%Aigaion2 BibTeX export from Idiap Publications %Tuesday 03 December 2024 06:10:12 PM @INPROCEEDINGS{smith:icmi:2006, author = {Smith, Kevin C. and Ba, Sil{\`{e}}ye O. and Gatica-Perez, Daniel and Odobez, Jean-Marc}, projects = {Idiap}, title = {Tracking the Multi Person Wandering Visual Focus of Attention}, booktitle = {International Conference on Multimodal Interfaces ({ICMI06})}, year = {2006}, note = {IDIAP-RR 05-80}, crossref = {smith:rr05-80}, abstract = {Estimating the {\em wandering visual focus of attention} (WVFOA) for multiple people is an important problem with many applications in human behavior understanding. One such application, addressed in this paper, monitors the attention of passers-by to outdoor advertisements. To solve the WVFOA problem, we propose a multi-person tracking approach based on a hybrid Dynamic Bayesian Network that simultaneously infers the number of people in the scene, their body and head locations, and their head pose, in a joint state-space formulation that is amenable for person interaction modeling. The model exploits both global measurements and individual observations for the VFOA. For inference in the resulting high-dimensional state-space, we propose a trans-dimensional Markov Chain Monte Carlo (MCMC) sampling scheme, which not only handles a varying number of people, but also efficiently searches the state-space by allowing person-part state updates. Our model was rigorously evaluated for tracking and its ability to recognize when people look at an outdoor advertisement using a realistic data set.}, pdf = {https://publications.idiap.ch/attachments/papers/2006/smith-icmi-2006.pdf}, postscript = {ftp://ftp.idiap.ch/pub/papers/2006/smith-icmi-2006.ps.gz}, ipdmembership={vision}, } crossreferenced publications: @TECHREPORT{smith:rr05-80, author = {Smith, Kevin C. and Ba, Sil{\`{e}}ye O. and Gatica-Perez, Daniel and Odobez, Jean-Marc}, projects = {Idiap}, title = {Tracking the Multi Person Wandering Visual Focus of Attention}, type = {Idiap-RR}, number = {Idiap-RR-80-2005}, year = {2005}, institution = {IDIAP}, note = {To appear in International Conference on Multimodal Interfaces (ICMI'06)}, abstract = {Estimating the {\em wandering visual focus of attention} (WVFOA) for multiple people is an important problem with many applications in human behavior understanding. One such application, addressed in this paper, monitors the attention of passers-by to outdoor advertisements. To solve the WVFOA problem, we propose a multi-person tracking approach based on a hybrid Dynamic Bayesian Network that simultaneously infers the number of people in the scene, their body and head locations, and their head pose, in a joint state-space formulation that is amenable for person interaction modeling. The model exploits both global measurements and individual observations for the VFOA. For inference in the resulting high-dimensional state-space, we propose a trans-dimensional Markov Chain Monte Carlo (MCMC) sampling scheme, which not only handles a varying number of people, but also efficiently searches the state-space by allowing person-part state updates. Our model was rigorously evaluated for tracking and its ability to recognize when people look at an outdoor advertisement using a realistic data set.}, pdf = {https://publications.idiap.ch/attachments/reports/2005/smith-idiap-rr-05-80.pdf}, postscript = {ftp://ftp.idiap.ch/pub/reports/2005/smith-idiap-rr-05-80.ps.gz}, ipdmembership={vision}, }