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Ultra-Fast Detection of Loosened Bolts Based on Binary Image Processing- Crimson Publishers

Ultra-Fast Detection of Loosened Bolts Based on Binary Image Processing- CrimsonPublishers

 


In this paper, we offer a new method for detecting tight or loosened bolts based on image processing. The proposed method is independent of bolt appearances, and no height detector is needed. Firstly, several pictures are taken from the bolts in tight and different loosened states for training the system. After the training step, the status of the study bolts is processed by MATLAB software. By using image processing techniques including noise removal, Circular Hough Transform (CHT), transformation of colored images to grayscale, Otsu thresholding, binary complement of Otsu thresholding, enhancement of images with dilation structure element, and after calculating the area of the bolts, the decision about the states of the bolts can be accurately determined based on the number of zero pixels. The proposed method has the advantages of the low calculation process, very fast, and high precision response.

https://crimsonpublishers.com/rmes/fulltext/RMES.000713.php

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