daniel gatica-perez's publications @ idiap


publications by year
(journals, book chapters, conferences, workshops)


summary
google scholar  

2017
 
  G. Can, J.-M. Odobez, and D. Gatica-Perez
Codical Maya Glyph Segmentation: A Crowdsourcing Approach
IEEE Trans. on Multimedia, accepted for publication
  A. Cerekovic, O. Aran, and D. Gatica-Perez
Rapport with Virtual Agents: What do Human Social Cues and Personality Explain?
IEEE Trans. on Affective Computing, published online Mar. 2016, Vol. 8, No. 3, pp. 382-395, Jul-Sep 2017
  R. Hu, C. Pallan Gayol, J.-M. Odobez, and D. Gatica-Perez
Analyzing and Visualizing Ancient Maya Hieroglyphics Using Shape: from Computer Vision to Digital Humanities
Digital Scholarship in the Humanities, published online Jul. 2017
  S. Ruiz-Correa, D. Santani, B. Ramirez Salazar, I. Ruiz Correa, F. A. Rendon-Huerta, C. Olmos Carrillo, B. C. Sandoval Mexicano, A. H. Arcos Garcia, R. Hasimoto Beltran, and D. Gatica-Perez
SenseCityVity: Mobile Crowdsourcing, Urban Awareness, and Collective Action in Mexico
IEEE Pervasive Computing, Special Issue on Smart Cities, Vol. 16, No. 2, pp. 44-53, Apr-Jun 2017
  R. Hu, J.-M. Odobez, and D. Gatica-Perez
Extracting Maya Glyphs from Degraded Ancient Documents via Image Segmentation
ACM Journal on Computing and Cultural Heritage, Vol. 10, Issue 2, Apr. 2017
  F. Labhart, D. Santani, J. Truong, F. Tarsetti, O. Bornet, S. Landolt, D. Gatica-Perez, and E. Kuntsche
Development of the Geographical Proportional-to-Size Street-Intercept Sampling (GPSIS) Method for Recruiting Urban Nightlife-Goers in an Entire City
Int. Journal of Social Research Methodology, Vol. 20, No. 6, pp. 721-736, 2017
  D. Gatica-Perez, O. Aran, and D. Jayagopi
Small Group Analysis
in J. Burgoon, N. Magnenat-Thalmann, M. Pantic, and A. Vinciarelli (Eds.)
Social Signal Processing, Cambridge University Press, 2017
  D. Gatica-Perez, S. Ruiz-Correa, and D. Santani,
What TripAdvisor Can't Tell: Crowdsourcing Urban Impressions for Whole Cities
in Digital Polis (in French), A. de Biase, N. Ottaviano, O. Zaza (Eds.), in press
  D. Gatica-Perez, G. Can, R. Hu, S. Marchand-Maillet, J.-M. Odobez, C. Pallan Gayol, and E. Roman-Rangel
MAAYA: Multimedia Methods to Support Maya Epigraphic Analysis
In Diego Jimenez-Badillo (Ed.) Arqueologia Computacional: Nuevos Enfoques para el Analisis y la Difusion del Patrimonio Cultural. INAH-RedTDPC, in press.
  Y. Benkhedda, D. Santani, and D. Gatica-Perez
Venues in Social Media: Examining Ambiance Perception Through Scene Semantics
in Proc. ACM Int. Conf. on Multimedia (MM), Mountain View, Oct. 2017
  R. Hu, H. Pham, P. Buluschek, and D. Gatica-Perez
Elderly People Living Alone: Detecting Home Visits with Ambient and Wearable Sensing
in Proc. ACM Int. Workshop on Multimedia for Personal Health (MMHealth), Mountain View, Oct. 2017
  D. Santani, S. Ruiz-Correa, and D. Gatica-Perez
Insiders and Outsiders: Comparing Urban Impressions between Population Groups
in Proc. ACM Int. Conf. on Multimedia Retrieval (ICMR), Bucharest, Jun. 2017
  G. Can, J.-M. Odobez, and D. Gatica-Perez
Shape Representations for Maya Codical Glyphs: Knowledge-driven or Deep?
in Proc. Int. Workshop on Content-Based Multimedia Indexing (CBMI), Special Session on Multimedia for Cultural Heritage, Florence, Jun. 2017
2016
 
  G. Can, J.-M. Odobez, and D. Gatica-Perez
Evaluating Shape Representations for Maya Glyph Classification
ACM Journal on Computing and Cultural Heritage, Vol. 9, Issue 3, Nov. 2016
  L. S. Nguyen and D. Gatica-Perez
Hirability in the Wild: Analysis of Online Conversational Video Resumes
IEEE Trans. on Multimedia, published online Apr. 2016, Vol. 18, No. 7, pp. 1422-1437, Jul. 2016
  S. Muralidhar, L. S. Nguyen, J. Costa, and D. Gatica-Perez
Dites-Moi: Wearable Feedback on Conversational Behavior
in Proc. Int. Conf. on Mobile and Ubiquitous Multimedia (MUM), Rovaniemi, Dec. 2016
  S. Muralidhar, L. S. Nguyen, D. Frauendorfer, J.-M. Odobez, M. Schmid Mast, and D. Gatica-Perez
Training on the Job: Behavioral Analysis of Job Interviews in Hospitality
in Proc. ACM Int. Conf. on Multimodal Interaction (ICMI), Tokyo, Nov. 2016
  A. Finnerty, S. Muralidhar, L. S. Nguyen, F. Pianesi, and D. Gatica-Perez
Stressful First Impressions in Job Interviews
in Proc. ACM Int. Conf. on Multimodal Interaction (ICMI), Tokyo, Nov. 2016
  D. Santani, R. Hu, and D. Gatica-Perez
InnerView: Learning Place Ambiance from Social Media Images
in Proc. ACM Int. Conf. on Multimedia (MM), Amsterdam, Oct. 2016
  O. Aran, D. Sanchez-Cortes, T. Do, and D. Gatica-Perez
Anomaly Detection of Elderly Daily Behavior in Ambient Sensing Environments
in Proc. Int. Workshop on Human Behavior Understanding (HBU), Amsterdam, Oct. 2016
  E. Roman-Rangel, G. Can, S. Marchand-Maillet, R. Hu, C. Pallan Gayol, G. Krempel, J. Spotak, J.-M. Odobez, and D. Gatica-Perez
Transferring Neural Representations for Low-Dimensional Indexing of Maya Hieroglyphic Art
in Proc. ECCV Workshop on Computer Vision for Art Analysis, Amsterdam, Oct. 2016
  D. Santani, J.-I. Biel, F. Labhart, J. Truong, S. Landolt, E. Kunstche, and D. Gatica-Perez
The Night is Young: Urban Crowdsourcing of Nightlife Patterns
in Proc. ACM Int. Joint Conf. on Ubiquitous and Pervasive Computing (Ubicomp), Heidelberg, Sep. 2016
  G. Can, J.-M. Odobez, C. Pallan-Gayol, and D. Gatica-Perez
Ancient Maya Writings as High-Dimensional Data: a Visualization Approach
in Proc. Digital Humanities Conference (DH), Krakow, Jul. 2016
  R. Hu, J.-M. Odobez, and D. Gatica-Perez
Assessing a Shape Descriptor for Analysis of Mesoamerican Hieroglyphics: A View Towards Practice in Digital Humanities
in Proc. Digital Humanities Conference (DH), Krakow, Jul. 2016
  A. Olteanu, I. Weber, and D. Gatica-Perez
Characterizing the Demographics Behind the #BlackLivesMatter Movement
in Proc. AAAI Spring Symp. on Observational Studies through Social Media and Other Human-Generated Content, Palo Alto, Mar. 2016

