This paper presents a novel approach for recognizing and interpreting dimensions in engineering drawings. It starts by detecting potential dimension frames, each comprising only the line and text components of a dimension, then verifies them by detecting the dimension symbols. By removing the prerequisite of symbol recognition from detection of dimension sets, our method is capable of handling low quality drawings. We also propose a reconstruction algorithm for rebuilding the drawing entities based on the recognized dimension annotations. A coordinate grid structure is introduced to represent and analyze two-dimensional spatial constraints between entities; this simplifies and unifies the process of rectifying deviations of entity dimensions induced during scanning and vectorization.


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    Titel :

    Dimension recognition and geometry reconstruction in vectorization of engineering drawings


    Beteiligte:
    Feng Su, (Autor:in) / Jiqiang Song, (Autor:in) / Chiew-Lan Tai, (Autor:in) / Shijie Cai, (Autor:in)


    Erscheinungsdatum :

    01.01.2001


    Format / Umfang :

    663353 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Dimension Recognition and Geometry Reconstruction in Vectorization of Engineering Drawings

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    Segmentation and Recognition of Dimension Texts in Engineering Drawings

    Gao, J. / Tang, L. / Liu, W. et al. | British Library Conference Proceedings | 1995


    Segmentation and recognition of dimension texts in engineering drawings

    Jingbo Gao / Long Tang / Wenyin Liu et al. | IEEE | 1995


    Recognition of Dimension Sets and Integration with Vectorized Engineering Drawings

    Das, A. K. / Langrana, N. A. | British Library Conference Proceedings | 1995