2016-11-182011-03@conference{visapp11_face_reconstruction, author={John Congote and Iñigo Barandiaran and Javier Barandiaran and Marcos Nieto and Oscar Ruiz}, title={FACE RECONSTRUCTION WITH STRUCTURED LIGHT}, booktitle={Proceedings of the International Conference on Computer Vision Theory and Applications (VISIGRAPP 2011)}, year={2011}, keys ={3D Reconstruction, Structured light, Gray codes, Depthmap}, pages={149-155}, doi={10.5220/0003371401490155}, isbn={978-989-8425-47-8}, }978-989-8425-47-8http://hdl.handle.net/10784/9719This article presents a methodology for reconstruction of 3D faces which is based on stereoscopic images of the scene using active and passive surface reconstruction -- A sequence of gray patterns is generated, which are projected onto the scene and their projection recorded by a pair of stereo cameras -- The images are rectified to make coincident their epipolar planes and so to generate a stereo map of the scene -- An algorithm for stereo matching is applied, whose result is a bijective mapping between subsets of the pixels of the images -- A particular connected subset of the images (e.g. the face) is selected by a segmentation algorithm -- The stereo mapping is applied to such a subset and enables the triangulation of the two image readings therefore rendering the (x;y; z) points of the face, which in turn allow the reconstruction of the triangular mesh of the face -- Since the surface might have holes, bilateral filters are applied to have the holes filled -- The algorithms are tested in real conditions and we evaluate their performance with virtual datasets -- Our results show a good reconstruction of the faces and an improvement of the results of passive systemsapplication/pdfengFace Reconstruction with structured lightinfo:eu-repo/semantics/conferencePaperinfo:eu-repo/semantics/closedAccessVISIÓN POR COMPUTADORTOPOLOGÍAPROCESAMIENTO DE IMÁGENESGRÁFICOS POR COMPUTADORPROCESAMIENTO DIGITAL DE IMÁGENESFOTOGRAMETRÍACARAComputer visionTopologyImage processingComputer graphicsImage processing - Digital techniquesPhotogrammetryFaceReconstrucción 3DReconstrucción tridimensionalReconstrucción superficialVisión estéreoGeometría epipolarAcceso cerrado2016-11-18Congote, JohnBarandiaran, IñigoBarandiaran, JavierNieto, MarcosRuíz, Óscar10.5220/0003371401490155