NDLI: Flotation froth images velocity feature extraction and analysis based on Fourier-Mellin transform and gray-template matching

Content Provider	IEEE Xplore Digital Library
Author	Mu Xue-min Liu Jin-ping Tang Zhao-hui Gui Wei-hua Yang Chun-hua
Copyright Year	2010
Description	Author affiliation: School of Information Science & Engineering, Central South University, Hunan Changsha, 410083, China (Mu Xue-min; Liu Jin-ping; Tang Zhao-hui; Gui Wei-hua; Yang Chun-hua)
Abstract	The variable of froth velocity is an effective flotation optimal control parameter in the machine vision based flotation monitoring and control, which closely related to the flotation performance indices. However, the bubble velocity extracted based on digital image processing is often difficult to accurately extract, due to the inevitable rotation, scaling and the collapse of the bubbles deformation and so on. The problem that hard to extract the velocity characteristic of the deformed bubbles was solved by applying the gray template matching fused Fourier-Mellin transform based registration, hence the velocity distribution of the bubble images was extracted accurately in terms of the feature of the bubbles. Then, the relationship between the bubbles velocity turbulence degree and the flotation performance indices was discussed. The method to extract the bubble velocity has been applied on the flotation field of industrial scale for more than two years, which provides guidance to the operator through extracting the velocity field and observing the chaos level of the bubble motion velocity of the bubble images captured in real time automatically.
Starting Page	6078
Ending Page	6083
File Size	951948
Page Count	6
File Format	PDF
ISBN	9781424467129
e-ISBN	9781424467129
DOI	10.1109/WCICA.2010.5554729
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-07
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Feature extraction Transforms Monitoring Information science Machine vision Chaos Transform coding template matching flotation bubble images motion estimation Fourier-Mellin transform
Content Type	Text
Resource Type	Article

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