2015
 
  A. Marcos-Ramiro, D. Pizarro, M. Marron-Romera, and D. Gatica-Perez
Let Your Body Speak: Communicative Cue Extraction on Natural Interaction using RGBD Data
IEEE Trans. on Multimedia, published online Aug. 2015, Vol. 17, No. 10, pp. 1721-1732, Oct. 2015
  D. Frauendorfer, M. Schmid Mast, D. Sanchez-Cortes, and D. Gatica-Perez
Emergent Hierarchies and Group Performance
International Journal of Psychology, published online Oct. 2014, Vol. 50, Issue 5, pp. 392-396, Oct. 2015
  R. Hu, G. Can, C. Pallan Gayol, G. Krempel, J. Spotak, G. Vail, S. Marchand-Maillet, J.-M. Odobez, and D. Gatica-Perez
Multimedia Analysis and Access of Ancient Maya Epigraphy
IEEE Signal Processing Magazine, Special Issue on Signal Processing for Art Investigation, Vol. 32, No. 4, pp. 75-84, Jul. 2015
  D. Sanchez-Cortes, S. Kumano, K. Otsuka, and D. Gatica-Perez
In the Mood for Vlog: Multimodal Inference in Conversational Social Video
ACM Trans. on Interactive Intelligent Systems, Special Issue on Behavior Understanding for Arts and Entertainment, Vol. 5, No. 2, pp. 1-24, Jul. 2015
  T. Do, O. Dousse, M. Miettinen, and D. Gatica-Perez
A Probabilistic Kernel Method for Human Mobility Prediction with Smartphones
Pervasive and Mobile Computing, published online Sep. 2014, Vol. 20, pp. 13-28, Jul. 2015
  L. Teijeiro-Mosquera, J.-I. Biel, J. L. Alba-Castro, and D. Gatica-Perez
What Your Face Vlogs About: Expressions of Emotion and Big-Five Trait Impressions in YouTube
IEEE Trans. on Affective Computing, published online Dec. 2014, Vol. 6, Issue 2, pp. 193-205, Apr.-Jun. 2015
  M. Schmid Mast, D. Gatica-Perez, D. Frauendorfer, L. Nguyen, and T. Choudhury
Social Sensing for Psychology: Automated Interpersonal Behavior Assessment
Current Directions in Psychological Science, Vol. 24, No. 2, pp. 154-160, Apr. 2015
  D. Gatica-Perez
Signal Processing in the Workplace
IEEE Signal Processing Magazine, Vol. 32, No. 1, pp. 121-125, Jan. 2015
  D. Santani, S. Ruiz Correa, and D. Gatica-Perez
Looking at Cities in Mexico with Crowds
in Proc. ACM Symposium on Computing for Development (ACM DEV), London, Dec. 2015
  G. Chavez-Martinez, S. Ruiz-Correa, and D. Gatica-Perez
Happy and Agreeable? Multi-Label Classification of Impressions in Social Video
in Proc. Int. Conf. on Mobile and Ubiquitous Multimedia (MUM), Linz, Dec. 2015
  L. Nguyen and D. Gatica-Perez
I Would Hire You in a Minute: Thin Slices of Nonverbal Behavior in Job Interviews
in Proc. ACM Int. Conf. on Multimodal Interaction (ICMI), Seattle, Nov. 2015
  S. Okada, O. Aran and D. Gatica-Perez
Personality Trait Classification via Co-Occurrent Multiparty Multimodal Event Discovery
in Proc. ACM Int. Conf. on Multimodal Interaction (ICMI), Seattle, Nov. 2015
  D. Santani and D. Gatica-Perez
Loud and Trendy: Crowdsourcing Impressions of Social Ambiance in Popular Indoor Urban Places
in Proc. ACM Int. Conf. on Multimedia (ACM MM), Brave New Topics, Brisbane, Oct. 2015
  D. Santani, J. Njuguna, T. Bills, A. W. Bryant, R. Bryant, J. Ledgard, and D. Gatica-Perez
CommuniSense: Crowdsourcing Road Hazards in Nairobi
in Proc. Int. Conf. on Human-Computer Interaction with Mobile Devices and Services (MobileHCI), Copenhagen, Aug. 2015

2014
 
  J.-I. Biel and D. Gatica-Perez
Mining Crowdsourced First Impressions in Online Social Video
IEEE Trans. on Multimedia, published online Aug. 2014, Vol. 16, No. 7, pp. 2062-2074, Nov. 2014
  L. Nguyen, D. Frauendorfer, M. Schmid Mast, and D. Gatica-Perez
Hire Me: Computational Inference of Hirability in Employment Interviews based on Nonverbal Behavior
IEEE Trans. on Multimedia, published online Feb. 2014, Vol. 16, No. 4, Jun. 2014
  D. Frauendorfer, M. Schmid Mast, L. Nguyen, and D. Gatica-Perez
Nonverbal Social Sensing in Action: Unobtrusive Recording and Extracting of Nonverbal Behavior in Social Interactions Illustrated with a Research Example
Journal of Nonverbal Behavior, Vol. 38, Issue 2, pp. 231-245, Jun. 2014
  T. Do and D. Gatica-Perez
The Places of Our Lives: Visiting Patterns and Automatic Labeling from Longitudinal Smartphone Data
IEEE Trans. on Mobile Computing, published online Feb. 2013, Vol. 13, No. 3, pp. 638-648, Mar. 2014
  K. Farrahi and D. Gatica-Perez
A Probabilistic Approach to Mining Mobile Phone Data Sequences
Personal and Ubiquitous Computing, published online Feb. 2013, Vol. 18, No. 1, pp. 223-238, Jan. 2014
  D. Roggen, D. Gatica-Perez, M. Fukumoto, and K. van Laerhoven
Wearables are Here to Stay
IEEE Pervasive Computing, pp. 14-18, Jan.-Mar. 2014
  O. Aran, J.-I. Biel, and D. Gatica-Perez
Broadcasting Oneself: Visual Discovering of Vlogging Styles
IEEE Trans. on Multimedia, published online Oct. 2013, Vol. 16, No. 1, pp. 201-215, Jan. 2014
  A. Marcos-Ramiro, D. Pizzarro Perez, M. Marron-Romera, and D. Gatica-Perez
Capturing Upper Body Motion in Conversation: an Appearance Quasi-Invariant Approach
in Proc. ACM Int. Conf. on Multimodal Interaction (ICMI), Istanbul, Nov. 2014
  A. Marcos-Ramiro, D. Pizzarro Perez, M. Marron-Romera, and D. Gatica-Perez
Automatic Blinking Detection towards Stress Discovery
in Proc. ACM Int. Conf. on Multimodal Interaction (ICMI), Istanbul, Nov. 2014
  S. Ruiz-Correa, D. Santani, and D. Gatica-Perez
The Young and the City: Crowdsourcing Urban Awareness in a Developing Country
in Proc. First Int. Conf. on Internet of Things in Urban Space (Urb-IoT), Rome, Oct. 2014
  R. Hu, C. Pallan Gayol, G. Krempel, J.-M. Odobez, and D. Gatica-Perez
Automatic Maya Hieroglyph Retrieval Using Shape and Context Information
in Proc. ACM Int. Conf. on Multimedia (ACM MM), Orlando, Nov. 2014
  G. Can, J.-M. Odobez, and D. Gatica-Perez
Is That a Jaguar? Segmenting Ancient Maya Glyphs via Crowdsourcing
in Proc. ACM Int. Workshop on Crowdsourcing for Multimedia (CrowdMM), Orlando, Nov. 2014
  A. Cerekovic, O. Aran, and D. Gatica-Perez
How Do You Like Your Virtual Agent? Human-Agent Interaction Experience through Nonverbal Features and Personality Traits
in Int. Workshop on Human Behavior Understanding (HBU), Zurich, Sep. 2014
  D. Gatica-Perez, C. Pallan Gayol, S. Marchand-Maillet, J.-M. Odobez, E. Roman-Rangel, G. Krempel, and N. Grube
The MAAYA Project: Multimedia Analysis and Access for Documentation and Decipherment of Maya Epigraphy
in Proc. Digital Humanities Conference (DH), Lausanne, Jul. 2014

