• I finished my PhD in 2017.
  • I am currently working for CHEP and also teaching the Robot Vision class (CAP 4453) at University of Central Florida.
  • My PhD research interests include scene understanding, image retrieval, context analysis, and geo-localization.


Spring 2024: Robot Vision. CAP 4453.

Selected Publications

"Holistic object detection and image understanding".
Gonzalo Vaca-Castano, Niels D. Lobo, and Mubarak Shah
Computer Vision and Image Understanding (CVIU), 2019.
DOI: 10.1016/j.cviu.2019.02.006

"Improved Scene Identification and Object Detection on Egocentric Vision of Daily Activities".
Gonzalo Vaca-Castano, Samarjit Das, Joao P. Sousa, Niels D. Lobo, and Mubarak Shah
Computer Vision and Image Understanding (CVIU), 2016.
DOI: 10.1016/j.cviu.2016.10.016
[PDF] [Project]

"Semantic Image Search from Multiple Query Images".
Gonzalo Vaca-Castano and Mubarak Shah
ACM Multimedia Conference, 2015. [PDF] [Project] [Demo]

"Improving Egocentric Vision Of Daily Activities".
Gonzalo Vaca-Castano, Samarjit Das, and Joao P Sousa
IEEE International Conference on Image Processing(ICIP), 2015. [PDF]

"City Scale Geo-spatial Trajectory Estimation of a Moving Camera".
Gonzalo Vaca-Castano, Amir Roshan Zamir, and Mubarak Shah
IEEE International Conference on Computer Vision and Pattern Recognition(CVPR), 2012. [PDF] [Project]

Other Publications

"Multispectral camera design and algorithms for python snake detection in the Florida Everglades".
Gonzalo Vaca-Castano, Ronald Driggers, Orges Furxhi, Carl Arvidson, Frank Mazzotti
Algorithms, Technologies, and Applications for Multispectral and Hyperspectral Imagery XXV, 2019.
[Publisher Website]

"Burmese python target reflectivity compared to natural Florida foliage background reflectivity".
Ronald Driggers, Orges Furxhi, Gonzalo Vaca-Castano, Veerle Reumers, Milad Vazimali, Robert Short, Prashant Agrawal, Andy Lambrechts, Wouter Charle, Kathleen Vunckx and Carl Arvidson
Applied Optics , 2019.
[Publisher Website]

"High conversion efficiency terahertz generation using antenna-coupled silicon integrated Ge photodiodes".
Peter Offermans, Lei Zhang, Peter de Heyn, Gonzalo Vaca Castano, Sofie Janssen, Sadhishkumar Balakrishnan, Xavier Rottenberg, Joris Van Campenhout
Proceedings Volume 10916, Ultrafast Phenomena and Nanophotonics XXIII; 109161C (2019) https://doi.org/10.1117/12.2513672.
[Publisher Website]

MSc Publications

"Using syllabic Mel cepstrum features and k-nearest neighbors to identify anurans and birds species".
Gonzalo Vaca-Castano, Domingo Rodriguez
IEEE Workshop on Signal Processing Systems (SIPS), 2010 . [PDF]

"A Framework for Bioacoustical Species Classification in a Versatile Service-Oriented Wireless Mesh Network".
Gonzalo Vaca-Castano, Domingo Rodriguez, Julio Castillo, Kejie Lu, Alejandro Rios, Fernando Bird.
18th European Signal Processing Conference (EUSIPCO-2010). [PDF]


Where Am I?": Accurate Video and Image Localization.

We present novel algorithms to find the geolocalization of images in a city scale and to find the trajectories .... [Project Page]


IARPA Aladdin Program"

I am part of the Sarnoff team. Currently I am working in the event detection problem using detection of concepts in keyframes [More Info]


Other Projects

During my MSc degree, I worked on audio and wireless sensors identifying species from their vocalizations. This is my old page .

CAP4453 Robot Vision - Fall 2021
RET 2012