Segmentation and Recognition of Dimensioning Text from Engineering Drawings

Computer Vision and Image Understanding

Volumn 69, Issue 2, 1998, Pages 196-201

  Dori, Dov ^a   Velkovitch, Yelena ^a  

^a TECHNION ISRAEL INSTITUTE OF TECHNOLOGY   (Israel)

Author keywords

CAD conversion; Engineering drawing understanding; Optical character recognition; Text segmentation; Text graphics association; Text graphics separation

Indexed keywords

ALGORITHMS; COMPUTER AIDED DESIGN; DRAWING (GRAPHICS); FEATURE EXTRACTION; IMAGE SEGMENTATION; IMAGE UNDERSTANDING; NEURAL NETWORKS; OPTICAL CHARACTER RECOGNITION; STANDARDS;

ENGINEERING DRAWING; LOGICAL TEXTBOXES; TEXT GRAPHICS ASSOCIATION; TEXT GRAPHICS SEPARATION; VECTORIZATION;

COMPUTER VISION;

EID: 0031998321     PISSN: 10773142     EISSN: None     Source Type: Journal    
DOI: 10.1006/cviu.1997.0585     Document Type: Article

References (10)

1. D. Dori and K. Tombre, From engineering drawings to 3D CAD Models: Are we ready now? Comput. Aided Des. 27(4), 1995, 243-254.
2. L. A. Fletcher and R. Kasturi, A robust algorithm for textbox string separation from mixed text/graphics images, IEEE Transactions on Pattern Analysis and Machine Intelligence - T-PAMI 10(G), 1988, 900-918.
3. C. P. Lay and R. Kasturi, Detection of dimension sets in engineering drawings, IEEE Transactions on Pattern Analysis and Machine Intelligence - T-PAMI 16(8), 1994, 848-854.
4. Ian Chai and Dov Dori, Extraction of text boxes from engineering drawings, Proc. Society of Photo-Optical Instrumentation Engineers SPIE 1661, 1992, 38-49.
5. D. Dori, Y. Liang, J. Dowell, and I. Chai, Sparse-pixel recognition of primitives in engineering drawings, Machine Vision and Applications 6, 1993, 69-82.
6. Dimensioning and Tolerancing, The American Society of Mechanical Engineers, New York, 1983 [ANSI Y14.5M-1982]
7. P. Baffes, NETS - Neural Network Simulator, Software Technology Branch NASA, Johnson Space Center, [ftp from ftp.technion.ac.il/pub/unsupported/dos/simtel/neurlnet/nasanets.zip]
8. D. Dori, Representing pattern recognition-embedded systems through object-process diagrams: the case of the machine drawing understanding system, Pattern Recognition Letters 16(4), 1995, 377-384.
9. D. Dori, Arc segmentation in the machine drawing understanding environment, IEEE Transactions on Pattern Analysis and Machine Intelligence - T-PAMI 17(11), 1995, 1057-1068.
10. D. Dori and L. Wenyin, Vector-based segmentation of text connected to graphics in engineering drawing, in Advances in Structural and Syntactic Pattern Recognition (P. Perner, P. Wang, and A. Rozenfeld, Eds.), pp. 322-331. Springer-Verlag, New York/Berlin, 1996. [Lecture Notes in Computer Science, Vol. 1121]