2013
 
  J. K. Laurila, D. Gatica-Perez, I. Aad, J. Blom, O. Bornet, T. Do, O. Dousse, J. Eberle, and M. Miettinen
From Big Smartphone Data to Worldwide Research: The Mobile Data Challenge
Pervasive and Mobile Computing, Special Issue on the Mobile Data Challenge, published online Aug. 2013, Volume 9, Issue 6, pp. 752-771, Dec. 2013
  T. Do and D. Gatica-Perez
Where and What: Using Smartphones to Predict Next Locations and Applications in Daily Life
Pervasive and Mobile Computing, published online Apr. 2013, Vol. 12, pp. 79-91, Jun. 2014
  J.-I. Biel and D. Gatica-Perez
The YouTube Lens: Crowdsourced Personality Impressions and Audiovisual Analysis of Vlogs
IEEE Trans. on Multimedia, Vol. 15, No. 1, pp. 41-55, Jan. 2013
  S. H. K. Parthasarathi, H. Bourlard, and D. Gatica-Perez
Wordless Sounds: Robust Speaker Diarization using Privacy-Preserving Audio Representations
IEEE Trans. on Audio, Speech, and Language Processing, Vol. 21, No. 1, pp. 85-98, Jan. 2013
  D. Gatica-Perez, A. Vinciarelli, and J.-M. Odobez
Nonverbal Behavior Analysis
in H. Bourlard and A. Popescu-Belis (Eds.)
Interactive Multimodal Information Management, EPFL Press, 2013 (link to the book)
  R. Negoescu and D. Gatica-Perez
Flickr Groups: Multimedia Communities for Multimedia Analysis
in X. S. Hua, M. Worring, and T.-S. Chua (Eds.),
Internet Multimedia Search and Mining, Bentham Science Publishers, 2013 (link to the book)
  J.-I. Biel, V. Tsiminaki, J. Dines, and D. Gatica-Perez
Hi YouTube! Personality Impressions and Verbal Content in Social Video
in Proc. ACM Int. Conf. on Multimodal Interaction (ICMI), Sydney, Dec. 2013.
  T. Do, K. Kalimeri, B. Lepri, F. Pianesi, and D. Gatica-Perez
Inferring Social Activities with Mobile Sensor Networks
in Proc. ACM Int. Conf. on Multimodal Interaction (ICMI), Sydney, Dec. 2013.
  L. Nguyen, A. Marcos-Ramiro, M. Marron-Romera, and D. Gatica-Perez
Multimodal Analysis of Body Communication Cues in Employment Interviews
in Proc. ACM Int. Conf. on Multimodal Interaction (ICMI), Sydney, Dec. 2013.
  O. Aran and D. Gatica-Perez
One of a Kind: Inferring Personality Impressions in Group Meetings
in Proc. ACM Int. Conf. on Multimodal Interaction (ICMI), Sydney, Dec. 2013.
  K. Funes, L. Nguyen, D. Gatica-Perez, and J.-M. Odobez
Semi-Automated System for Accurate Gaze Coding in Natural Dyadic Interactions
in Proc. ACM Int. Conf. on Multimodal Interaction (ICMI), Sydney, Dec. 2013.
  O. Aran and D. Gatica-Perez
Cross-Domain Personality Prediction: From Video Blogs to Small Group Meetings
in Proc. ACM Int. Conf. on Multimodal Interaction (ICMI), Sydney, Dec. 2013.
  D. Sanchez-Cortes, J.-I Biel, S. Kumano, J. Yamato, K. Otsuka, and D. Gatica-Perez
Inferring Mood in Ubiquitous Conversational Video
in Proc. Int. Conf. on Mobile and Ubiquitous Multimedia (MUM), Lulea, Dec. 2013
  D. Santani and D. Gatica-Perez
Speaking Swiss: Languages and Venues in Foursquare
in Proc. ACM Int. Conf. on Multimedia (MM), Barcelona, Oct. 2013
  D. Santani and D. Gatica-Perez
Revisiting the Generality of the Rank-based Human Mobility Model
in Proc. ACM Ubicomp Int. Workshop on Pervasive Urban Applications (PURBA), Zurich, Sep. 2013
  E. Malmi, T. Do, and D. Gatica-Perez
From Foursquare to my Square: Learning Check-in Behavior from Multiple Sources
in Proc. AAAI Int. Conf. on Weblogs and Social Media (ICWSM), Boston, Jul. 2013
  E. Roman-Rangel, J.-M. Odobez, and D. Gatica-Perez
Evaluating Shape Descriptors for Detection of Maya Hieroglyphs
in Proc. Mexican Conf. on Pattern Recognition (MCPR), Queretaro, Jun. 2013
  A. Marcos-Ramiro, D. Pizarro-Perez, M. Marron-Romera, L. Nguyen, and D. Gatica-Perez
Body Comunicative Cue Extraction for Conversational Analysis
in Proc. IEEE Int. Conf. on Face and Gesture Recognition (FG), Shanghai, Apr. 2013
  D. Jayagopi, S. Sheiki, D. Klotz, J. Wienke, J.-M. Odobez, S. Wrede, V. Khalidov, L. Nyugen, B. Wrede, and D. Gatica-Perez
The Vernissage Corpus: A Conversational Human-Robot-Interaction Dataset
in Proc. ACM/IEEE Int. Conf. on Human-Robot Interaction (HRI), Tokyo, Mar 2013

