Deep learning‐based hybrid reconstruction algorithm for fibre instance segmentation from 3D x‐ray tomographic images

3D x‐ray tomography is a powerful scanning technique used for generating images of complex fibre structures. A novel machine‐learning algorithm to identify and separate individual fibres using 3D images is proposed in this article. The developed four‐step hybrid 3D fibre segmentation algorithm invol...

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Bibliographic Details
Published in:Canadian journal of chemical engineering Vol. 101; no. 12; pp. 6817 - 6826
Main Authors: Fang, Mengqi, Sibellas, Aurélien, Drummond, James, Cao, Yankai, Phillion, Andre, Martinez, Mark, Pediredla, Vijay Kumar, Gopaluni, Bhushan
Format: Journal Article
Language:English
Published: Hoboken Wiley Subscription Services, Inc 01.12.2023
Subjects:
Algorithms
Complexity
Data analysis
Deep learning
Fibers
Image compression
Image processing
Image reconstruction
Image segmentation
Instance segmentation
Machine learning
Object recognition
Outliers (statistics)
Semantic segmentation
Three dimensional imaging
ISSN:0008-4034, 1939-019X
Online Access:Get full text
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Summary:3D x‐ray tomography is a powerful scanning technique used for generating images of complex fibre structures. A novel machine‐learning algorithm to identify and separate individual fibres using 3D images is proposed in this article. The developed four‐step hybrid 3D fibre segmentation algorithm involves deep‐learning aided semantic segmentation that slices 3D images to create 2D images for fibre extraction, elliptical contour estimation combined with the marker‐controlled watershed algorithm for separating fibres from the background area, identifying individual fibres through 3D reconstruction, and, lastly, the 3D object refining approach based on outlier object detection and replacement. The proposed methodology is implemented on a real‐time sample of nylon fibre bundle under compression and its 3D x‐ray image volume to validate the performance. The results show its superior performance compared to off‐the‐shelf image processing algorithms in terms of precision, that is, with a validation accuracy greater than 90%, and efficiency, that is, preventing the need for a huge data set and reducing the complexity.
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ISSN:0008-4034
1939-019X
DOI:10.1002/cjce.24939