Now showing items 1-20 of 118

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

      Oliveras Vergés, Albert; Garrido Ostermann, Luis; Salembier Clairon, Philippe Jean (IEEE COMPUTER SOCIETY, 1997)
      Conference report
      Open Access
      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)
      Conference report
      Open Access
      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)
      Conference lecture
      Open Access
      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
      Open Access
      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)
      Conference report
      Open Access
      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)
      Conference report
      Restricted access - publisher's policy
      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)
      Conference report
      Open Access
      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
      Open Access
      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)
      Conference lecture
      Restricted access - publisher's policy
      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)
      Conference report
      Open Access
      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
      Restricted access - publisher's policy
      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)
      Conference lecture
      Open Access
      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)
      Conference lecture
      Open Access
      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)
      Conference report
      Open Access
      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
      Open Access
    • Depth estimation of frames in image sequences using motion occlusions 

      Palou Visa, Guillem; Salembier Clairon, Philippe Jean (Springer, 2012)
      Conference report
      Restricted access - publisher's policy
      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
      Restricted access - publisher's policy
      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)
      Conference report
      Restricted access - publisher's policy
      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 ...