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Ara es mostren els items 104-123 de 123

    • Segmentation and tracking of video objects for a content-based video indexing context 

      Maziere, M; Chassaing, F; Garrido Ostermann, Luis; Salembier Clairon, Philippe Jean (Institute of Electrical and Electronics Engineers (IEEE), 2000)
      Text en actes de congrés
      Accés obert
      This paper examines the problem of segmentation and tracking of video objects for content-based information retrieval. Segmentation and tracking of video objects plays an important role in index creation and user request ...

    • Segmentation hyperspectrale de forets tropicales par arbres de partition binaires 

      Tochon, Guillaume; Feret, J.B.; Valero, Silvia; Martin, R.E.; Tupayachi, R.; Chanussot, Jocelyn; Salembier Clairon, Philippe Jean; Asner, G.P. (2013-05-01)
      Article
      Accés restringit per política de l'editorial
      La segmentation d’images de forêts tropicales est un outil important pour faciliter le travail des écologues. Dans ce papier, nous proposons une nouvelle méthode de segmentation pour les images hyperspectrales, basée sur ...

    • Segmentation of video sequences and rate control 

      Marcotegui Iturmendi, Beatriz; Marqués Acosta, Fernando; Morros Rubió, Josep Ramon; Pardàs Feliu, Montse; Salembier Clairon, Philippe Jean (1997-08)
      Article
      Accés obert
      This paper deals with the relation between segmentation for coding and rate control. The efficiency of a segmentation-based coding scheme heavily relies on this step that defines how many and which regions have to be ...

    • Segmentation of video sequences for partition tree generation 

      Pardàs Feliu, Montse; Salembier Clairon, Philippe Jean (1997-07)
      Article
      Accés restringit per política de l'editorial
      In this paper we propose a segmentation structure to generate a partition tree with multiple partition proposals. These multiple partitions are obtained for every image in a hierarchical way, from the coarsest one to the ...

    • Segmentation-based video coding system allowing the manipulation of objects 

      Salembier Clairon, Philippe Jean; Marqués Acosta, Fernando; Pardàs Feliu, Montse; Morros Rubió, Josep Ramon; Corset, I; Jeannin, S; Bouchard, L; Meyer, F; Marcotegui Iturmendi, Beatriz (1997-02)
      Article
      Accés obert
      This paper presents a generic video coding algorithm allowing the content-based manipulation of objects. This manipulation is possible thanks to the definition of a spatiotemporal segmentation of the sequences. The coding ...

    • Segmentation-based video coding:temporals links 

      Salembier Clairon, Philippe Jean; Marqués Acosta, Fernando; Pardàs Feliu, Montse (1996)
      Text en actes de congrés
      Accés obert
      This paper analyzes the main elements that a segmentation-based video coding approach should be based on so that it can address coding efficiency and content-based functionalities. Such elements can be defined as temporal ...

    • Ship detection in SAR images based on Maxtree representation and graph signal processing 

      Salembier Clairon, Philippe Jean; Liesegang Maria, Sergi; López Martínez, Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2018-01-01)
      Article
      Accés obert
      This paper discusses an image processing architecture and tools to address the problem of ship detection in synthetic-aperture radar images. The detection strategy relies on a tree-based representation of images, here a ...

    • Stereo image analysis using connected operators 

      Oliveras Vergés, Albert; Salembier Clairon, Philippe Jean; Garrido Ostermann, Luis (IEEE IEEE, 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 ...

    • Stromal tissue segmentation in Ki67 histology images based on cytokeratin-19 stain translation 

      Pardàs Feliu, Montse; Anglada Rotger, David; Espina Boronat, Maria; Marqués Acosta, Fernando; Salembier Clairon, Philippe Jean (2023-06-23)
      Article
      Accés obert
      Purpose: The diagnosis and prognosis of breast cancer relies on histopathology image analysis. In this context, proliferation markers, especially Ki67, are increasingly important. The diagnosis using these markers is ...

