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The Department of Computer Science
of Colorado State University, in cooperation with ISTeC
(Information Science and Technology Center), offers the CS
Colloquium series as a service to all who are interested
in computer science. When in-person meetings are possible, most seminars are scheduled for
Monday 11:00AM -- 11:50AM in CSB 130. For help finding the locations of our seminar
meetings, consult the on-line CSU campus map. |
Upcoming Events
CS Colloquium Schedule, Spring 2026
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Computer Science Department Colloquium Introduction to the Graduate Program Speaker: Sudipto Ghosh, Professor and Graduate Director, Computer Science Department When: 11:00AM ~ 11:50AM, Monday January 26, 2026  Abstract: Dr. Ghosh introduces the Computer Science graduate program at CSU. Bio: Dr. Sudipto Ghosh is a Professor of Computer Science at Colorado State University with an affiliate appointment in Systems Engineering. He is also the Graduate Program Director of the Computer Science Department. He received the Ph.D. degree in Computer Science from Purdue University in 2000. His research interests are in software engineering (design and testing) and computer science education. He is on the editorial boards of Software and Systems Modeling, Software Quality Journal, and Information and Software Technology. Previously he was on the editorial boards of the IEEE Transactions on Reliability and Journal of Software Testing and Reliability. He was a general co-chair of MODELS 2009 (Denver) and Modularity 2015 (Fort Collins). He was a program co-chair of ICST 2010 (Paris), DSA 2017 (Beijing), ISSRE 2018 (Memphis), ISEC 2024 (Bangalore), and QRS 2024 (Cambridge). He has served on program committees of multiple conferences. He is a member of the ACM and a Senior Member of the IEEE. |
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Computer Science Department Colloquium How to Succeed in the CS Graduate Program Speaker: Sudipto Ghosh, Professor and Graduate Director, Computer Science Department When: 11:00AM ~ 11:50AM, Monday February 2, 2026 Abstract: Continuation of the lecture from Jan 26. Bio: Dr. Sudipto Ghosh is a Professor of Computer Science at Colorado State University with an affiliate appointment in Systems Engineering. He is also the Graduate Program Director of the Computer Science Department. He received the Ph.D. degree in Computer Science from Purdue University in 2000. His research interests are in software engineering (design and testing) and computer science education. He is on the editorial boards of Software and Systems Modeling, Software Quality Journal, and Information and Software Technology. Previously he was on the editorial boards of the IEEE Transactions on Reliability and Journal of Software Testing and Reliability. He was a general co-chair of MODELS 2009 (Denver) and Modularity 2015 (Fort Collins). He was a program co-chair of ICST 2010 (Paris), DSA 2017 (Beijing), ISSRE 2018 (Memphis), ISEC 2024 (Bangalore), and QRS 2024 (Cambridge). He has served on program committees of multiple conferences. He is a member of the ACM and a Senior Member of the IEEE. |
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Computer Science Department Colloquium The art of the 21st Century: Multimodal Interaction for Virtual Reality Sketching and Sculpting Speaker: Francisco R. Ortega, Associate Professor of Computer Science, Colorado State University When: 11:00AM ~ 11:50AM, Monday February 9, 2026 Abstract: In recent years, Virtual Reality (VR) systems have emerged as a novel medium for artists to express their ideas within an immersive 3D Virtual Environment (VE). For instance, artists benefit from the ample virtual space. At the same time, they can magnify a specific area within the VE to make precise adjustments, giving artists the flexibility to build an artwork. Artists also benefit from using novel input devices that provide feedback, enabling them to create enhanced works. These input devices can mimic or improve the tools artists use. A third advantage is that artists can correct errors, which can be challenging or impossible when creating objects with physical materials. Moreover, in the immersive virtual space, artists can focus on their craft by reducing external distractions. Due to these advantages, artists have chosen VR as a medium to express themselves. For example, Gio Nakpil creates intricate 3D sculptures in VR, demonstrating the transformative potential of VR in art. Another example is Collin Leix, who seamlessly integrates classical oil-painting techniques with contemporary VR technology. These artistic VR tools are not here to replace existing mediums but to create opportunities for new ways to communicate art. However, there are still persistent usability challenges, in particular for emerging VR sculpting. For example, existing