A step towards reconstruction of 3-D CAD models from engineering drawings. - Christian Ah-Soon; Karl Tombre (ICDAR, 1995)

A Constraint Network for Symbol Detection in Architectural Drawings. - Christian Ah-Soon (GREC, 1997)

Variations on the Analysis of Architectural Drawing. - Christian Ah-Soon; Karl Tombre (ICDAR, 1997)

Design of an Integrated Environment for the Automated Analysis of Architectural Drawings. - Philippe Dosch; Christian Ah-Soon; Gérald Masini; Gemma Sánchez; Karl Tombre (Document Analysis Systems, 1998)

Stable, robust and off-the-shelf methods for graphics recognition. - Karl Tombre; Christian Ah-Soon; Philippe Dosch; Adlane Habed; Gérald Masini (ICPR, 1998)

Network-Based Recognition of Architectural Symbols. - Christian Ah-Soon; Karl Tombre (SSPR/SPR, 1998)

Analyse de plans architecturaux. (Analysis of Architectural Drawings). - Christian Ah-Soon (1998)

Stable and Robust Vectorization: How to Make the Right Choices. - Karl Tombre; Christian Ah-Soon; Philippe Dosch; Gérald Masini; Salvatore Tabbone (GREC, 1999)

A complete system for the analysis of architectural drawings. - Philippe Dosch; Karl Tombre; Christian Ah-Soon; Gérald Masini (Int. J. Document Anal. Recognit., 2000)

Architectural symbol recognition using a network of constraints. - Christian Ah-Soon; Karl Tombre (Pattern Recognit. Lett., 2001)