Ara es mostren els items 1-20 de 47

  • 3D human action recognition in multiple view scenarios 

    Canton Ferrer, Cristian; Casas Pla, Josep Ramon; Pardàs Feliu, Montse; Sargin, M E; Tekalp, A M (Universitat Politècnica de Catalunya (UPC), 2006)
    Text en actes de congrés
    Accés obert
    This paper presents a novel view-independent approach to the recognition of human gestures of several people in low resolution sequences from multiple calibrated cameras. In contraposition with other multi-ocular ...
  • 3D point cloud video segmentation based on interaction analysis 

    Lin, Xiao; Casas Pla, Josep Ramon; Pardàs Feliu, Montse (Springer, 2016-11-24)
    Capítol de llibre
    Accés restringit per política de l'editorial
    Given the widespread availability of point cloud data from consumer depth sensors, 3D segmentation becomes a promising building block for high level applications such as scene understanding and interaction analysis. It ...
  • 3D point cloud video segmentation based on interaction analysis 

    Lin, Xiao; Casas Pla, Josep Ramon; Pardàs Feliu, Montse (Springer, 2016)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    Given the widespread availability of point cloud data from consumer depth sensors, 3D segmentation becomes a promising building block for high level applications such as scene understanding and interaction analysis. It ...
  • 3D point cloud video segmentation oriented to the analysis of interactions 

    Lin, Xiao; Casas Pla, Josep Ramon; Pardàs Feliu, Montse (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Comunicació de congrés
    Accés obert
    Given the widespread availability of point cloud data from consumer depth sensors, 3D point cloud segmentation becomes a promising building block for high level applications such as scene understanding and interaction ...
  • 3D shape from multi-camera views by error projection minimization 

    Haro, Gloria; Pardàs Feliu, Montse (2010)
    Text en actes de congrés
    Accés obert
    Traditional shape from silhouette methods compute the 3D shape as the intersection of the back-projected silhouettes in the 3D space, the so called visual hull. However, silhouettes that have been obtained with background ...
  • A new approach to active contours for tracking 

    Pardàs Feliu, Montse; Sayrol Clols, Elisa (Institute of Electrical and Electronics Engineers (IEEE), 2000)
    Text en actes de congrés
    Accés obert
    This paper addresses the application of active contours or snakes for robust tracking of contours. Conventional snake approaches to tracking initialize the current frame snake with the snake obtained in the previous frame ...
  • A real-time body tracking system for smart rooms 

    Alcoverro Vidal, Marcel; López Méndez, Adolfo; Casas Pla, Josep Ramon; Pardàs Feliu, Montse (2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    We present a real-time human body tracking system for a single user in a Smart Room scenario. In this paper we propose a novel system that involves a silhouette-based cost function using variable windows, a hierarchical ...
  • A segmentation-based coding system allowing manipulation of objects (sesame) 

    Marqués Acosta, Fernando; Salembier Clairon, Philippe Jean; Pardàs Feliu, Montse; Marcotegui Iturmendi, Beatriz (?, 1996)
    Text en actes de congrés
    Accés obert
    We present a coding scheme that achieves, for each image in the sequence, the best segmentation in terms of rate-distortion theory. It is obtained from a set of initial regions and a set of available coding techniques. The ...
  • Approximate partitioning of observations in hierarchical particle filter body tracking 

    López Méndez, Adolfo; Alcoverro Vidal, Marcel; Pardàs Feliu, Montse; Casas Pla, Josep Ramon (2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper presents a model-based hierarchical particle filtering algorithm to estimate the pose and anthropometric parameters of humans in multi-view environments. Our method incorporates a novel likelihood measurement ...
  • Audiovisual head orientation estimation with particle filtering in multisensor scenarios 

    Canton Ferrer, Cristian; Segura Perales, Carlos; Casas Pla, Josep Ramon; Pardàs Feliu, Montse; Hernando Pericás, Francisco Javier (2008-01)
    Article
    Accés obert
    This article presents a multimodal approach to head pose estimation of individuals in environments equipped with multiple cameras and microphones, such as SmartRooms or automatic video conferencing. Determining the individuals ...
  • Bayesian foreground segmentation and tracking using pixel-wise background model and region-based foreground model 

    Gallego Vila, Jaime; Pardàs Feliu, Montse; Haro, Gloria (IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
    Text en actes de congrés
    Accés obert
    In this paper we present a segmentation system for monocular video sequences with static camera that aims at foreground/ background separation and tracking. We propose to combine a simple pixel-wise model for the background ...
  • Connected Operators on 3D data for human body analysis 