    • Study of Binary Partition Tree pruning techniques for Polarimetric SAR images 

      Salembier Clairon, Philippe Jean (Springer, 2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper investigates several pruning techniques applied on Binary Partition Trees (BPTs) and their usefulness for low-level processing of PolSAR images. BPTs group pixels to form homogeneous regions, which are hierarchically ...

    • Study of normalization and aggregation approaches for consensus network estimation 

      Bellot Pujalte, Pau; Salembier Clairon, Philippe Jean; Oliveras Vergés, Albert; Meyer, Patrick (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
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      Inferring gene regulatory networks from expression data is a very difficult problem that has raised the interest of the scientific community. Different algorithms have been proposed to try to solve this issue, but it has ...

    • Study on nonlocal morphological operators 

      Salembier Clairon, Philippe Jean (IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
      Text en actes de congrés
      Accés obert
      This paper studies nonlocal morphological operators. Following the strategy proposed for the Nonlocal means filter, these operators are based on a local and adaptive definition of the structuring element which is specified ...

    • Temporal PolSAR image series exploitation with binary partition trees 

      Alonso González, Alberto; López Martínez, Carlos; Salembier Clairon, Philippe Jean (IEEE, 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper, the processing of temporal PolSAR image series is addressed through a region-based and multi-scale data representation, the Binary Partition Tree (BPT). This structure contains useful information related ...

    • The DICEMAN description schemes for still images and video sequences 

      O'Connor, Noel; Salembier Clairon, Philippe Jean; Correia, P. (HHI, 1999)
      Text en actes de congrés
      Accés obert
      To address the problem of visual content description, two Description Schemes (DSs) developed within the context of a European ACTS project known as DICEMAN, are presented. The DSs, designed based on an analogy with ...

    • Time-recursive segmentation of image sequences 

      Pardàs Feliu, Montse; Salembier Clairon, Philippe Jean (M.J.J. HOLT. EURASIP., 1994)
      Text en actes de congrés
      Accés obert

    • Unbiased group-wise alignment by iterative central tendency estimations 

      Craene, Mathieu de; Macq, Benoit; Marqués Acosta, Fernando; Salembier Clairon, Philippe Jean; Warfield, Simon (2008-12)
      Article
      Accés obert
      This paper introduces a new approach for the joint alignment of a large collection of segmented images into the same system of coordinates while estimating at the same time an optimal common coordinate system. The atlas ...

    • Unsupervised GRN Ensemble 

      Bellot, Pau; Salembier Clairon, Philippe Jean; Pham, Ngoc C.; Meyer, Patrick E. (Springer, 2019)
      Capítol de llibre
      Accés restringit per política de l'editorial
      Inferring gene regulatory networks from expression data is a very challenging problem that has raised the interest of the scientific community. Different algorithms have been proposed to try to solve this issue, but it has ...

    • Unsupervised morphological segmentation for images 

      Salembier Clairon, Philippe Jean (. IEEE, 1993)
      Text en actes de congrés
      Accés obert
      This paper deals with a morphological approach to unsupervised image segmentation. The proposed technique relies on a multiscale Top-Down approach allowing a hierarchical processing of the data ranging from the most global ...

    • Variable local weight filtering for PolSAR data speckle noise reduction 

      Alonso González, Alberto; López Martínez, Carlos; Salembier Clairon, Philippe Jean (IEEE, 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents a Polarimetric SAR data speckle filtering technique, based on a combined filtering in the spatial and polarimetric domains. It is based on a bilateral filtering employing distance measures over these ...

    • Visual segment tree creation for MPEG-7 description schemes 

      Salembier Clairon, Philippe Jean; Llach, J; Garrido Ostermann, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2000)
      Text en actes de congrés
      Accés obert
      The paper deals with the creation of visual segment trees involved in MPEG-7 description schemes. After a brief overview of MPEG-7 description schemes in general and of the Segment Description Scheme in particular, tools ...