2012
 
  D. Sanchez-Cortes, O. Aran, D. Jayagopi, M. Schmid Mast and D. Gatica-Perez
Emergent Leaders through Looking and Speaking: From Audio-Visual Data to Multimodal Recognition
Journal on Multimodal User Interfaces, Special Issue on Multimodal Corpora, published online Aug. 2012, Vol. 7, Issue 1-2, pp. 39-53, Mar. 2013.
  D. Sanchez-Cortes, O. Aran, M. Schmid Mast and D. Gatica-Perez
A Nonverbal Behavior Approach to Identify Emergent Leaders in Small Groups
IEEE Trans. on Multimedia, Vol. 14, No. 3-2, pp. 816-832, Jun. 2012
  E. Roman-Rangel, J.-M. Odobez, and D. Gatica-Perez
Assessing Sparse Coding Methods for Contextual Shape Indexing of Maya Hieroglyphs
Journal of Multimedia, Special Issue on Multimedia for Cultural Heritage, Vol. 7, No. 2, pp. 179-192, Apr. 2012
  R. Montoliu, J. Blom, and D. Gatica-Perez
Discovering Places of Interest in Everyday Life from Smartphone Data
Multimedia Tools and Applications, published online Jan. 2012, Vol. 62, No. 1, pp. 179-207, Jan. 2013.
  D. Gatica-Perez, R. op den Akken, and D. Heylen
Multimodal Analysis of Small-Group Conversational Dynamics
in S. Renals, H. Bourlard, J. Carletta, and A. Popescu-Belis (Eds.),
Multimodal Signal Processing: Human Interactions in Meetings, Cambridge University Press, 2012 (link to the book)
  E. Malmi, T. Do, and D. Gatica-Perez
Checking In or Checked In: Comparing Large-Scale Manual and Automatic Location Disclosure Patterns
in Proc. Int. Conf. on Mobile and Ubiquitous Multimedia (MUM), Ulm, Dec. 2012
  D. Sanchez-Cortes, P. Motlicek, and D. Gatica-Perez
Assessing the Impact of Language Style on Emergent Leadership Perception from Ubiquitous Audio
in Proc. Int. Conf. on Mobile and Ubiquitous Multimedia (MUM), Ulm, Dec. 2012
  D. Jayagopi, D. Sanchez-Cortes, K. Otsuka, J. Yamato, and D. Gatica-Perez
Linking Speaking and Looking Behavioral Patterns with Group Composition, Perception, and Performance
in Proc. ACM Int. Conf. on Multimodal Interaction (ICMI), Santa Monica, Oct. 2012
  J.-I. Biel, L. Teijeiro Mosquera, and D. Gatica-Perez
FaceTube: Predicting Personality from Facial Expressions of Emotion in Online Conversational Video
in Proc. ACM Int. Conf. on Multimodal Interaction (ICMI), Santa Monica, Oct. 2012
  L. Nguyen, J.-M. Odobez, and D. Gatica-Perez
Using Self-Context for Multimodal Detection of Head Nods in Face-to-Face Interactions
in Proc. ACM Int. Conf. on Multimodal Interaction (ICMI), Santa Monica, Oct. 2012
  K. Kalimeri, B. Lepri, O. Aran, D. Jayagopi, D. Gatica-Perez, and F. Pianesi
Modeling Dominance Effects on Nonverbal Behaviors using Granger Causality
in Proc. ACM Int. Conf. on Multimodal Interaction (ICMI), Santa Monica, Oct. 2012
  H. Lu, M. Rabbi, G. Chittaranjan, D. Frauendorfer, M. Schmid Mast, A. Campbell, D. Gatica-Perez, and T. Choudhury
StressSense: Detecting Stress in Unconstrained Acoustic Environments using Smartphones
in Proc. ACM Int. Conf. on Ubiquitous Computing (Ubicomp), Pittsburgh, Sep. 2012
  T. Do and D. Gatica-Perez
Contextual Conditional Models for Smartphone-based Human Mobility Prediction
in Proc. ACM Int. Conf. on Ubiquitous Computing (Ubicomp), Pittsburgh, Sep. 2012
  K. Farrahi and D. Gatica-Perez
Extracting Mobile Behavioral Patterns with the Distant N-Gram Topic Model
in Proc. IEEE Int. Symp. on Wearable Computers (ISWC), Newcastle, Jun. 2012
  J. K. Laurila, D. Gatica-Perez, I. Aad, J. Blom, O. Bornet, T. Do, O. Dousse, J. Eberle, and M. Miettinen
The Mobile Data Challenge: Big Data for Mobile Computing Research
in Proc. Mobile Data Challenge Workshop (MDC) in conjunction with Int. Conf. on Pervasive Computing, Newcastle, Jun. 2012
  J.-I. Biel and D. Gatica-Perez
The Good, the Bad, and the Angry: Analyzing Crowdsourced Impressions of Vloggers
in Proc. AAAI Int. Conf. on Weblogs and Social Media (ICWSM), Dublin, Jun. 2012

2011
 
  G. Chittaranjan, J. Blom, and D. Gatica-Perez
Mining Large-Scale Smartphone Data for Personality Studies
Personal and Ubiquitous Computing, published online Dec. 2011, Vol. 17, Issue 3, pp. 433-450, Mar. 2013
  T. Do and D. Gatica-Perez
Human Interaction Discovery in Smartphone Proximity Networks
Personal and Ubiquitous Computing, published online Dec. 2011, Vol. 17, Issue 3, pp. 413-431, Mar. 2013
  S. H. K. Parthasarathi, D. Gatica-Perez, H. Bourlard, and M. Magimai Doss
Privacy-Sensitive Audio Features for Speech/Nonspeech Detection
IEEE Trans. on Audio, Speech, and Language Processing, Vol. 19, No. 8, pp. 2538-2551, Nov. 2011
  J.-I. Biel and D. Gatica-Perez
VlogSense: Conversational Behavior and Social Attention in YouTube
ACM Transactions on Multimedia Computing, Communications, and Applications, Special Issue on Social Media, Vol. 7S, No. 1, Oct. 2011
  E. Roman-Rangel, C. Pallan, J.-M. Odobez, and D. Gatica-Perez
Analyzing Ancient Maya Glyph Collections with Contextual Shape Descriptors
Int. Journal of Computer Vision, Special Issue on e-Heritage, Vol. 94, No. 1, pp. 101-117, Aug. 2011
  D. B. Jayagopi, T. Kim, A. Pentland and D. Gatica-Perez
Privacy-Sensitive Recognition of Group Conversational Context with Sociometers
ACM/Springer Multimedia Systems, Special Issue on Mobile and Ubiquitous Multimedia, published online Jul 2011, Vol. 18, No. 1, Feb. 2012
  H. Hung, Y. Huang, G. Friedland, and D. Gatica-Perez
Estimating Dominance In Multi-Party Meetings Using Speaker Diarization
IEEE Trans. on Audio, Speech, and Language Processing, Vol. 19, No. 4, pp. 847 - 860, May 2011
  K. Farrahi and D. Gatica-Perez
Discovering Routines from Large-Scale Human Locations using Probabilistic Topic Models
ACM Transactions on Intelligent Systems and Technology, Special Issue on Activity Recognition, Vol. 2. No. 1, 2011
  O. Aran and D. Gatica-Perez
Analysis of Group Conversations: Modeling Social Verticality
in A. Salah and T. Gevers (Eds.), Computer Analysis of Human Behavior, Springer, 2011 (link to the book)
  J. I. Biel and D. Gatica-Perez
Call Me Guru: User Categories and Large-Scale Behavior in YouTube
in S. Hoi, J. Luo, S. Boll, D. Xu, R. Jin, and I. King (Eds.), Social Media Modeling and Computing, Springer, 2011 (link to the book)
  T. Do, J. Blom, and D. Gatica-Perez
Smartphone Usage in the Wild: A Large-Scale Study of Applications and Context
in Proc. ACM Int. Conf. on Multimodal Interaction (ICMI), Alicante, Nov. 2011
  D. Sanchez-Cortes, O. Aran, and D. Gatica-Perez
An Audio Visual Corpus for Emergent Leader Analysis
in Proc. ACM Int. Conf. on Multimodal Interaction, Workshop on Multimodal Corpora for Machine Learning (ICMI-MMC), Alicante, Nov. 2011
  E. Roman Rangel, C. Pallan, J.-M. Odobez, and D. Gatica-Perez
Searching the Past: An Improved Shape Descriptor to Retrieve Maya Hieroglyphs
in Proc. ACM Int. Conf. on on Multimedia (MM), Scottsdale, Nov. 2011.
  J. Blom, D. Gatica-Perez, and N. Kiukkonen
People-Centric Mobile Sensing with a Pragmatic Twist: from Behavioral Data Points to Active User Involvement
in Proc. Int. Conf. on Human-Computer Interaction with Mobile Devices and Services (MobileHCI), Stockholm, Aug. 2011
  S. H. K. Parthasarathi, H. Bourlard, and D. Gatica-Perez
LP Residual Features for Robust, Privacy-Sensitive Speaker Diarization
in Proc. Conf. Int. Speech Communication Association (Interspeech), Florence, Aug. 2011
  J.-I. Biel, O. Aran, and D. Gatica-Perez
You Are Known by How You Vlog: Personality Impressions and Nonverbal Behavior in YouTube
in Proc. AAAI Int. Conf. on Weblogs and Social Media (ICWSM), Barcelona, Jul. 2011
  T. Do and D. Gatica-Perez
GroupUs: Smartphone Proximity Data and Human Interaction Type Mining
in Proc. IEEE Int.Symp. on Wearable Computers (ISWC), San Francisco, Jun. 2011
  G. Chittaranjan, J. Blom, and D. Gatica-Perez
Who's Who with Big-Five: Analyzing and Classifying Personality Traits with Smartphones
in Proc. IEEE Int. Symp. on Wearable Computers (ISWC), San Francisco, Jun. 2011
  A. Madan, K. Farrahi, D. Gatica-Perez, and A. Pentland
Pervasive Sensing to Model Political Opinions in Face-to-Face Networks
in Proc. Int. Conf. on Pervasive Computing (Pervasive), San Francisco, Jun. 2011
  T. Do and D. Gatica-Perez
Contextual Grouping: Discovering Real-Life Interaction Types from Longitudinal Bluetooth Data
in Proc. IEEE Int. Conf. on Mobile Data Management (MDM), Lulea, Jun. 2011
  D. Gatica-Perez, E. Roman Rangel, J.-M. Odobez, and C. Pallan
New World, New Worlds: Visual Analysis of Pre-Columbian Pictorial Collections
in Proc. Int. Workshop on Multimedia for Cultural Heritage (MM4CH), Modena, May 2011
  G. Chittaranjan, O. Aran, and D. Gatica-Perez
Exploiting Observers' Judgments for Nonverbal Group Interaction Analysis
in Proc. IEEE Int. Conf. on Automatic Face and Gesture Recognition (FG), Santa Barbara, Mar. 2011

