Now showing items 1-20 of 56

  • 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)
    Conference report
    Open Access
    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 segmentation using a fully connected conditional random field 

    Lin, Xiao; Casas Pla, Josep Ramon; Pardàs Feliu, Montse (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Conference lecture
    Restricted access - publisher's policy
    Traditional image segmentation methods working with low level image features are usually difficult to adapt to higher level tasks, such as object recognition and scene understanding. Object segmentation emerges as a new ...
  • 3D point cloud video segmentation based on interaction analysis 

    Lin, Xiao; Casas Pla, Josep Ramon; Pardàs Feliu, Montse (Springer, 2016)
    Conference lecture
    Open Access
    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, 2016-11-24)
    Part of book or chapter of book
    Open Access
    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)
    Conference lecture
    Open Access
    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)
    Conference report
    Open Access
    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 ...
  • Active mesh coding and rate-distortion theory 

    Salembier Clairon, Philippe Jean; Martí Navarro, Eva; Pardàs Feliu, Montse (Institute of Electrical and Electronics Engineers (IEEE), 1996)
    Conference lecture
    Open Access
    This paper presents a video coding scheme for very low bit rate applications. The coding approach relies on active meshes and can be viewed as a particular case of region-based coding. The active mesh is used to efficiently ...
  • A new approach to active contours for tracking 

    Pardàs Feliu, Montse; Sayrol Clols, Elisa (Institute of Electrical and Electronics Engineers (IEEE), 2000)
    Conference report
    Open Access
    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 ...
  • Approximate partitioning of observations in hierarchical particle filter body tracking 

    López Méndez, Adolfo; Alcoverro Vidal, Marcel; Pardàs Feliu, Montse; Casas Pla, Josep Ramon (2011)
    Conference report
    Restricted access - publisher's policy
    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 ...
  • A real-time body tracking system for smart rooms 

    Alcoverro Vidal, Marcel; López Méndez, Adolfo; Casas Pla, Josep Ramon; Pardàs Feliu, Montse (2011)
    Conference report
    Restricted access - publisher's policy
    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 (IEEE, 1996)
    Conference report
    Open Access
    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 ...
  • 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
    Open Access
    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)
    Conference report
    Open Access
    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)
    Conference report
    Restricted access - publisher's policy
    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 ...
  • Depth estimation and semantic segmentation from a single RGB image using a hybrid convolutional neural network 

    Lin, Xiao; Sánchez Escobedo, Dalila; Casas Pla, Josep Ramon; Pardàs Feliu, Montse (Multidisciplinary Digital Publishing Institute (MDPI), 2019-04-15)
    Article
    Open Access
    Semantic segmentation and depth estimation are two important tasks in computer vision, and many methods have been developed to tackle them. Commonly these two tasks are addressed independently, but recently the idea of ...
  • 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)
    Conference report / Conference lecture
    Open Access
    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 ...
  • Examen Final 

    Salembier Clairon, Philippe Jean; Pardàs Feliu, Montse (Universitat Politècnica de Catalunya, 2017-01-09)
    Exam
    Restricted access to the UPC academic community
  • Examen Final 

    Gasull Llampallas, Antoni; Pardàs Feliu, Montse (Universitat Politècnica de Catalunya, 2016-06-01)
    Exam
    Restricted access to the UPC academic community
  • Extraction and tracking of the eyelids 

    Pardàs Feliu, Montse (Institute of Electrical and Electronics Engineers (IEEE), 2000)
    Conference report
    Open Access
    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 (2011)
    Conference report
    Restricted access - publisher's policy
    In this paper we present a new system for segmenting non-rigid objects in moving camera sequences for indoor and outdoor scenarios that achieves a correct object segmentation via global MAP-MRF framework formulation for ...