Naslov
Robust Extraction of Line Segments from Colour Images by an Iterative Weighted Polarised Hough Transform

Autori
Šegvić, Siniša

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proc. 21st International Convention MIPRO '98, Vol. II / Petar Biljanović, Karolj Skala, Slobodan Ribarić, Leo Budin - Rijeka : Hrvatska udruga za informacijsku i komunikacijsku tehnologiju, elektroniku i mikroelektroniku - MIPRO, 1998, 35-38

Skup
21st International Convention MIPRO '98

Mjesto i datum
Opatija, Hrvatska, 18.05.1998. - 22.05.1998

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
segmentacija slike; pronalaženje bridova; Hough-ova transformacija; izdvajanje pravolinijskih segmenata
(image segmentation; edge detection; Hough transform; extraction of line segments)

Sažetak
Abstract - In this paper, a nonparametric iterative procedure for robust extraction of line segments from a colour image is introduced. On input, weighted edge map and gradient direction map are provided by applying a nonparametric modification of Canny edge detector to original colour image. Then, a sequence of following three algorithms is iteratively applied: weighted polarised Hough transform, algorithm for detecting prominent local maxima in parameter space and algorithm for extracting line segments given the list of prominent lines. An iterative approach is applied in order to overcome the "screening effect" which is identified as a cause for many problems tied with standard Hough transform. Results on three sets of colour images are reported in order to show performance and robustness of the proposed procedure.

Izvorni jezik
Engleski

Znanstvena područja
Računarstvo

POVEZANOST RADA