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Model-Based Analysis of Printed Tables

Model-Based Analysis of Printed Tables,10.1007/3-540-61226-2_8,Edward A. Green,Mukkai S. Krishnamoorthy

Model-Based Analysis of Printed Tables   (Citations: 32)
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We discuss our system of model-based analysis of printed tables. The goal of our system is to extract and associate parts of a table's image into related segments. For example, we can locate columns, rows, column and table headings of a table's image. The location of these segments are based on features of the table image and on a model of the table. This is a stepwise, top-down approach to table image analysis; thus, for example, the body of the table is located before rows or columns, or individual table cells. The algorithms we discuss involve the stepwise analysis of the image and the grouping of these segments into larger structures (columns, rows, etc.).
Conference: Graphics Recognition - GREC , pp. 80-91, 1995
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    • ...Earlier work has shown that context-free grammars can help characterize entire families of layout-equivalent printed tables [5].Unlike compiling, however, the acceptability of a P-string by the grammar is only a necessary and not a sufficient condition for the given structure to be a valid column-header...

    Sharad C. Sethet al. Analysis and taxonomy of column header categories for web tables

    • ...Context-free grammars can help to characterize entire families of layout-equivalent admissible tessellations, as first demonstrated in [17, 18, 19] and revived here in Section 3. A few such families account for the vast majority of tables encountered in books, journals, and the web...

    Ramana C. Jandhyalaet al. From Tessellations to Table Interpretation

    • ...[31], white space [78], and character distributions [51 ]a s...
    • ...Examples of systems that fit this definition include [22, 28, 31, 60, 80]...
    • ...In a series of papers [31, 32, 33], Green and Krishnamoorthy apply a compiler design approach to parsing...

    David W. Embleyet al. Table-processing paradigms: a research survey

    • ...Document image understanding generally describes the table in terms of lines and unanalysed text blocks [8]...

    Matthew Hurst. Towards a theory of tables

    • ...There have been many papers focusing on table detection (e.g., [6], [7], [8], [9], [10], [12] and the references in [3], [4], [5], to name just a few)...
    • ...Most of the existing algorithms deal with printed tables, where the detection usually starts from spotting the ruling lines and separating space [7], [10] or block segmentation [8], [12], or using some prior knowledge of layout style of the tables [6]...

    Zhouchen Linet al. Table Detection in Online Ink Notes

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