2010
 
  D. Jayagopi and D. Gatica-Perez
Mining Group Nonverbal Conversational Patterns Using Probabilistic Topic Models
IEEE Trans. on Multimedia, Vol. 12, No. 8, pp. 790 - 802, Dec. 2010
  H. Hung and D. Gatica-Perez
Estimating Cohesion in Small Groups Using Audio-Visual Nonverbal Behavior
IEEE Trans. on Multimedia, Special Issue on Multimodal Affective Interaction, Vol. 12, No. 6, pp. 563 - 575, Oct. 2010
  R. Negoescu and D. Gatica-Perez
Modeling Flickr Communities Through Probabilistic Topic-Based Analysis
IEEE Trans. on Multimedia, Vol. 12, No. 5, pp. 399 - 416, Aug. 2010
  K. Farrahi and D. Gatica-Perez
Probabilistic Mining of Socio-Geographic Routines From Mobile Phone Data
IEEE Journal of Selected Topics in Signal Processing, Special Issue on Signal and Information Processing for Social Networks, Vol. 4, No. 4, pp. 746 - 755, Aug. 2010
  B. Raducanu and D. Gatica-Perez
Inferring Competitive Role Patterns in Reality TV through Nonverbal Analysis
Multimedia Tools and Applications, Special Issue on Social Media Mining and Search, published online Jun. 2010, Vol. 56, No. 1, Jan 2012
  D. Gatica-Perez and J.-M. Odobez
Visual Attention, Speaking Activity, and Group Conversational Analysis in Multi-Sensor Environments
In H. Nakashima, J. Augusto, H. Aghajan (Eds.), Handbook of Ambient Intelligence and Smart Environments, Springer, 2010 (link to the book)
  R. Montoliu and D. Gatica-Perez
Discovering Human Places of Interest from Multimodal Mobile Phone Data
in Proc. ACM Int. Conf. on Mobile and Ubiquitous Multimedia (MUM), Limassol, Dec. 2010
  T. Do and D. Gatica-Perez
By Their Apps You Shall Understand Them: Mining Large-Scale Patterns of Mobile Phone Usage
in Proc. ACM Int. Conf. on Mobile and Ubiquitous Multimedia (MUM), Limassol, Dec. 2010
  D. B. Jayagopi, T. Kim, A. Pentland and D. Gatica-Perez
Recognizing Conversational Context in Group Interaction using Privacy-Sensitive Mobile Sensors
in Proc. ACM Int. Conf. on Mobile and Ubiquitous Multimedia (MUM), Limassol, Dec. 2010
  J.-I. Biel and D. Gatica-Perez
Vlogcast Yourself: Nonverbal Behavior and Attention in Social Media
in Proc. Int. Conf. on Multimodal Interfaces (ICMI-MLMI), Beijing, Nov. 2010
  D. Sanchez-Cortes, O. Aran, M. Schmid Mast, and D. Gatica-Perez
Identifying Emergent Leadership in Small Groups using Nonverbal Communicative Cues
in Proc. Int. Conf. on Multimodal Interfaces (ICMI-MLMI), Beijing, Nov. 2010
  R. Negoescu, A. Loui, and D. Gatica-Perez
Kodak Moments and Flickr Diamonds: How Users Shape Large-Scale Media
in Proc. ACM Int. Conf. on Multimedia (ACM MM), Florence, Oct. 2010
  O. Aran and D. Gatica-Perez
Fusing Audio-Visual Nonverbal Cues to Detect Dominant People in Group Conversations
in Proc. Int. Conf. on Pattern Recognition (ICPR), Istanbul, Aug. 2010
  N. Kiukkonen, J. Blom, O. Dousse, D. Gatica-Perez, and J. Laurila,
Towards Rich Mobile Phone Datasets: Lausanne Data Collection Campaign
in Proc. ACM Int. Conf. on Pervasive Services (ICPS), Berlin, Jul. 2010
  K. Farrahi and D. Gatica-Perez
Mining Human Location-Routines using a Multi-Level Approach to Topic Modeling
in IEEE Int. Conference on Social Computing, Symposium on Social Intelligence and Networking (SocialCom-SIN), Minneapolis, Aug. 2010
  J.-I. Biel and D. Gatica-Perez
Voices of Vlogging
in Proc. AAAI Int. Conf. on Weblogs and Social Media (ICWSM), Washington DC, May 2010
  O. Aran, H. Hung, and D. Gatica-Perez
A Multimodal Corpus for Studying Dominance in Small Group Conversations
in Proc. LREC Workshop on Multimodal Corpora: Advances in Capturing, Coding and Analyzing Multimodality (MMC), Malta, May 2010
  S. H. K. Parthasarathi, M. Magimai-Doss, H. Bourlard, and D. Gatica-Perez
Evaluating the Robustness of Privacy-Sensitive Features for Speech Detection in Personal Audio Log Scenarios
in Proc. IEEE Int. Conf. on Acoustic, Speech, and Signal Processing (ICASSP), Dallas, Mar. 2010

