Nuno M. Vasconcelos
Also known as Nuno Vasconcelos, Nuno Miguel Borges de Pinho Cruz de Vasconcelos
Nuno Vasconcelos is an electrical and computer engineering professor at UC San Diego who heads the Statistical Visual Computing Laboratory, where research in computer vision and machine learning aims to give computers the ability to perceive complex visual scenes. He grew up in Portugal, studied at the Universidade do Porto, and completed an MIT PhD in 2000, with a CVPR 2000 paper on probabilistic image retrieval coauthored with Andrew Lippman. After research-staff work at Compaq and HP in Cambridge, he joined UC San Diego in 2003, won an NSF CAREER grant and a Hellman Fellowship in 2005, and became an IEEE Fellow in 2017. His papers include a 2010 CVPR study of anomalies in crowded scenes, the MS-CNN detector in 2016, and the Cascade R-CNN detector in 2018.
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Timeline
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1988–2000
From Porto to an MIT PhD
Raised in Portugal, he earns a bachelor's degree in electrical and computer engineering at the Universidade do Porto in 1988 and works as a researcher at the Instituto de Engenharia de Sistemas e Computadores until 1991. He is a research assistant at MIT's Media Laboratory from 1991 to 2000, earns a master's degree in Media Arts and Sciences at MIT in 1993, and receives his PhD from MIT in 2000. His CVPR 2000 paper with Andrew Lippman, "A Probabilistic Architecture for Content-Based Image Retrieval", presents a retrieval architecture whose modules all optimize the same criterion, the probability of retrieval error.
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2003
Joining UC San Diego
After working on the research staff of the Compaq Cambridge Research Laboratory, which became the HP Cambridge Research Laboratory, he joins the Electrical and Computer Engineering faculty of UC San Diego's Jacobs School of Engineering in 2003. He heads the Statistical Visual Computing Laboratory.
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2005
NSF CAREER and Hellman awards
In 2005, the National Science Foundation awards him a five-year CAREER grant of $435,000 for research on weakly supervised recognition, techniques that detect and recognize objects in large image and video repositories. He also receives a Hellman Fellowship in 2005.
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2010
Anomaly detection in crowded scenes
In 2010, he coauthors the CVPR paper "Anomaly Detection in Crowded Scenes" with Vijay Mahadevan, Weixin Li and Viral Bhalodia. It models normal crowd behavior with mixtures of dynamic textures, labels outliers as anomalies, and tests the approach on a new dataset of 100 video sequences with five abnormality categories.
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2016
The MS-CNN object detector
In 2016, he coauthors the multi-scale CNN (MS-CNN) with Zhaowei Cai, Quanfu Fan and Rogerio S. Feris, a unified deep network for fast multi-scale object detection. It reports state-of-the-art detection at up to 15 frames per second on the KITTI and Caltech datasets.
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2017
Elevated to IEEE Fellow
He is elevated to IEEE Fellow in 2017 for contributions to computer vision, image processing, and multimedia.
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2018
Cascade R-CNN at CVPR
In 2018, he and Zhaowei Cai publish Cascade R-CNN in the CVPR proceedings, a multi-stage object detector built from a sequence of detectors trained with increasing intersection-over-union thresholds. A simple implementation surpasses all single-model object detectors on the COCO dataset.
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As of October 2026
Professor at UC San Diego
He is a professor of electrical and computer engineering at UC San Diego, where he heads the Statistical Visual Computing Laboratory. His research aims to provide computers with the ability to perceive complex visual scenes and make inferences from them. In January 2026, he coauthors "Leveraging Data to Say No: Memory Augmented Plug-and-Play Selective Prediction", a paper on giving predictors a reject option for vision-language foundation models, which appears as an ICLR 2026 poster.
Career
- Since 2003University of California, San DiegoProfessor of Electrical and Computer Engineering
- 1991–2000Massachusetts Institute of TechnologyResearch assistant
- 1988–1991Institute for Systems and Computer EngineeringResearcher
- CompaqResearch staff
Education
- 2000Massachusetts Institute of TechnologyPhD
- 1993Massachusetts Institute of TechnologyMaster's degree in Media Arts and Sciences
- 1988University of PortoBachelor's degree in electrical and computer engineering
Sources and credits
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- Nuno Vasconcelos | Jacobs School of Engineering
- NSF Selects Two UC San Diego Experts in Computer Vision to Receive Five-Year CAREER Grants
- Computers that See | Benefunder
- A Probabilistic Architecture for Content-Based Image Retrieval | ML Anthology
- Nuno Vasconcelos | Vision
- SVCL - Nuno Vasconcelos
- Anomaly Detection in Crowded Scenes | ML Anthology
- A Unified Multi-scale Deep Convolutional Neural Network for Fast Object Detection
- 2017 IEEE Fellow - Professor Nuno Vasconcelos | Electrical and Computer Engineering
- CVPR 2018 Open Access Repository: Cascade R-CNN: Delving Into High Quality Object Detection
- Leveraging Data to Say No: Memory Augmented Plug-and-Play Selective Prediction
- ICLR Poster Leveraging Data to Say No: Memory Augmented Plug-and-Play Selective Prediction




