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Title: Automated defect analysis in electron microscopic images

Journal Article · · npj Computational Materials

Electron microscopy and defect analysis are a cornerstone of materials science, as they offer detailed insights on the microstructure and performance of a wide range of materials and material systems. Building a robust and flexible platform for automated defect recognition and classification in electron microscopy will result in the completion of analysis orders of magnitude faster after images are recorded, or even online during image acquisition. Automated analysis has the potential to be significantly more efficient, accurate, and repeatable than human analysis, and it can scale with the increasingly important methods of automated data generation. Herein, an automated recognition tool is developed based on a computer vison–based approach; it sequentially applies a cascade object detector, convolutional neural network, and local image analysis methods. We demonstrate that the automated tool performs as well as or better than manual human detection in terms of recall and precision and achieves quantitative image/defect analysis metrics close to the human average. The proposed approach works for images of varying contrast, brightness, and magnification. Furthermore, these promising results suggest that this and similar approaches are worth exploring for detecting multiple defect types and have the potential to locate, classify, and measure quantitative features for a range of defect types, materials, and electron microscopic techniques.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1462882
Journal Information:
npj Computational Materials, Vol. 4, Issue 1; ISSN 2057-3960
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 76 works
Citation information provided by
Web of Science

References (39)

Deep learning journal May 2015
Face Description with Local Binary Patterns: Application to Face Recognition journal December 2006
Deep Learning of Atomically Resolved Scanning Transmission Electron Microscopy Images: Chemical Identification and Tracking Local Transformations journal October 2016
A practical implementation of face detection by using Matlab cascade object detector conference October 2015
Image driven machine learning methods for microstructure recognition journal October 2016
Robust Real-Time Face Detection journal May 2004
Histograms of Oriented Gradients for Human Detection conference January 2005
Exploring the microstructure manifold: Image texture representations applied to ultrahigh carbon steel microstructures journal July 2017
A general review of human face detection including a study of neural networks and Haar feature-based cascade classifier in face detection conference August 2014
Mitosis Detection in Breast Cancer Histology Images with Deep Neural Networks book January 2013
Rethinking the Inception Architecture for Computer Vision conference June 2016
Characterization of irradiation defect structures and densities by transmission electron microscopy journal February 2015
Fully convolutional networks for semantic segmentation conference June 2015
Dislocation loop formation in model FeCrAl alloys after neutron irradiation below 1 dpa journal November 2017
Big Data Analytics for Scanning Transmission Electron Microscopy Ptychography journal May 2016
Inferring low-dimensional microstructure representations using convolutional neural networks journal November 2017
Watersheds in digital spaces: an efficient algorithm based on immersion simulations journal June 1991
Structural materials for fission & fusion energy journal November 2009
A Method for Detection and Classification of Glass Defects in Low Resolution Images conference August 2011
Visualizing and Understanding Convolutional Networks book January 2014
Shape matching and object recognition using shape contexts journal April 2002
TEM characterization of dislocation loops in irradiated bcc Fe-based steels journal March 2013
Automated Detection and Segmentation of Synaptic Contacts in Nearly Isotropic Serial Electron Microscopy Images journal October 2011
Diffraction contrast STEM of dislocations: Imaging and simulations journal August 2011
Face Detection with the Faster R-CNN conference May 2017
Object Detection with Discriminatively Trained Part-Based Models journal September 2010
Rapid object detection using a boosted cascade of simple features conference January 2001
Heterogeneous dislocation loop formation near grain boundaries in a neutron-irradiated commercial FeCrAl alloy journal January 2017
Application of STEM characterization for investigating radiation effects in BCC Fe-based alloys journal April 2015
Radiation tolerance of neutron-irradiated model Fe–Cr–Al alloys journal October 2015
Big data and deep data in scanning and electron microscopies: deriving functionality from multidimensional data sets journal May 2015
A deep convolutional neural network to analyze position averaged convergent beam electron diffraction patterns journal May 2018
Deep Learning text January 2018
Robust real-time face detection conference January 2001
Rethinking the Inception Architecture for Computer Vision preprint January 2015
Fully Convolutional Networks for Semantic Segmentation preprint January 2016
A Deep Convolutional Neural Network to Analyze Position Averaged Convergent Beam Electron Diffraction Patterns text January 2017
Deep Learning of Atomically Resolved Scanning Transmission Electron Microscopy Images: Chemical Identification and Tracking Local Transformations text January 2018
Detection of Open Loop Defects in STEM Images of Irradiation-Damaged Alloys – Source Code for Detection and Image Dataset dataset January 2018

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