Detecting queues at vending machines: a statistical layered approach
This paper presents a method for monitoring activities at a ticket vending machine in a video-surveillance context. Rather than relying on the output of a tracking module, which is prone to errors, the events are direclty recognized from image measurements. This especially does not require tracking. A statistical layered approach is proposed, where in the first layer, several sub-events are defined and detected using a discriminative approach. The second layer uses the result of the first and models the temporal relationships of the high-level event using a Hidden Markov Model (HMM). Results are assessed on 3h30 hours of real video footage coming from Turin metro station.
- URL: http://publications.idiap.ch/downloads/papers/2008/Naturel_ICPR_2008.pdf
- Related documents: http://publications.idiap.ch/index.php/publications/showcite/naturel:rr08-04
Record created on 2010-02-11, modified on 2016-08-08