Interactive interpretation of structured documents: Application to the recognition of handwritten architectural plans

Abstract : This paper addresses a whole architecture, including the IMISketch method. IMISketch method incorporates two aspects: document analysis and interactivity. This paper describes a global vision of all the parts of the project. IMISketch is a generic method for an interactive interpretation of handwritten sketches. The analysis of complex documents requires the management of uncertainty. While, in practice the similar methods often induce a large combinatorics, IMISketch method presents several optimization strategies to reduce the combinatorics. The goal of these optimizations is to have a time analysis compatible with user expectations. The decision process is able to solicit the user in the case of strong ambiguity: when it is not sure to make the right decision, the user explicitly validates the right decision to avoid a fastidious a posteriori verification phase due to propagation of errors. This interaction requires solving two major problems: how interpretation results will be presented to the user, and how the user will interact with analysis process. We propose to study the effects of those two aspects. The experiments demonstrate that (i) a progressive presentation of the analysis results, (ii) user interventions during it and (iii) the user solicitation by the analysis process are an efficient strategy for the recognition of complex off-line documents. To validate this interactive analysis method, several experiments are reported on off-line handwritten 2D architectural floor plans.
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Pattern Recognition, Elsevier, 2015, 48 (8), 〈10.1016/j.patcog.2015.01.028〉
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Achraf Ghorbel, Aurélie Lemaitre, Eric Anquetil, Sylvain Fleury, Eric Jamet. Interactive interpretation of structured documents: Application to the recognition of handwritten architectural plans. Pattern Recognition, Elsevier, 2015, 48 (8), 〈10.1016/j.patcog.2015.01.028〉. 〈hal-01238056〉

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