Detail výsledku
Vanishing Points in Point-to-Line Mappings and Other Line Parameterizations
Herout Adam, prof. Ing., Ph.D., UIFS (FIT), UPGM (FIT)
Juránková Markéta, Ing., Ph.D., UPGM (FIT)
Some variants of the Hough transform can be used for detecting vanishing points and groups of concurrent lines. This article addresses a common misconception that in the polar line parameterization the vanishing point is represented by a line. The numerical error caused by this inaccuracy is then estimated.
The article studies in detail point-to-line-mappings (PTLMs) -- a class of line parameterizations which have the property that the vanishing point is represented by a line (and thus can be easily searched for). When a PTLM parameterization is used for the straight line detection by the Hough transform, a pair or a triplet of complementary PTLMs has to be used in order to obtain a limited Hough space. The complementary pairs and triplets of PTLMs are formalized and discussed in this article.
line parameterization, Hough transform, vanishing points, camera calibration
@article{BUT103449,
author="Jiří {Havel} and Adam {Herout} and Markéta {Juránková}",
title="Vanishing Points in Point-to-Line Mappings and Other Line Parameterizations",
journal="Pattern Recognition Letters",
year="2013",
volume="2013",
number="34",
pages="703--708",
doi="10.1016/j.patrec.2013.01.020",
issn="0167-8655"
}Rozpoznávání a prezentace informací z multimediálních dat, VUT, Vnitřní projekty VUT, FIT-S-10-2, 2010, zahájení: 2010-04-01, ukončení: 2010-12-31, ukončen
Výzkum informačních technologií z hlediska bezpečnosti, MŠMT, Institucionální prostředky SR ČR (např. VZ, VC), MSM0021630528, zahájení: 2007-01-01, ukončení: 2013-12-31, řešení