Interpretation of telephone system manhole drawings

Abstract We present methodologies for interpreting manhole drawings of a telephone company for information extraction. A graphics interpretation system was developed to extract the information about cables and interconnections inside the manhole and present it in a format suitable for a CAD-based system. Experimental results are shown.

[1]  Rangachar Kasturi,et al.  Detection of Dimension Sets in Engineering Drawings , 1994, IEEE Trans. Pattern Anal. Mach. Intell..

[2]  Rangachar Kasturi,et al.  A Robust Algorithm for Text String Separation from Mixed Text/Graphics Images , 1988, IEEE Trans. Pattern Anal. Mach. Intell..

[3]  Yasuaki Nakano,et al.  An algorithm for the skew normalization of document image , 1990, [1990] Proceedings. 10th International Conference on Pattern Recognition.

[4]  Henry S. Baird,et al.  The skew angle of printed documents , 1995 .

[5]  Josef Kittler,et al.  Pattern Recognition Theory and Applications , 1987, NATO ASI Series.

[6]  B. Llewellyn,et al.  A Modular System for Interpreting Binary Pixel Representations of Line-Structured Data , 1982 .