Segmentation of Wear Debris Based on Edge Detection and Contour Classification

Luo, Jiufei; Feng, Song; Qiu, Guang; Han, Leng

doi:10.1109/sdpc.2018.8664913

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2019

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“…The difference between transmission and reflection ferrograms is huge. Unlike transmission ferrograms, reflection ferrogram information is more complicated, making it more difficult to extract debris features [27]. Wear debris segmentation is a prerequisite for extracting features such as color and morphology of wear debris, but there is currently no method for segmenting wear debris from reflected light OLVF ferrograms.…”

Section: Introductionmentioning

confidence: 99%

A Wear Debris Segmentation Method for Direct Reflection Online Visual Ferrography

Feng

Qiu

Luo

et al. 2019

Sensors

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Wear debris in lube oil was observed using a direct reflection online visual ferrograph (OLVF) to monitor the machine running condition and judge wear failure online. The existing research has mainly concentrated on extraction of wear debris concentration and size according to ferrograms under transmitted light. Reports on the segmentation algorithm of the wear debris ferrograms under reflected light are lacking. In this paper, a wear debris segmentation algorithm based on edge detection and contour classification is proposed. The optimal segmentation threshold is obtained by an adaptive canny algorithm, and the contour classification filling method is applied to overcome the problems of excessive brightness or darkness of some wear debris that is often neglected by traditional segmentation algorithms such as the Otsu and Kittler algorithms.

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Section: Introductionmentioning

confidence: 99%