Cost-justifying usability
The Recognition of Human Movement Using Temporal Templates
IEEE Transactions on Pattern Analysis and Machine Intelligence
Multi Feature Path Modeling for Video Surveillance
ICPR '04 Proceedings of the Pattern Recognition, 17th International Conference on (ICPR'04) Volume 2 - Volume 02
Histograms of Oriented Gradients for Human Detection
CVPR '05 Proceedings of the 2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'05) - Volume 1 - Volume 01
Efficient Visual Event Detection Using Volumetric Features
ICCV '05 Proceedings of the Tenth IEEE International Conference on Computer Vision (ICCV'05) Volume 1 - Volume 01
Enhanced shopping: a dynamic map in a retail store
UbiComp '08 Proceedings of the 10th international conference on Ubiquitous computing
Who will be the customer?: a social robot that anticipates people's behavior from their trajectories
UbiComp '08 Proceedings of the 10th international conference on Ubiquitous computing
A behavior model for persuasive design
Proceedings of the 4th International Conference on Persuasive Technology
Beyond pixels: exploring new representations and applications for motion analysis
Beyond pixels: exploring new representations and applications for motion analysis
Human action recognition using ordinal measure of accumulated motion
EURASIP Journal on Advances in Signal Processing - Special issue on video analysis for human behavior understanding
Human behavior analysis at a point of sale
ISVC'10 Proceedings of the 6th international conference on Advances in visual computing - Volume Part III
A Survey of Vision-Based Trajectory Learning and Analysis for Surveillance
IEEE Transactions on Circuits and Systems for Video Technology
Efficient Classification for Additive Kernel SVMs
IEEE Transactions on Pattern Analysis and Machine Intelligence
Dynamic indoor localization and awareness using sensor-networks
Proceedings of the 14th International Conference on Computer Systems and Technologies
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Automatic understanding of customers' shopping behavior and acting according to their needs is relevant in the marketing domain and is attracting a lot of attention lately. In this work, we propose a multi-level framework for the automatic assessment of customers' shopping behavior. The low level input to the framework is obtained from different types of cameras, which are synchronized, facilitating efficient processing of information. A fish-eye camera is used for tracking people, while a high-definition one serves for the action recognition task. The experiments are performed on both laboratory and real-life recordings in a supermarket. From the video recordings, we extract features related to the spatio-temporal behavior of trajectories, the dynamics and the time spent in each region of interest (ROI) in the shop and regarding the customer-products interaction patterns. Next we analyze the shopping sequences using a Hidden Markov Model (HMM). We conclude that it is possible to accurately classify trajectories (93%), discriminate between different shopping related actions (91.6%), and recognize shopping behavioral types by means of our proposed reasoning model in 95% of the cases.