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Master's Dissertation
DOI
https://doi.org/10.11606/D.18.2018.tde-23012018-141411
Document
Author
Full name
Ernany Paranagua da Silva
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 1996
Supervisor
Committee
Gonzaga, Adilson (President)
Obac Roda, Valentin
Paiva, Maria Stela Veludo de
Title in Portuguese
Aplicação da Transformada de Hough em inspeção visual automática
Keywords in Portuguese
Inspeção visual automática
Transformada de Hough
Abstract in Portuguese
Neste trabalho é proposto a técnica da Transformada de Hough para a Inspeção Visual Automática de placas retangulares, visando a determinação de características tais como perímetro, ortogonalidade, centro de massa, área, independente de rotação e translação do objeto dentro da imagem. Os resultados obtidos por essa técnica são avaliados pela comparação com o método dos Momentos, o recurso mais utilizado para a determinação de área e centro de massa para imagens bi-dimensionais. A análise estatística dos dados mostra a robustez da técnica da Transformada Hough para imagens ruidosas.
Title in English
not available
Keywords in English
Automated visual inspection
Hough transform
Abstract in English
In this work, is proposed the Hough transform method for the Automated Visual lnspection of rectangular boards. The aim is to extract features such as position, perimeter and area, despite of object translation and rotation. The results obtained by this method are evaluated by comparing them with the method of Moments, the most used method to determine the area and center of mass for bi-dimensional images. Statistical analysis show the robustness of Hough transform for noisy images visual inspection.
 
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Publishing Date
2018-01-24
 
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