Title
Inpainting of Ring Artifacts on Microtomographic Images by 3D CNN
Abstract
Ring artifacts are inevitable in microtomographic images. In a Digital Rock workflow, such defects might affect the subsequent segmentation and flow simulation. We propose a correction of ring artifacts in reconstructed microtomographic images by inpainting. Our blind inpainting method uses a 3D convolutional network U-net. For the creation of training and validation datasets, we suggest an algorithm for transferring real ring artifacts to an arbitrary place in the undistorted slices of 8 big images of sandstones and sand. The parameters of the deep neural network and loss functions are analyzed. A loss function based on the multi-scale structural similarity index (MS-SSIM) allows to achieve the best performance. The developed solution corrects ring artifacts perfectly from a point of view of visual assessment and outperforms existing inpainting methods according to quality metrics based on MS-SSIM and mean absolute error (MAE).
Year
DOI
Venue
2020
10.23919/FRUCT48808.2020.9087422
2020 26th Conference of Open Innovations Association (FRUCT)
Keywords
DocType
ISSN
ring artifacts,reconstructed microtomographic images,blind inpainting method,3D convolutional network U-net,loss function,image segmentation,flow simulation,3D CNN,digital rock workflow,deep neural network,loss functions,multiscale structural similarity index,sandstones
Conference
2305-7254
ISBN
Citations 
PageRank 
978-1-7281-4257-9
0
0.34
References 
Authors
0
3
Name
Order
Citations
PageRank
Anton S. Kornilov100.34
Ilia Safonov200.34
Ivan Yakimchuk301.01