Ara es mostren els items 1-20 de 100

  • 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 ...
  • Analysis of stereo images using connected operators 

    Oliveras Vergés, Albert; Garrido Ostermann, Luis; Salembier Clairon, Philippe Jean (IEEE COMPUTER SOCIETY, 1997)
    Text en actes de congrés
    Accés obert
    Connected operators are increasingly used in image processing due to their properties of simplifying the image with various criteria, without loosing contour's information. These properties are related to the connected ...
  • Analysis of video sequences: table of content and index creation 

    Llach, J; Salembier Clairon, Philippe Jean (., 1999)
    Text en actes de congrés
    Accés obert
    This paper deals with the representation of video sequences useful for tasks such as long-term analysis, indexing or browsing. A Table Of Content and index creation algorithm is presented, as well as additional tools ...
  • Anti-extensive connected operators with application to image sequences 

    Garrido Ostermann, Luis; Salembier Clairon, Philippe Jean; Oliveras Vergés, Albert (1997)
    Comunicació de congrés
    Accés obert
    Connected operators are increasingly used in image processing They are at tractive in applications where the signal has to be simplified without loosing information about the contours A large number of simplification ...
  • Antiextensive connected operators for image and sequence processing 

    Salembier Clairon, Philippe Jean; Oliveras Vergés, Albert; Garrido Ostermann, Luis (1998-04)
    Article
    Accés obert
    This paper deals with a class of morphological operators called connected operators. These operators filter the signal by merging its flat zones. As a result, they do not create any new contours and are very attractive for ...
  • Application of error modeling at the output of maximum likelihood decoder to concatenated coded 16 PSK 

    Salembier Clairon, Philippe Jean (Institute of Electrical and Electronics Engineers (IEEE), 1989)
    Text en actes de congrés
    Accés obert
    The authors study the performance of coded 16 PSK (phase shift keying) (inner code) concatenated with a Reed-Solomon (RS) code (outer code). The overall redundancy introduced by the codes is 33% (spectral efficiency 2.7 ...
  • Arbre de partition binaire: Un nouvel outil pour la représentation hiérarchique et l’analyse des images hyperspectrales 

    Valero, Silvia; Salembier Clairon, Philippe Jean; Chanussot, Jocelyn (2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This problem discusses here is the hierarchical representation and processing of the hyperspectral imaging. In this framework, Binary Partition Trees (BPTs) are proposed as new hierarchical region-based representation. ...
  • Auto-dual connected operators based on iterative merging algorithms 

    Salembier Clairon, Philippe Jean; Garrido Ostermann, Luis; Garcia, D (Kluwer Academic Publishers, 1998)
    Text en actes de congrés
    Accés obert
    This paper proposes a new set of connected operators that are autodual. Classical connected operators are analyzed within the framework of merging algorithms. The discussion highlights three basic notions: merging order ...
  • Bilateral distance based filtering for polarimetric SAR data 

    Alonso González, Alberto; López Martínez, Carlos; Salembier Clairon, Philippe Jean; Deng, Xinping (2013-10-30)
    Article
    Accés obert
    This paper introduces a non-linear Polarimetric SAR data filtering approach able to preserve the edges and small details of the data. It is based on exploiting the data locality in both, the spatial and the polarimetric ...
  • Binary partition tree as a polarimetric SAR data representation in the space-time domain 

    Alonso González, Alberto; López Martínez, Carlos; Salembier Clairon, Philippe Jean (IEEE, 2011)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    The aim of this paper is to present a Polarimetric Synthetic Aperture Radar data processing technique on the space-time domain. This approach is based on a Binary Partition Tree (BPT), which is a region-based and multi-scale ...
  • Binary partition tree as an efficient representation for filtering, segmentation and information retreival 

    Salembier Clairon, Philippe Jean; Garrido Ostermann, Luis (Institute of Electrical and Electronics Engineers (IEEE), 1998)
    Text en actes de congrés
    Accés obert
    This paper discusses the interest of binary partition trees as shape-oriented image representations. Binary partition trees concentrate in a compact and structured representation a set of meaningful regions that can be ...
  • Binary partition tree as an efficient representation for image processing, segmentation, and information retrieval 

    Salembier Clairon, Philippe Jean; Garrido, L (2000-04)
    Article
    Accés restringit per política de l'editorial
    This paper discusses the interest of binary partition trees as a region-oriented image representation. Binary partition trees concentrate in a compact and structured representation a set of meaningful regions that can ...
  • Comparison of MPEG-7 descriptors for long term selection of reference frames 

    Ruiz Hidalgo, Javier; Salembier Clairon, Philippe Jean (2009)
    Comunicació de congrés
    Accés obert
    During the last years, the amount of multimedia content has greatly increased. This has multiplied the need of efficient compression of the content but also the ability to search, retrieve, browse, or filter it. Generally, ...
  • Connected operators based on region-tree pruning strategies 

    Salembier Clairon, Philippe Jean; Garrido Ostermann, Luis (Barcelona, 2000)
    Comunicació de congrés
    Accés obert
    This paper discusses region-based representations useful to create connected operators. The filtering approach involves three steps: 1) a region tree representation of the input image is constructed; 2) the simplification ...
  • Connected operators for sprite creation and layered representation of image sequences 

    Salembier Clairon, Philippe Jean; Pujol, O; Garrido Ostermann, Luis (1998)
    Text en actes de congrés
    Accés obert
    This paper proposes and discusses the use of motion-oriented connected operators for sprite creation. Motion-oriented connected operators are tools allowing the simplification of frames by removing objects that do not ...
  • Connected operators: A review of region-based morphological image processing techniques 

    Salembier Clairon, Philippe Jean; Wilkinson, Michael (2009-11)
    Article
    Accés obert
  • Depth estimation of frames in image sequences using motion occlusions 

    Palou Visa, Guillem; Salembier Clairon, Philippe Jean (Springer, 2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper proposes a system to depth order regions of a frame belonging to a monocular image sequence. For a given frame, re- gions are ordered according to their relative depth using the previous and following frames. ...
  • Depth order estimation for video frames using motion occlusions 

    Palou, Guillem; Salembier Clairon, Philippe Jean (2014-04-01)
    Article
    Accés restringit per política de l'editorial
    This study proposes a system to estimate the depth order of regions belonging to a monocular image sequence. For each frame, the regions are ordered according to their relative depth using information from the previous and ...
  • Depth ordering on image sequences using motion occlusions 

    Palou Visa, Guillem; Salembier Clairon, Philippe Jean (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper proposes a system to obtain the depth order of frames in image sequences using motion occlusion cues. The system first computes the forward and backward flows with the previous and next frames and estimates the ...
  • Description schemes for video program, user and devices 

    Salembier Clairon, Philippe Jean; Richard, Qian; O'Connors, N Et Al; Correia, P. (2000-09)
    Article
    Accés restringit per política de l'editorial
    This paper presents a set of description schemes (DS) dealing with video programs, users and devices. Following MPEG-7 terminology, a description of an AV document includes descriptors (termed Ds), which specify the syntax ...