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Lluis Pere de las Heras, Ahmed Sheraz, Marcus Liwicki, Ernest Valveny and Gemma Sanchez. 2014. Statistical Segmentation and Structural Recognition for Floor Plan Interpretation. IJDAR, 17(3), 221–237.
Abstract: A generic method for floor plan analysis and interpretation is presented in this article. The method, which is mainly inspired by the way engineers draw and interpret floor plans, applies two recognition steps in a bottom-up manner. First, basic building blocks, i.e., walls, doors, and windows are detected using a statistical patch-based segmentation approach. Second, a graph is generated, and structural pattern recognition techniques are applied to further locate the main entities, i.e., rooms of the building. The proposed approach is able to analyze any type of floor plan regardless of the notation used. We have evaluated our method on different publicly available datasets of real architectural floor plans with different notations. The overall detection and recognition accuracy is about 95 %, which is significantly better than any other state-of-the-art method. Our approach is generic enough such that it could be easily adopted to the recognition and interpretation of any other printed machine-generated structured documents.
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Carme Julia, Felipe Lumbreras and Angel Sappa. 2011. A Factorization-based Approach to Photometric Stereo. IJIST, 21(1), 115–119.
Abstract: This article presents an adaptation of a factorization technique to tackle the photometric stereo problem. That is to recover the surface normals and reflectance of an object from a set of images obtained under different lighting conditions. The main contribution of the proposed approach is to consider pixels in shadow and saturated regions as missing data, in order to reduce their influence to the result. Concretely, an adapted Alternation technique is used to deal with missing data. Experimental results considering both synthetic and real images show the viability of the proposed factorization-based strategy. © 2011 Wiley Periodicals, Inc. Int J Imaging Syst Technol, 21, 115–119, 2011.
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Felipe Lumbreras and Joan Serrat. 1996. Segmentation of petrographical images of marbles. Computers and Geosciences. 22(5):547–558.
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J. Pladellorens, Joan Serrat, A. Castell and M.J. Yzuel. 1993. Using mathematical morphology to determine left ventricular contours..
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J. Pladellorens, M.J. Yzuel, J. Castell and Joan Serrat. 1993. Calculo automatico del volumen del ventriculo izquierdo. Comparacion con expertos..
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A.F. Sole, S. Ngan, G. Sapiro, X. Hu and Antonio Lopez. 2001. Anisotropic 2-D and 3-D Averaging of fMRI Signals. IEEE Transactions on Medical Imaging, 20(2): 86–93 (IF: 3.142).
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Daniel Ponsa, Robert Benavente, Felipe Lumbreras, J. Martinez and Xavier Roca. 2003. Quality control of safety belts by machine vision inspection for real-time production.
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A.F. Sole, Antonio Lopez and G. Sapiro. 2001. Crease Enhancement Diffusion. Computer Vision and Image Understanding, 84(2): 241–248 (IF: 1.298).
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Jaume Amores and Petia Radeva. 2005. Retrieval of IVUS Images Using Contextual Information and Elastic Matching.
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Angel Sappa. 2006. Splitting up Panoramic Range Images into Compact 2½D Representations.
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