Efficient vertex detection algorithms using the Hough transform

Allada, Venkat; Anand, Sam

doi:10.1007/bf01178965

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Cited by 6 publications

(1 citation statement)

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“…Recognition of patterns in images is an important task in many automated manufacturing processes using machine vision [1][2][3]. A large number of the patterns occurring in real-world manufacturing images can be either represented by a parametric equation or approximated by a number of parametric equations Straight lines, circles and ellipses are considered as the basic building blocks of a large number of patterns in real-world scenes.…”

Section: Introductionmentioning

confidence: 99%

Coarse-to-Fine Search Technique to Detect Circles in Images

Atiquzzaman

1999

The International Journal of Advanced Manufacturing Technology

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Section: Introductionmentioning

confidence: 99%

Coarse-to-Fine Search Technique to Detect Circles in Images

Atiquzzaman

1999

The International Journal of Advanced Manufacturing Technology

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show abstract

Appendix I: Information Sources

Batchelor

2012

Machine Vision Handbook

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A wire deflection detection method based on image processing in wire + arc additive manufacturing

Zhan

Liang

Ding

et al. 2016

Int J Adv Manuf Technol

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Wire and Arc Additive Manufacture (WAAM), the twist of wire during a robot's movement can result in the sudden changes of the wire feeding position and thus cause deposition defects and dimensional errors. In the worst case it may cause wire jamming and damage of the wire feeding system. Therefore on-line monitoring and correction of the wire deflection are very important for WAAM. In this paper, a vision based measuring method is proposed for detecting the deviations of the wire feeding position of a plasma welding based WAAM process. It uses adaptive threshold and Hough transform to extract the wire edges, judges and merges the coincident lines and applies Radon transform to measure the wire deflection. Software to automatically detect the wire deviation was developed based on the proposed method. The method and the software was verified with validation experiments.

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Efficient vertex detection algorithms using the Hough transform

Cited by 6 publications

References 14 publications

Coarse-to-Fine Search Technique to Detect Circles in Images

Coarse-to-Fine Search Technique to Detect Circles in Images

Appendix I: Information Sources

A wire deflection detection method based on image processing in wire + arc additive manufacturing

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