Now showing items 21-40 of 57

    • Foreground objects segmentation for moving camera scenarios based on SCGMM 

      Gallego Vila, Jaime; Pardàs Feliu, Montse; Solano, Montse (Springer, 2013-01-01)
      Part of book or chapter of book
      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 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
      Restricted access - publisher's policy
      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
      Open Access
      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
      Restricted access - publisher's policy
      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 ...
    • Hybridnet for depth estimation and semantic segmentation 

      Sánchez Escobedo, Dalila; Lin, Xiao; Casas Pla, Josep Ramon; Pardàs Feliu, Montse (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      Semantic segmentation and depth estimation are two important tasks in the area of image processing. Traditionally, these two tasks are addressed in an independent manner. However, for those applications where geometric and ...
    • 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)
      Conference report
      Open Access
      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
      Restricted access - publisher's policy
      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 ...
    • Morphological operators for image and video compression 

      Salembier Clairon, Philippe Jean; Brigger, P; Casas Pla, Josep Ramon; Pardàs Feliu, Montse (1996-06)
      Article
      Open Access
      This paper deals with the use of some morphological tools for image and video coding. Mathematical morphology can be considered as a shape-oriented approach to signal processing, and some of its features make it very useful ...
    • Motion region overlapping for segmentation-based video coding 

      Pardàs Feliu, Montse; Salembier Clairon, Philippe Jean; Gonzalez, Benito (. S.N., 1994)
      Conference report
      Open Access
      In object-based video coding systems, the scenes are described in terms of three dimensional objects, which can be coded as textures and contours. However, in order to achieve high compression ratios, the redundancy in the ...
    • Multi-camera multi-object voxel-based Monte Carlo 3D tracking strategies 

      Canton Ferrer, Cristian; Casas Pla, Josep Ramon; Pardàs Feliu, Montse; Monte Moreno, Enrique (HINDAWI, 2011-11-23)
      Article
      Open Access
      This article presents a new approach to the problem of simultaneous tracking of several people in low-resolution sequences from multiple calibrated cameras. Redundancy among cameras is exploited to generate a discrete 3D ...
    • Multi-person tracking strategies based on voxel analysis 

      Canton Ferrer, Cristian; Salvador Marcos, Jordi; Casas Pla, Josep Ramon; Pardàs Feliu, Montse (2008-06)
      Article
      Restricted access - publisher's policy
      This paper presents two approaches to the problem of simultaneous tracking of several people in low resolution sequences from multiple calibrated cameras. Spatial redundancy is exploited to generate a discrete 3D binary ...
    • Multiview foreground segmentation using 3D probabilistic model 

      Gallego Vila, Jaime; Pardàs Feliu, Montse (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference lecture
      Restricted access - publisher's policy
      We propose a complete multi-view foreground segmentation and 3D reconstruction system that defines a 3-dimensional probabilistic model to model the foreground object in the 3 spatial dimensions, thus gathering the information ...
    • Object-based image coding 

      Pardàs Feliu, Montse (1997-03)
      Article
      Restricted access - publisher's policy
      Object-based compression methods describe images in terms of a set of regions (a partition), and of some information for each region to be used by the receiver to reconstruct the image (its texture). Different techniques ...
    • One shot learning for generic instance segmentation in RGBD videos 

      Lin, Xiao; Casas Pla, Josep Ramon; Pardàs Feliu, Montse (Scitepress, 2019)
      Conference report
      Open Access
      Hand-crafted features employed in classical generic instance segmentation methods have limited discriminative power to distinguish different objects in the scene, while Convolutional Neural Networks (CNNs) based semantic ...
    • Partition tree for a segmentation-based video coding system 

      Pardàs Feliu, Montse; Salembier Clairon, Philippe Jean; Marqués Acosta, Fernando; Morros, R (Institute of Electrical and Electronics Engineers (IEEE), 1996)
      Conference report
      Open Access
      In this paper we describe a very low bit rate video coding system that belongs to the class of object based coding systems. The system takes advantage of homogeneity in both gray level and motion, trying to use the most ...
    • Real-time 3D multi-person tracking using Monte Carlo surface sampling 

      Canton Ferrer, Cristian; Casas Pla, Josep Ramon; Pardàs Feliu, Montse (2010)
      Conference report
      Open Access
      The current paper presents a low-complexity approach to the problem of simultaneous tracking of several people in low resolution sequences from multiple calibrated cameras. Redundancy among cameras is exploited to ...
    • Real-time upper body tracking with online initialization using a range sensor 

      López Méndez, Adolfo; Alcoverro Vidal, Marcel; Pardàs Feliu, Montse; Casas Pla, Josep Ramon (2011)
      Conference report
      Restricted access - publisher's policy
      We present a novel method for upper body pose estimation with online initialization of pose and the anthropometric profile. Our method is based on a Hierarchical Particle Filter that defines its likelihood function with ...
    • Real-time user independent hand gesture recognition from time-of-flight camera video using static and dynamic models 

      Molina, Javier; Escudero-Viñolo, Marcos; Bescós Cano, Jesús; Signorelo, Alessandro; Pardàs Feliu, Montse; Ferran, Christian; Marqués Acosta, Fernando; Martínez, José Maria (2011-08-06)
      Article
      Restricted access - publisher's policy
      The use of hand gestures offers an alternative to the commonly used human computer interfaces, providing a more intuitive way of navigating among menus and multimedia applications. This paper presents a system for hand ...
    • Recent Trends in Video Sequence Analysis 

      Garrido Ostermann, Luis; Marqués Acosta, Fernando; Pardàs Feliu, Montse; Salembier Clairon, Philippe Jean; Vilaplana Besler, Verónica (B. Macq, 1997)
      Conference report
      Open Access
      This paper reviews and analyses the problems facing video classification. It investigates how the semantic gap can be bridged. It presents a new taxonomy for video calssifaction based on a lituture survey. It conclueds ...
    • Refinement network for unsupervised on the scene foreground segmentation 

      Pardàs Feliu, Montse; Canet Tarrés, Gemma (European Association for Signal Processing (EURASIP), 2020)
      Conference report
      Open Access
      Unsupervised learning represents one of the most interesting challenges in computer vision today. The task has an immense practical value with many applications in artificial intelligence and emerging technologies, as large ...