Using wavelet transforms to suppress light interference in the optoelectronic monitoring system of the weft thread break

The article presents the results of studies on interference suppression in optoelectronic methods for monitoring weft thread weaving looms on the basis of linear image sensors caused by inhomogeneities of the background created by sources of natural or artificial light sources in a controlled image...

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Bibliographic Details
Published in:Journal of physics. Conference series 2019-10, Vol.1327 (1), p.12044
Main Authors: Morgunov, Yu Yu, Yakunin, A G
Format: Article
Language:English
Subjects:
Interference
Light sources
Looms
Monitoring
Optoelectronics
Personal computers
Physics
Wavelet transforms
Weft
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Summary:The article presents the results of studies on interference suppression in optoelectronic methods for monitoring weft thread weaving looms on the basis of linear image sensors caused by inhomogeneities of the background created by sources of natural or artificial light sources in a controlled image scene. Existing solutions that use linear or nonlinear filtering are focused primarily on the processing of two-dimensional images on personal computers and are unsuitable for use in embedded applications. In particular, their use is also ineffective for solving the above problem, when the useful signal is defined as the difference between the output signals of the photodetector taken at a fixed time interval. As studies have shown, in this case, the best result is the use of discrete wavelet-transform.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1327/1/012044