    Alcoverro Vidal, Marcel; López Méndez, Adolfo; Pardàs Feliu, Montse; Casas Pla, Josep Ramon (2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper presents a novel method for filtering and extraction of human body features from 3D data, either from multi-view images or range sensors. The proposed algorithm consists in processing the geodesic distances on ...
  • Elaboració de materials transversals per a l'aprenentatge actiu de les matèries de processat d'imatge i vídeo pels graus de sistemes audiovisuals i de telecomunicacions 

    Vilaplana Besler, Verónica; Casas Pla, Josep Ramon; Gasull Llampallas, Antoni; Marqués Acosta, Fernando; Morros Rubió, Josep Ramon; Pardàs Feliu, Montse; Ruiz Hidalgo, Javier; Salembier Clairon, Philippe Jean (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2013-02-08)
    Text en actes de congrés / Comunicació de congrés
    Accés obert
    La finalitat del projecte ha estat promoure la col·laboració i coordinació entre les diverses assignatures de processat d'imatge i vídeo impartides per professors del Departament de TSC, als graus de telecomunicacions ...
  • Extraction and tracking of the eyelids 

    Pardàs Feliu, Montse (Institute of Electrical and Electronics Engineers (IEEE), 2000)
    Text en actes de congrés
    Accés obert
    Facial analysis is used in a number of applications like face recognition systems, human-computer interaction through head movements or facial expressions, or model based coding. In all these applications a very precise ...
  • Foreground objects segmentation for moving camera scenarios based on SCGMM 

    Gallego Vila, Jaime; Pardàs Feliu, Montse; Solano, Montse (Springer, 2013-01-01)
    Capítol de llibre
    Accés restringit per política de l'editorial
    In this paper we present a new system for segmenting non-rigid objects in moving camera sequences for indoor and outdoor sce narios that achieves a correct object segmentation via global MAP-MRF framework formulation for ...
  • General requirements for coding oriented segmentation of video-sequences 

    Marqués Acosta, Fernando; Pardàs Feliu, Montse; Salembier Clairon, Philippe Jean; Meyer, F (1997-08)
    Article
    Accés restringit per política de l'editorial
    This paper deals with the basic requirements that should be fulfilledby a technique for segmenting video sequences in coding applications. The specific problems of coding-oriented video segmentation are analyzed. This way ...
  • Hierarchical morphological segmentation for image sequence coding 

    Salembier Clairon, Philippe Jean; Pardàs Feliu, Montse (1994-09)
    Article
    Accés obert
    This paper deals with a hierarchical morphological segmentation algorithm for image sequence coding. Mathematical morphology is very attractive for this purpose because it efficiently deals with geometrical features such ...
  • Human motion capture using scalable body models 

    Canton Ferrer, Cristian; Casas Pla, Josep Ramon; Pardàs Feliu, Montse (2011-10)
    Article
    Accés restringit per política de l'editorial
    This paper presents a general analysis framework towards exploiting the underlying hierarchical and scalable structure of an articulated object for pose estimation and tracking. Scalable human body models are introduced ...
  • Materials transversals per a l'aprenentatge actiu de les matèries de processat d'imatge i vídeo 

    Morros Rubió, Josep Ramon; Vilaplana Besler, Verónica; Ruiz Hidalgo, Javier; Casas Pla, Josep Ramon; Gasull Llampallas, Antoni; Marqués Acosta, Fernando; Pardàs Feliu, Montse; Salembier Clairon, Philippe Jean (2014)
    Text en actes de congrés
    Accés obert
    Aquest treball vol promoure la col·laboració i coordinació entre assignatures de processat d'imatge/vídeo amb l’objectiu de potenciar els resultats en l'aprenentatge. Les principals contribucions son a) la creació d’un ...
  • Model-based hand gesture tracking in ToF image sequences 

    Gudmundsson, Sigurjon; Sveinsson, Johannes; Pardàs Feliu, Montse; Aanaes, Henrik; Larsen, Ramus (2010-07)
    Article
    Accés restringit per política de l'editorial
    This paper presents a Time-of-Flight (ToF) camera based system for hand motion and gesture tracking. A 27 degree of freedom (DOF) hand model is constructed and fleshed out by ellipsoids. This allows the synthesis of range ...