2009
 
  D. Gatica-Perez
Automatic Nonverbal Analysis of Social Interaction in Small Groups: a Review
Image and Vision Computing, Special Issue on Human Behavior, Vol. 27, No. 12, Dec. 2009
  D. B. Jayagopi, H. Hung, C. Yeo, and D. Gatica-Perez
Modeling Dominance in Group Conversations from Nonverbal Activity Cues
IEEE Trans. on Audio, Speech, and Language Processing, Special Issue on Multimodal Processing for Speech-based Interactions, Vol. 17, No. 3, pp. 501-513. Mar. 2009
  F. Monay, P. Quelhas, J.-M. Odobez, and D. Gatica-Perez
Contextual Classification of Image Patches with Latent Aspect Models
EURASIP Journal of Image and Video Processing, Special Issue on Patches in Vision, Jan. 2009
  D. Gatica-Perez
Modeling Interest in Face-to-Face Conversations from Multimodal Nonverbal Behavior
In J.-P. Thiran, H. Bourlard, and F. Marques, (Eds.), Multimodal Signal Processing, Academic Press (link to the book)
  K. Farrahi and D. Gatica-Perez
Learning and Predicting Multimodal Daily Life Patterns from Cell Phones
in Proc. Int. Conf. on Multimodal Interfaces (ICMI-MLMI), Cambridge, Nov. 2009
  D. B. Jayagopi and D. Gatica-Perez
Discovering Group Nonverbal Conversational Patterns with Topics
in Proc. Int. Conf. on Multimodal Interfaces (ICMI-MLMI), Cambridge, Nov. 2009
  S. H. K. Parthasarathi, M. Magimai-Doss, H. Bourlard, and D. Gatica-Perez
Speaker Change Detection with Privacy-Preserving Audio Cues
in Proc. Int. Conf. on Multimodal Interfaces (ICMI-MLMI), Cambridge, Nov. 2009
  D. Sanchez-Cortes, D. B. Jayagopi and D. Gatica-Perez
Predicting Remote Versus Collocated Group Interactions using Nonverbal Cues
in Proc. Int. Conf. on Multimodal Interfaces, Workshop on Multimodal Sensor-Based Systems and Mobile Phones for Social Computing, Cambridge, Nov. 2009
  J.-I. Biel and D. Gatica-Perez
Wearing a YouTube Hat: Directors, Comedians, Gurus, and User Aggregated Behavior
in Proc. ACM Int. Conf. on Multimedia (MM), Beijing, Oct. 2009
  R. Negoescu, B. Adams, D. Phung, S. Venkatesh, and D. Gatica-Perez
Flickr Hypergroups
in Proc. ACM Int. Conf. on Multimedia (MM), Beijing, Oct. 2009
  N. Garg and D. Gatica-Perez
Tagging and Retrieving Images with Co-Ocurrence Models: from Corel to Flickr
in Proc. ACM Int. Conf. on Multimedia, Workshop on Large-Scale Multimedia Retrieval and Mining (LSMRM), Beijing, Oct. 2009
  E. Roman-Rangel, C. Pallan, J.-M. Odobez, and D. Gatica-Perez
Retrieving Ancient Maya Glyphs with Shape Context
in Proc. IEEE Int. Conf. on Computer Vision, Workshop on eHeritage and Digital Art Preservation, Kyoto, Oct. 2009
  S. H. K. Parthasarathi, M. Magimai-Doss, H. Bourlard, and D. Gatica-Perez
Investigating Privacy-Sensitive Features for Speech Detection in Multiparty Conversations
in Proc. Conf. of Int. Speech Communication Association (Interspeech), Brighton, Sep. 2009
  D. B. Jayagopi, B. Raducanu, and D. Gatica-Perez
Characterizing Conversational Group Dynamics using Nonverbal Behavior
in Proc. IEEE Int. Conf. on Multimedia (ICME), Cancun, Jun. 2009
  B. Raducanu, J. Vitria, and D. Gatica-Perez
You are Fired! Nonverbal Role Analysis in Competitive Meetings
in Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (ICASSP), Taiwan, Apr. 2009
2008
 
  K. Smith, S. Ba, J.-M. Odobez, and D. Gatica-Perez
Tracking the Visual Focus of Attention for a Varying Number of Wandering People
IEEE Trans. on Pattern Analysis and Machine Intelligence, Vol. 30, No. 7, pp. 1212-1229, Jul. 2008.
  K. Farrahi and D. Gatica-Perez
What Did You Do Today? Discovering Daily Routines from Large-Scale Mobile Data
in Proc. ACM Int. Conf. on Multimedia (MM), Vancouver, Oct. 2008
  R. Negoescu and D. Gatica-Perez
Topickr: Flickr Groups and Users Reloaded
in Proc. ACM Int. Conf. on Multimedia (MM), Vancouver, Oct. 2008
  D. B. Jayagopi, H. Hung, C. Yeo, and D. Gatica-Perez
Predicting the Dominant Clique in Meetings through Fusion of Nonverbal Cues
in Proc. ACM Int. Conf. on Multimedia (MM), Vancouver, Oct. 2008
  D. B. Jayagopi, S. Ba, J.-M. Odobez, and D. Gatica-Perez
Predicting Two Facets of Social Verticality in Meetings from Five-minute Time Slices and Nonverbal Cues
in Proc. Int. Conf. on Multimodal Interfaces (ICMI), Special Session on Social Signal Processing, Chania, Oct. 2008
  H. Hung, D. B. Jayagopi, S. Ba, J.-M. Odobez, and D. Gatica-Perez
Investigating Automatic Dominance Estimation in Groups from Visual Attention and Speaking Activity
in Proc. Int. Conf. on Multimodal Interfaces (ICMI), Chania, Oct. 2008
  K. Farrahi and D. Gatica-Perez
Discovering Human Routines from Cell Phone Data with Topic Models
in Proc. IEEE Int. Symposium on Wearable Computers (ISWC), Pittsburgh, Sep. 2008
  H. Hung and D. Gatica-Perez
Identifying Dominant People in Meetings from Audio-Visual Sensors
in Proc. IEEE Int. Conf. on Automatic Face and Gesture Recognition (FG), Special Session on Multi-Sensor HCI for Smart Environments, Amsterdam, Sep. 2008
  K. Farrahi and D. Gatica-Perez
Daily Routine Classification from Mobile Phone Data
in Proc. Workshop on Machine Learning and Multimodal Interaction (MLMI), Utrecht, Sep. 2008
  S. Ruiz-Correa, D. Gatica-Perez, H. J. Lin, L. G. Shapiro, and R. W. Sze
A Hierarchical Bayesian Model for Classifying Craniofacial Malformations from CT Imaging
in Proc. IEEE Int. Conf. of the Engineering in Medicine and Biology Society (EMBS), Vancouver, Aug. 2008
  R. Negoescu and D. Gatica-Perez
Analyzing Flickr Groups
in Proc. ACM Int. Conf. on Image and Video Retrieval (CIVR), Niagara Falls, Jul. 2008
  H. Hung, Y. Huang, C. Yeo, and D. Gatica-Perez
Associating Audio-Visual Activity Cues in a Dominance Estimation Framework
in Proc. IEEE Conf. on Computer Vision and Pattern Recognition, Workshop on CVPR for Human Communicative Behavior Analysis (CVPR4HB), Anchorage, Jun. 2008
  H. Hung, Y. Huang, G. Friedland, and D. Gatica-Perez
Estimating The Dominant Person In Multi-Party Conversations Using Speaker Diarization Strategies
in Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (ICASSP), Las Vegas, Mar. 2008
2007
 
  H.-K. Maganti, D. Gatica-Perez, and I. McCowan
Speech Enhancement and Recognition in Meetings with an Audio-Visual Sensor Array
IEEE Trans. on Audio, Speech, and Language Processing, Vol. 15. No. 8, pp. 2257- 2269, Nov. 2007.
  F. Monay and D. Gatica-Perez
Modeling Semantic Aspects for Cross-Media Image Retrieval
IEEE Trans. on Pattern Analysis and Machine Intelligence, Vol. 29, No. 10, pp. 1802-1817, Oct. 2007.
  P. Quelhas, F. Monay, J.-M. Odobez, D. Gatica-Perez, and T. Tuytelaars
A Thousand Words in a Scene
IEEE Trans. on Pattern Analysis and Machine Intelligence, Vol. 29, No. 9, pp. 1575-1589, Sep. 2007.
  D. Gatica-Perez, G. Lathoud, J.-M. Odobez, and I. McCowan
Audio-Visual Probabilistic Tracking of Multiple Speakers in Meetings
IEEE Trans. on Audio, Speech, and Language Processing, Vol. 15. No. 2. pp. 601-616, Feb. 2007.
  H. Hung, D. Jayagopi, C. Yeo, G. Friedland, S. Ba, J.-M. Odobez, K. Ramchandran, N. Mirghafori, and D. Gatica-Perez
Using Audio and Video Features to Classify the Most Dominant Person in a Group Meeting
in Proc. ACM Int. Conf. on Multimedia (ACM MM), Ausburg, Sep. 2007
  A. Jaimes, D. Gatica-Perez, N. Sebe, and T. Huang
Human-Centered Computing: Toward a Human Revolution
IEEE Computer, Vol. 40, No. 5, pp. 30-34, May 2007
  H.-K. Maganti, P. Motlicek, and D. Gatica-Perez
Unsupervised Speech/Non-speech Detection for Automatic Speech Recognition in Meeting Rooms
in Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (ICASSP), Honolulu, Apr. 2007
2006
 
