A Robust Algorithm for Text String Separation from Mixed Text/Graphics Images
IEEE Transactions on Pattern Analysis and Machine Intelligence
Orthogonal Zig-Zag: an algorithm for vectorizing engineering drawings compared with Hough Transform
Advances in Engineering Software
Adaptive vectorization of line drawing images
Computer Vision and Image Understanding
Stable, Robust and Off-the-Shelf Methods for Graphics Recognition
ICPR '98 Proceedings of the 14th International Conference on Pattern Recognition-Volume 1 - Volume 1
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In this paper, vectorization is achieved by the recognition of architectural drawing images. To obtain vector components, an architectural drawing recognizer (ADR) is developed. The ADR recognizes line components such as main wall, dimension line and points that indicate the dimension of scanned architectural drawing images. A merging process from separately recognized line components is accomplished in order to increase the accuracy of result vectors. The recognition ratio and the vectorization of ADR is 98.3% over 9 real scanned apartment building images.