Correspondencias densas por medio de regiones locales con transformaciones tipo Affine (Dense Correspondence using Local Regions with Affine Transformations)

Alfredo Reyes (alfredoreyesacosta@hotmail.com)1, Ismael Lopez (ismael.lopez@cinvestav.mx)1


1CINVESTAV

This paper appears in: Revista IEEE América Latina

Publication Date: Feb. 2016
Volume: 14,   Issue: 2 
ISSN: 1548-0992


Abstract:
The development of a virtual environments is desirable in many engineering applications for several reasons. For example, it can reduce the number of dangerous operations during the virtual inspection of mines, pipes for gas, water and sewer to inspect its current condition and identify possible failures. The proposal in this paper is an alternative solution to this problem obtaining a virtual image through the reconstruction of the inner pipe for assessment and fault detection. The proposed method employs regions with affine transformations used as dense correspondence, which are calculated through local correspondences, such as the detector/descriptor SIFT (Scale-invariant feature transform). The SIFT is required to obtain the position and orientation of the camera in the captured positions to get the structure of the scene through correspondences and to create a 3D reconstruction.

Index Terms:
Dense Correspondences, Local Correspondences, Affine Transformation   


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