interaction techniques often fail to capture the materiality of sculpting by requiring unnatural hand use. This talk will present current challenges for multimodal interaction in VR art, the authors' and colleagues' qualitative findings, and a way forward to motivate researchers to help us improve interaction quality, allowing artists to concentrate on their craft rather than the technology. We will also describe our VR Sketch and Sculpt application design for research experiments. Bio: Francisco R. Ortega is an Associate Professor at Colorado State University (CSU) and has been Director of the Natural User Interaction Lab (NUILAB) since Fall 2018. Dr. Ortega earned his Ph.D. in Computer Science (CS) with a focus on Human-Computer Interaction (HCI) and 3D User Interfaces (3DUI) from Florida International University (FIU). He also held the Postdoctoral and visiting assistant professor positions at FIU between February 2015 and July 2018. His research has focused on (1) multimodal and unimodal interaction (gesture-centric), which includes gesture elicitation (e.g., a form of participatory design), (2) information access effort in augmented reality (e.g., visual cues and automation bias), (3) AR notifications, and (4) stress reduction using virtual reality forest bathing. For multimodal interaction research, Dr. Ortega focuses on enhancing user interaction through (a) multimodal elicitation, (b) developing interactive techniques, and (c) refining augmented reality visualization techniques. The primary domains for interaction include general environments, immersive analytics, and VR sketching. His research has resulted in over 90 peer-reviewed publications, including books, journals, conferences, workshops, and magazine articles, in venues such as ACM CHI, ACM VRST, IEEE VR, IEEE TVCG, IEEE ISMAR, ACM PACMHCI, ACM ISS, ACM SUI, IEEE 3DUI, HFES, and Human Factor Journals, among others. Dr. Ortega has experience with multiple government-funded projects. For example, Dr. Ortega served as a co-Principal Investigator for the DARPA Communicating with Computers project. He is a principal investigator (PI) for a 3-year effort funded by ONR, titled "Perceptual ⁄ Cognitive Aspects of Augmented Reality: Experimental Research and a Computational Model." He was recently awarded a new ONR grant titled “Assessing Cognitive Load and Managing Extraneous Load to Optimize Training.” The National Science Foundation and other agencies and companies have also funded him. This includes the NSF CAREER 2023 for microgestures and multimodal interaction. Since his tenure-track appointment at CSU in August 2018, Dr. Ortega has brought over 5 million dollars in external funding (with 4.2 million as principal investigator). His lab website is https: ⁄ ⁄ nuilab.org |
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Computer Science Department Colloquium Speaker: When: 11:00AM ~ 11:50AM, Monday February 16, 2026 Abstract: |
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Computer Science Department Colloquium Speaker: When: 11:00AM ~ 11:50AM, Monday February 23, 2026 Abstract: |
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Computer Science Department Colloquium Speaker: When: 11:00AM ~ 11:50AM, Monday March 2, 2026 Abstract: |
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Computer Science Department Colloquium Speaker: When: 11:00AM ~ 11:50AM, Monday March 9, 2026 Abstract: |
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Computer Science Department Colloquium Speaker: Spring Break When: 11:00AM ~ 11:50AM, Monday March 16, 2026 Abstract: |
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Computer Science Department Colloquium Speaker: Gowtham Kaki, Assistant Professor, Univesity of Colorado, Boulder When: 11:00AM ~ 11:50AM, Monday March 23, 2026 Abstract: |
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Computer Science Department Colloquium Speaker: When: 11:00AM ~ 11:50AM, Monday March 30, 2026 Abstract: |
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Computer Science Department Colloquium Speaker: David Newton When: 11:00AM ~ 11:50AM, Monday April 6, 2026 Abstract: |
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ISTeC Distinguished Lecture; Electrical and Computer Engineering, and Computer Science Department Colloquium TBD Speaker: ISTeC DL (C Lindsay Anderson) When: 11:00AM ~ 11:50AM, Monday April 13, 2026 Abstract: |
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Computer Science Department Colloquium Speaker: When: 11:00AM ~ 11:50AM, Monday April 20, 2026 Abstract: |
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Computer Science Department Colloquium Speaker: Jason Corso, University of Michigan When: 11:00AM ~ 11:50AM, Monday April 27, 2026 Abstract: |
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Computer Science Department Colloquium Speaker: When: 11:00AM ~ 11:50AM, Monday May 4, 2026 Abstract: |
