inherit"><font style="vertical-align:inherit">    Monday, December 9th at <b style="background-color:rgb(255,255,0)">11:30am CT</b><b> </b></font></font></font></div><div><p style="font-size:small;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;margin:0px"><font color="#000000"><font style="vertical-align:inherit"><font face="georgia, serif" style="vertical-align:inherit"><b><span style="background-color:rgb(255,255,0)"><br></span></b></font></font></font></p><div class="gmail_default" style="font-size:small"><font face="georgia, serif" color="#000000"><b>Where:       </b>Talk will be given <font style="font-weight:bold"><u>live, in-person</u></font><font style="font-weight:bold"> </font>at</font></div><p class="MsoNormal" style="font-size:small;margin:0in;line-height:normal;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><font face="georgia, serif" color="#000000">                       TTIC, 6045 S. Kenwood Avenue</font></p><p class="MsoNormal" style="font-size:small;margin:0in;line-height:normal;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><font color="#000000" face="georgia, serif">                       5th Floor, Room 530<b> </b></font></p><p class="MsoNormal" style="font-size:small;margin:0in;line-height:normal;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><b><font face="georgia, serif" color="#000000"><br></font></b></p><p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><font face="georgia, serif" color="#000000"><b style="font-size:small;letter-spacing:0.2px">Virtually:</b><span style="font-size:small;letter-spacing:0.2px">  via Panopto </span><a href="https://uchicago.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=1dfdc259-fe39-4b61-860b-b20b00fa6e00" target="_blank">(livestream</a><span style="letter-spacing:0.2px">) <b><font size="1" style="background-color:rgb(255,242,204)">Note: This has been restricted to TTIC/UChicago Only</font></b></span><br></font></p><p class="MsoNormal" style="font-size:small;margin:0in 0in 0.0001pt;line-height:normal;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><font face="georgia, serif" color="#000000"><br></font></p><p class="MsoNormal" style="font-size:small;margin:0in 0in 0.0001pt;line-height:normal;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><font face="georgia, serif" color="#000000"><font style="vertical-align:inherit"><font style="vertical-align:inherit"><b>Who: </b>         </font></font><span class="gmail_default"></span>Raymond Yeh<span class="gmail_default">, Purdue University</span></font></p><p class="MsoNormal" style="font-size:small;margin:0in 0in 0.0001pt;line-height:normal;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"></p><div style="font-size:small"><p style="letter-spacing:0.2px"><font face="georgia, serif" color="#000000"><span style="letter-spacing:normal"><b>Title:</b>          </span><span style="letter-spacing:normal">Immunization and Test-Time Augmentation for Pre-Trained Computer Vision Models</span></font></p><div><font face="georgia, serif" color="#000000"><b>Abstract:  </b>With the advancement of open-source pre-trained models, computer vision systems are built largely by starting from these models followed by a fine-tuning/adaptation stage. In this context, we explore two important aspects of pre-trained models: (a) the mitigation of the potential misuse of pre-trained models, and (b) methods to improve the performance of a pre-trained model at test time. In this talk, I will present two recent works from our lab addressing these two topics, namely, "IMMA: Immunizing Text-to-Image Models Against Malicious Adaptation" and "Deep Networks with Subsampling Layers Unintentionally Discard Useful Activations at Test Time."</font></div><div><font face="georgia, serif" color="#000000"><br></font></div><div><font face="georgia, serif" color="#000000"><b>Short Bio</b>: <span class="gmail_default"></span><span class="gmail_default"></span>Raymond A. Yeh is an Assistant Professor in Computer Science at Purdue University. His research focuses on the intersection of machine learning and computer vision. He develops algorithms to learn effective computer vision models, with a recent focus on immunizing pre-trained vision models against fine-tuning and developing vision models with provable equivariance guarantees. Before joining Purdue, Raymond spent a year as a research assistant professor at the Toyota Technological Institute at Chicago (TTIC). He holds a PhD and an M.S. in ECE from the University of Illinois at Urbana-Champaign (UIUC). Raymond is a recipient of the Google PhD Fellowship, the Mavis Future Faculty Fellowship, and the Henry Ford II Scholar Award.</font></div><font face="georgia, serif" color="#000000"><br><b>Host: <a href="mailto:greg@ttic.edu" target="_blank">Greg Shakhnarovich</a></b></font></div></div><br clear="all"></div><div style="font-size:small"><div class="gmail_default"></div><br></div><span class="gmail_signature_prefix" style="font-size:small">--</span><br><div dir="ltr" class="gmail_signature" style="font-size:small"><div dir="ltr"><b style="font-family:Arial,Helvetica,sans-serif"><font color="#3d85c6">Brandie Jones </font></b><div style="font-family:Arial,Helvetica,sans-serif"><div><div><font color="#3d85c6"><b><i>Executive </i></b></font><b style="color:rgb(61,133,198)"><i>Administrative Assistant</i></b></div></div><div><font color="#3d85c6">Toyota Technological Institute</font></div><div><font color="#3d85c6">6045 S. Kenwood Avenue</font></div><div><font color="#3d85c6">Chicago, IL  60637</font></div></div><div style="font-family:Arial,Helvetica,sans-serif"><font color="#3d85c6"><a href="http://www.ttic.edu/" target="_blank">www.ttic.edu</a> </font></div><br></div></div></div></div></div>
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