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SUMMARY:Seminar: Carlos Castillo
DESCRIPTION:This presentation will be taking place remotely. Follow this link to enter the Zoom meeting where it will be hosted. Do not enter the meeting before 11:45 AM EDT.Title: Deep Learning for Face and Behavior AnalyticsAbstract: In this talk I will describe the AI systems we have built for face analysis and complex activity detection. I will describe SfSNet a DCNN that produces accurate decomposition of an unconstrained image of a human face into shape\, reflectance and illuminance. We present a novel architecture that mimics lambertian image formation and a training scheme that uses a mixture of labeled synthetic and unlabeled real world images. I will describe our results on the properties of DCNN-based identity features for face recognition. I will show how the DCNN features trained on in-the-wild images form a highly structured organization of image and identity information. I will also describe our results comparing the performance of our state of the art face recognition systems to that of super recognizers and forensic face examiners.I will describe our system for detecting complex activities in untrimmed security videos. In these videos the activities happen in small areas of the frame and some activities are quite rare. Our system is faster than real time\, very accurate and works well with visible spectrum and IR cameras. We have defined a new approach to compute activity proposals.I will conclude by highlighting future directions of our work.Bio: Carlos D. Castillo is an assistant research scientist at the University of Maryland Institute for Advanced Computer Studies (UMIACS). He has done extensive work on face and activity detection and recognition for over a decade and has both industry and academic research experience. He received his PhD in Computer Science from the University of Maryland\, College Park where he was advised by Dr. David Jacobs. During the past 5 years he has been involved with the UMD teams in IARPA JANUS and IARPA DIVA and DARPA L2M. He was recipient of the best paper award at the International Conference on Biometrics: Theory\, Applications and Systems (BTAS) 2016. The software he developed under IARPA JANUS has been transitioned to many USG organizations\, including Department of Defense\, Department of Homeland Security\, and Department of Justice.  In addition\, the UMD JANUS system is being used operationally by the Homeland Security Investigations (HSI) Child Exploitation Investigations Unit to provide investigative leads in identifying and rescuing child abuse victims\, as well as catching and prosecuting criminal suspects. The technologies his team developed provided the technical foundations to a spinoff startup company: Mukh Technologies LLC which creates software for face detection\, alignment and recognition. In 2018\, Dr. Castillo received the Outstanding Innovation of the Year Award from the UMD Office of Technology Commercialization. His current research interests include face and activity detection and recognition\, and deep learning.
URL:https://engineering.jhu.edu/ece/event/seminar-carlos-castillo/
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