The analysis of a document image to derive a symbolic description of its structure and contents involves using spatial domain knowledge to classify the different printed blocks (e.g., text paragraphs), group them into logical units (e.g., newspaper stories), and determine the reading order of the text blocks within each unit. These steps describe the conversion of the physical structure of a document into its logical structure. We have developed a computational model for document logical structure derivation, in which a rule-based control strategy utilizes the data obtained from analyzing a digitized document image, and makes inferences using a multi-level knowledge base of document layout rules. The knowledge-based document logical structure derivation system (DeLoS) based on this model consists of a hierarchical rule-based control system to guide the block classification, grouping and read-ordering operations; a global data structure to store the document image data and incremental inferences; and a domain knowledge base to encode the rules governing document layout.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Knowledge-based derivation of document logical structure


    Beteiligte:
    Niyogi, D. (Autor:in) / Srihari, S.N. (Autor:in)


    Erscheinungsdatum :

    01.01.1995


    Format / Umfang :

    545025 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Knowledge-Based Derivation of Document Logical Structure

    Niyogi, D. / Srihari, S. N. | British Library Conference Proceedings | 1995



    Document Image Understanding: Geometric and Logical Layout

    Haralick, R. M. / Institute of Electrical and Electronics Engineers; Computer Society | British Library Conference Proceedings | 1994


    Global-local-global method for logical structure extraction of form document image

    Zhao, H. / Liu, B. / Jiang, Z. et al. | British Library Online Contents | 2000


    Recursive Logical Document Structure Description Using Textons: A Generic Object-Process Analysis

    Dori, D. / Phillips, I. / Haralick, R. M. | British Library Conference Proceedings | 1995