Measuring Straight Line Segments Using HT Butterflies | Zendy

Shengzhi Du | Zendy; Chunling Tu | Zendy; Barend Jacobus van Wyk | Zendy; Elisha Oketch Ochola | Zendy; Zengqiang Chen | Zendy

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Measuring Straight Line Segments Using HT Butterflies

Author(s) -

Shengzhi Du,

Chunling Tu,

Barend Jacobus van Wyk,

Elisha Oketch Ochola,

Zengqiang Chen

Publication year - 2012

Publication title -

plos one

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.99

H-Index - 332

ISSN - 1932-6203

DOI - 10.1371/journal.pone.0033790

Subject(s) - line (geometry) , hough transform , line segment , position (finance) , computer science , pattern recognition (psychology) , image (mathematics) , power (physics) , artificial intelligence , mathematics , computer vision , geometry , physics , finance , quantum mechanics , economics

This paper addresses the features of Hough Transform (HT) butterflies suitable for image-based segment detection and measurement. The full segment parameters such as the position, slope, width, length, continuity, and uniformity are related to the features of the HT butterflies. Mathematical analysis and experimental data are presented in order to demonstrate and build the relationship between the measurements of segments and the features of HT butterflies. An effective method is subsequently proposed to employ these relationships in order to discover the parameters of segments. Power line inspection is considered as an application of the proposed method. The application demonstrates that the proposed method is effective for power line inspection, especially for corner detection when they cross poles.

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