  J.-M. Odobez, D. Gatica-Perez, and S. Ba
Embedding Motion in Model-Based Stochastic Tracking
IEEE Trans. on Image Processing, Vol. 15, No. 11, pp. 3515-3531, Nov. 2006.
  D. Zhang, D. Gatica-Perez, S. Bengio, and I. McCowan
Modeling Individual and Group Actions in Meetings With Layered HMMs
IEEE Trans. on Multimedia, Vol. 8, No. 3, pp. 509-520, Jun. 2006.
  K. Smith, S. Ba, D. Gatica-Perez, and J.-M. Odobez
Tracking the Multi-Person Wandering Visual Focus of Attention
in Proc. Int. Conf. on Multimodal Interfaces (ICMI), Banff, Nov. 2006.
  R. Rienks, D. Zhang, D. Gatica-Perez, and W. Post
Detection and Application of Influence Rankings in Small-Group Meetings
in Proc. Int. Conf. on Multimodal Interfaces (ICMI), Banff, Nov. 2006.
  H.-K. Maganti and D. Gatica-Perez
Speaker Localization for Microphone-Array-Based ASR: the Effects of Accuracy on Overlapping Speech
in Proc. Int. Conf. on Multimodal Interfaces (ICMI), Banff, Nov. 2006.
  A. Jaimes, N. Sebe, and D. Gatica-Perez
Human-Centered Computing: a Multimedia Perspective
in Proc. ACM Int. Conf. on Multimedia (MM), Special Session on Human-Centered Multimedia, Santa Barbara, Oct. 2006.
  D. Joshi and D. Gatica-Perez
Discovering Groups of People in Google News
in Proc. ACM Int. Conf. on Multimedia, Workshop on Human-Centered Multimedia (HCM), Santa Barbara, Oct. 2006.
  D. Gatica-Perez
Analyzing Group Interaction in Conversations: a Review
in Proc. IEEE Int. Conf. on Multisensor Fusion and Integration for Intelligent Systems (MFI), Special Session on Multisensor Fusion for Human-Activity Analysis, Heidelberg, Sep. 2006.
  B. Fasel and D. Gatica-Perez
Rotation-Invariant Neoperceptron
in Proc. Int. Conf. on Pattern Recognition (ICPR), Hong Kong, Aug. 2006.
  D. Zhang, D. Gatica-Perez, D. Roy, and S. Bengio
Modeling Interactions from E-Mail Communication
in Proc. IEEE Int. Conf. on Multimedia (ICME), Toronto, Jul. 2006.
  K. Smith, P. Quelhas, and D. Gatica-Perez
Detecting Abandoned Luggage Items in a Public Space
in Proc. IEEE Conf. on Computer Vision and Pattern Recognition, Workshop on Performance Evaluation of Tracking and Surveillance (CVPR-PETS), New York, Jun. 2006.
  F. Monay, P. Quelhas, J.-M. Odobez, and D. Gatica-Perez
Integrating Co-Occurrence and Spatial Contexts on Patch-Based Scene Segmentation
in Proc. IEEE Conf. on Computer Vision and Pattern Recognition, Workshop on Beyond Patches (CVPR-BP), New York, Jun. 2006.
  M. Al-Hames, T. Hain, J. Cernocky, S. Schreiber, M. Poel, R. Muller, S. Marcel, D. van Leeuwen, J. Odobez, S. Ba, H. Bourlard, F. Cardinaux, D. Gatica-Perez, A. Janin, P. Motlicek, S. Reiter, S. Renals, J. van Rest, R. Rienks, G. Rigoll, K. Smith, A. Thean, and P. Zemcik
Audio-Visual Processing in Meetings: Seven Questions and Current AMI Answers
in Proc. Workshop on Machine Learning for Multimodal Interaction (MLMI), Washington DC, May 2006.
  K. Smith, S. Schreiber, I. Potucek, V. Beran, G. Rigoll, and D. Gatica-Perez
Multi-Person Tracking in Meetings: a Comparative Study
in Proc. Workshop on Machine Learning for Multimodal Interaction (MLMI), Washington DC, May 2006, also appeared as:
2-D Multi-Person Tracking: a Comparative Study in AMI Meetings
in Proc. Workshop on Classification of Events, Activities and Relationships (CLEAR), invited paper, Southampton, Apr. 2006.
2005
 
  I. McCowan, D. Gatica-Perez, S. Bengio, G. Lathoud, M. Barnard, and D. Zhang
Automatic Analysis of Multimodal Group Actions in Meetings
IEEE Trans. on Pattern Analysis and Machine Intelligence, Vol. 27, No. 3, pp. 305-317, Mar. 2005.
  D. Zhang, D. Gatica-Perez, S. Bengio, and D. Roy
Learning Influence among Interacting Markov Chains
in Proc. Neural Information Processing Systems (NIPS), Vancouver, Dec. 2005.
  D. Gatica-Perez, D. Zhang, and S. Bengio,
Extracting Information from Multimedia Meeting Collections
in Proc. ACM Int. Conf. on Multimedia, Workshop on Multimedia Information Retrieval (ACM MM MIR), invited paper, Singapore, Nov. 2005.
  P. Quelhas, F. Monay, J.-M. Odobez, D. Gatica-Perez, T. Tuytelaars, and L. Van Gool
Modeling Scenes with Local Descriptors and Latent Aspects
in Proc. IEEE Int. Conf. on Computer Vision (ICCV), Beijing, Oct. 2005.
  D. Gatica-Perez, G. Lathoud, J.-M. Odobez, and I. McCowan
Multimodal Multispeaker Probabilistic Tracking in Meetings
in Proc. Int. Conf. on Multimodal Interfaces (ICMI), Trento, Oct. 2005
  M. Al-Hames, A. Dielmann, D. Gatica-Perez, S. Reiter, S. Renals, G. Rigoll, and D. Zhang
Multimodal Integration for Meeting Group Action Segmentation and Recognition
in Proc. Workshop on Machine Learning for Multimodal Interaction (MLMI), Edinburgh, Jul. 2005.
  I. McCowan, M. Hari-Krishna, D. Gatica-Perez, D. Moore, and S. Ba
Speech Acquisition in Meetings with an Audio-Visual Sensor Array
in Proc. IEEE Int. Conf. on Multimedia (ICME), Special Session on E-meetings and E-learning, Amsterdam, Jul. 2005.
  D. Zhang, D. Gatica-Perez, and S. Bengio
Semi-supervised Meeting Event Recognition with Adapted HMMs
in Proc. IEEE Int. Conf. on Multimedia (ICME), Amsterdam, Jul. 2005.
  K. Smith, D. Gatica-Perez, and J.-M. Odobez
Using Particles to Track Varying Numbers of Interacting People
in Proc. IEEE Conf. on Computer Vision and Pattern Recognition (CVPR), San Diego, Jun. 2005.
  D. Zhang, D. Gatica-Perez, S. Bengio, and I. McCowan
Semi-supervised Adapted HMMs for Unusual Event Detection
in Proc. IEEE Conf. on Computer Vision and Pattern Recognition (CVPR), San Diego, Jun. 2005.
  K. Smith, D. Gatica-Perez, J.-M. Odobez, and S. Ba
Evaluating Multi-Object Tracking
in Proc. IEEE Conf. on Computer Vision and Pattern Recognition, Workshop on Empirical Evaluation Methods in Computer Vision (CVPR-EEMCV), San Diego, Jun. 2005.
  D. Gatica-Perez, J.-M. Odobez, S. Ba, K. Smith, and G. Lathoud
Tracking People in Meetings with Particles
in Proc. Int. Workshop on Image Analysis for Multimedia Interactive Service (WIAMIS), invited paper, Montreux, Apr. 2005.
  D. Gatica-Perez, I. McCowan, D. Zhang, and S. Bengio
Detecting Group Interest-Level in Meetings
in Proc. IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP), Philadelphia, Mar. 2005.
  F. Monay, P. Quelhas, D. Gatica-Perez, and J.-M. Odobez
Constructing visual models with a latent space approach
in Proc. PASCAL Workshop on Subspace, Latent Structure and Feature Selection Techniques: Statistical and Optimization Perspectives, Bohinj, Slovenia, Feb. 2005..
2004
 
