Objectives:
Given one pan-tilt-zoom camera the long-term objective consists in automating the monitoring of changes in a scenario. An example application is inventory check in a museum room, where the pan-tilt-zoom camera at the end of the day browses the scenario to confirm all museum pieces are at their desired locations.
Pan-tilt-zoom cameras provide very high resolution at widely separated points of interest. Mosaicing at the highest resolution requires large amounts of memory. Minimizing the memory requirements, without exaggerating the computational requirements, is a central objective of this thesis.
This project is based in the research and development of two fundamental components:
(i) pan-tilt-zoom camera geometric modeling and calibrating
(ii) integrating changes in the background model of the scenario
(iii) detecting modifications of the scenario
References:
"Mosaicing with Pan-Tilt-Zoom Cameras", Rodrigo Serra, MSc Thesis, Electrical and Computer Engineering, IST - 2019/2020.
"Calibration of Surveillance Cameras based on an Auxiliary Color-Depth Camera", Diogo Góis, MSc Thesis, Electrical and Computer Engineering, IST - 2019/2020.
"Background Representation and Subtraction for Pan-Tilt-Zoom Cameras", Luís Alves, MSc Thesis, Electrical and Computer Engineering, IST - 2017/2018. More information.
"Cooperating Smart Cameras", Tiago Marques, MSc Thesis, Electrical and Computer Engineering, IST - 2014/2015. More information.
"Vision Based Multi-Target Tracking", Pedro Silva, MSc Thesis, Electrical and Computer Engineering, IST - 2013/2014. More information.
"Multitasking of Smart Cameras", Tiago Castanheira, MSc Thesis, Electrical and Computer Engineering, IST - 2012/2013. More information.
"Target Tracking with Pan-Tilt-Zoom Cameras", Diogo Leite, MSc Thesis, Electrical and Computer Engineering, IST - 2010/2011. More information.
Historical references:
Frame-Rate Omnidirectional Surveillance & Tracking
http://vast.uccs.edu/~tboult/frame/Boult/index.html
Video Surveillance and Monitoring
Requirements (grades, required courses, etc):
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Localization:
ISR / IST
Observations:
Previous works conducted at ISR/IST provide good starting points for the thesis. In particular a number of software prototypes already exist for target detection, tracking and camera scheduling.
More MSc dissertation proposals on Computer and Robot Vision in:
http://omni.isr.ist.utl.pt/~jag