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Showing 1-12 of 12 results
  1. Conference paper

    A Convolutional Recurrent Neural Network for the Handwritten Text Recognition of Historical Greek Manuscripts

    In this paper, a Convolutional Recurrent Neural Network architecture for offline handwriting recognition is proposed. Specifically, a Convolutional...
    K. Markou, L. Tsochatzidis, ... I. Pratikakis in Pattern Recognition. ICPR International Workshops and Challenges
    2021
  2. Article

    A word spotting framework for historical machine-printed documents

    In this paper, we propose a word spotting framework for accessing the content of historical machine-printed documents without the use of an optical...

    A. L. Kesidis, E. Galiotou, ... I. Pratikakis in International Journal on Document Analysis and Recognition (IJDAR)
    17 November 2010
  3. Article

    DIBCO 2009: document image binarization contest

    DIBCO 2009 is the first International Document Image Binarization Contest organized in the context of ICDAR 2009 conference. The general objective of...

    B. Gatos, K. Ntirogiannis, I. Pratikakis in International Journal on Document Analysis and Recognition (IJDAR)
    13 May 2010
  4. Article

    Scale Selection for Compact Scale-Space Representation of Vector-Valued Images

    This paper investigates the scale selection problem for nonlinear diffusion scale-spaces. This topic comprises the notions of localization scale...

    I. Vanhamel, C. Mihai, ... I. Pratikakis in International Journal of Computer Vision
    31 July 2008
  5. Article

    Keyword-guided word spotting in historical printed documents using synthetic data and user feedback

    In this paper, we propose a novel technique for word spotting in historical printed documents combining synthetic data and user feedback. Our aim is...

    T. Konidaris, B. Gatos, ... S. J. Perantonis in International Journal of Document Analysis and Recognition (IJDAR)
    10 March 2007
  6. Article

    An old greek handwritten OCR system based on an efficient segmentation-free approach

    Recognition of Old Greek Early Christian manuscripts is essential for efficient content exploitation of the valuable Old Greek Early Christian...

    K. Ntzios, B. Gatos, ... S. J. Perantonis in International Journal of Document Analysis and Recognition (IJDAR)
    24 January 2007
  7. Article

    An efficient segmentation-free approach to assist old Greek handwritten manuscript OCR

    Recognition of old Greek manuscripts is essential for quick and efficient content exploitation of the valuable old Greek historical collections. In...

    B. Gatos, K. Ntzios, ... S. J. Perantonis in Pattern Analysis and Applications
    08 November 2005
  8. Conference paper

    Knowledge Acquisition from Multimedia Content using an Evolution Framework

    We propose an approach to knowledge acquisition, which uses multimedia ontologies for fused extraction of semantics from multiple modalities, and...
    D. Kosmopoulos, S. Petridis, ... G. Paliouras in Artificial Intelligence Applications and Innovations
    2006
  9. Conference paper

    Watershed-Driven Region-Based Image Retrieval

    This paper presents a strategy for content-based image retrieval. It is based on a meaningful segmentation procedure that can provide proper...
    I. Pratikakis, I. Vanhamel, ... S. Perantonis in Mathematical Morphology: 40 Years On
    2005
  10. Chapter

    Automatic Watershed Segmentation of Color Images

    This paper presents a fully automatic watershed color segmentation scheme which is an extension to color images of a previously reported approach...
    2002
  11. Article

    Using Landmarks to Establish a Point-to-Point Correspondence between Signatures

    This paper introduces a new approach for point-to-point correspondence finding, which can be used as pre-processing stage of a handwritten signature...

    K. Zhang, I. Pratikakis, ... E. Nyssen in Pattern Analysis & Applications
    01 February 2000
  12. Chapter

    Watershed Analysis and Relaxation Labelling: A cooperative approach for the interpretation of Cranial-MR images using a Statistical Digital Atlas

    The aim of the present work is to provide a probabilistic framework for the segmentation/labelling of images, exploiting a priori knowledge...
    1996
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