  F. Monay and D. Gatica-Perez
PLSA-based Image Auto-Annotation: Constraining the Latent Space
in Proc. ACM Int. Conf. on Multimedia (ACM MM), New York, Oct. 2004.
  D. Zhang, D. Gatica-Perez, S. Bengio, I. McCowan, and G. Lathoud
Multimodal Group Action Clustering in Meetings
in Proc. ACM Int. Conf. on Multimedia, Workshop on Video Surveillance and Sensor Networks (ACM MM-VSSN), New York, Oct. 2004.
  B. Fasel, F. Monay, and D. Gatica-Perez
Latent Semantic Analysis of Facial Action Codes for Automatic Facial Expression Recognition
in Proc. ACM Int. Conf. on Multimedia, Workshop on Multimedia Information Retrieval (ACM MM-MIR), New York, Oct. 2004.
  K. Smith and D. Gatica-Perez
Order Matters: a Distributed Sampling Method for Multi-Object Tracking
in Proc. British Machine Vision Conf. (BMVC), London, Sep. 2004.
  J.-M. Odobez and D. Gatica-Perez
Embedding Motion in Model-Based Stochastic Tracking
in Proc. Int. Conf. on Pattern Recognition (ICPR), Cambridge, Aug. 2004.
  D. Zhang, S. Z. Li, and D. Gatica-Perez
Real-Time Face Detection Using Boosting Learning in Hierarchical Feature Spaces
in Proc. Int. Conf. on Pattern Recognition (ICPR), Cambridge, Aug. 2004.
  D. Gatica-Perez, N. Triroj, J.-M. Odobez, A. Loui, and M.T. Sun
Assessing Scene Structuring in Consumer Videos
in Proc. Int. Conf. on Image and Video Retrieval (CIVR), Dublin, Jul. 2004.
  D. Zhang, D. Gatica-Perez, S. Bengio, I. McCowan, and G. Lathoud
Modeling Individual and Group Actions in Meetings: a Two-Layer HMM Framework
in Proc. IEEE Conf. on Computer Vision and Pattern Recognition, Workshop on Event Mining in Video (CVPR-EVENT), Washington DC, Jul. 2004.
  G. Lathoud, J.-M. Odobez, and D. Gatica-Perez
AV16.3: an Audio-Visual Corpus for Speaker Localization and Tracking
in Proc. Workshop on Machine Learning for Multimodal Interaction (MLMI), Martigny, Jun. 2004.
2003
 
  D. Gatica-Perez, A. Loui, and M.T. Sun
Finding Structure in Home Videos by Probabilistic Hierarchical Clustering
IEEE Trans. on Circuits and Systems for Video Technology, Vol. 13, No. 6, pp. 539-548, Jun. 2003.
  F. Monay and D. Gatica-Perez
On Image Auto-Annotation with Latent Space Models
in Proc. ACM Int. Conf. on Multimedia (ACM MM), Berkeley, Nov. 2003.
  I. McCowan, D. Gatica-Perez, S. Bengio, D. Moore, and H. Bourlard
Towards Computer Understanding of Human Interactions
in Proc. European Symposium on Ambient Intelligence (EUSAI), invited keynote paper, Eindhoven, Nov. 2003.
  D. Gatica-Perez, G. Lathoud, I. McCowan, and J.-M. Odobez
A Mixed-State I-Particle Filter for Multi-Camera Speaker Tracking
in Proc. IEEE Int. Conf. on Computer Vision, Workshop on Multimedia Technologies in E-Learning and Collaboration (ICCV-WOMTEC), Nice, Oct. 2003.
  D. Gatica-Perez, I. McCowan, M. Barnard, S. Bengio, and H. Bourlard
On Automatic Annotation of Meeting Databases
in Proc. IEEE Int. Conf. on Image Processing (ICIP), Special Session: From Visual Models to Semantic Visual Information Retrieval, Barcelona, Sep. 2003.
  D. Gatica-Perez, G. Lathoud, I. McCowan, J.-M. Odobez, and D. Moore
Audio-Visual Speaker Tracking with Importance Particle Filters
in Proc. IEEE Int. Conf. on Image Processing (ICIP), Barcelona, Sep. 2003.
  J.-M. Odobez, D. Gatica-Perez, and M. Guillemot
Video Shot Clustering using Spectral Methods
in Proc. Int. Workshop on Content-based Multimedia Indexing (CBMI), Rennes, Sep. 2003.
  M. Guillemot, P. Wellner, D. Gatica-Perez, and J-M.Odobez
A Hierarchical Keyframe User Interface for Browsing Video over the Internet
in Proc. Int. Conf. on Human-Computer Interaction (INTERACT), Zurich, Sep. 2003.
  J-M. Odobez, S. Ba, and D. Gatica-Perez
An Implicit Motion Likelihood for Tracking with Particle Filters
in Proc. British Machine Vision Conference (BMVC), Norwich, Sep. 2003.
  J.-M. Odobez, D. Gatica-Perez, and M. Guillemot
Spectral Structuring of Home Videos
in Proc. Int. Conf. on Image and Video Retrieval (CIVR), Urbana-Champaign, Jul. 2003.
  I. McCowan, S. Bengio, D. Gatica-Perez, G. Lathoud, F. Monay, D. Moore, P. Wellner, and H. Bourlard
Modeling Human Interaction in Meetings
in Proc. IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP), Special Session on Smart Meeting Rooms, Hong Kong, April 2003.
2002
 
  D. Gatica-Perez and M.T. Sun
Object Localization in Metric Spaces for Video Linking
in Proc. IEEE Workshop on Motion and Video Computing (WMVC). Orlando, Dec. 2002.
  D. Gatica-Perez, M.T. Sun, and A. Loui
Probabilistic Home Video Structuring: Feature Selection and Performance Evaluation
in Proc. IEEE Int. Conf. on Image Processing (ICIP), Rochester NY, Sept. 2002.
  D. Gatica-Perez and M.T. Sun
Linking Objects in Videos by Importance Sampling
in Proc. IEEE Int. Conf. on Multimedia (ICME). Lausanne, Aug. 2002.
  D. Gatica-Perez, M.T. Sun, and C. Gu
Probability Models for Connected Operators
in Proc. Int. Symposium on Mathematical Morphology (ISMM), Sydney, April 2002.
  D. Gatica-Perez, Z. Zhou, M.T. Sun, and V. Hsu
Video Object Hyper-Links for Streaming Applications
in Proc. Int. Conf. on Visual Information Systems (VISUAL), Hsin Chu, Mar. 2002.