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Unsupervised wall detector in architectural floor plan
Lluis Pere de las Heras, David Fernandez, Ernest Valveny, Josep Llados and Gemma Sanchez. 2013. Unsupervised wall detector in architectural floor plan. 12th International Conference on Document Analysis and Recognition.1245–1249.
Wall detection in floor plans is a crucial step in a complete floor plan recognition system. Walls define the main structure of buildings and convey essential information for the detection of other structural elements. Nevertheless, wall segmentation is a difficult task, mainly because of the lack of a standard graphical notation. The existing approaches are restricted to small group of similar notations or require the existence of pre-annotated corpus of input images to learn each new notation. In this paper we present an automatic wall segmentation system, with the ability to handle completely different notations without the need of any annotated dataset. It only takes advantage of the general knowledge that walls are a repetitive element, naturally distributed within the plan and commonly modeled by straight parallel lines. The method has been tested on four datasets of real floor plans with different notations, and compared with the state-of-the-art. The results show its suitability for different graphical notations, achieving higher recall rates than the rest of the methods while keeping a high average precision.
Unsupervised wall detector in architectural floor planLluis Pere de las HerasDavid FernandezErnest ValvenyJosep LladosGemma Sanchezinfo:doi/10.1109/ICDAR.2013.252openurl:?ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Frefbase.cvc.uab.es%2F&genre=proceeding&title=Unsupervised%20wall%20detector%20in%20architectural%20floor%20plan&issn=1520-5363&date=2013&spage=1245&epage=1249&aulast=Lluis%20Pere%20de%20las%20Heras&au=David%20Fernandez&au=Ernest%20Valveny&au=Josep%20Llados&au=Gemma%20Sanchez&id=info%3Adoi%2F10.1109%2FICDAR.2013.252&sid=refbase%3ACVCLluis Pere de las Heras, David Fernandez, Ernest Valveny, Josep Llados and Gemma Sanchez. 2013. Unsupervised wall detector in architectural floor plan. 12th International Conference on Document Analysis and Recognition.1245-1249.2013ConferencePapertextfile:http://refbase.cvc.uab.es/files/HFV2013.pdf1520-536312th International Conference on Document Analysis and Recognition201312451249