Pixel-wise classification in graphene-detection with tree-based machine learning algorithms

Mechanical exfoliation of graphene and its identification by optical inspection is one of the milestones in condensed matter physics that sparked the field of two-dimensional materials. Finding regions of interest from the entire sample space and identification of layer number is a routine task pote...

Full description

Bibliographic Details
Main Authors: Woon Hyung Cho, Jiseon Shin, Young Duck Kim, George J Jung
Format: Article
Language:English
Published: IOP Publishing 2022-01-01
Series:Machine Learning: Science and Technology
Subjects:
Online Access:https://doi.org/10.1088/2632-2153/aca744
_version_ 1811158103908941824
author Woon Hyung Cho
Jiseon Shin
Young Duck Kim
George J Jung
author_facet Woon Hyung Cho
Jiseon Shin
Young Duck Kim
George J Jung
author_sort Woon Hyung Cho
collection DOAJ
description Mechanical exfoliation of graphene and its identification by optical inspection is one of the milestones in condensed matter physics that sparked the field of two-dimensional materials. Finding regions of interest from the entire sample space and identification of layer number is a routine task potentially amenable to automatization. We propose supervised pixel-wise classification methods showing a high performance even with a small number of training image datasets that require short computational time without GPU. We introduce four different tree-based machine learning (ML) algorithms—decision tree, random forest, extreme gradient boost, and light gradient boosting machine. We train them with five optical microscopy images of graphene, and evaluate their performances with multiple metrics and indices. We also discuss combinatorial ML models between the three single classifiers and assess their performances in identification and reliability. The code developed in this paper is open to the public and will be released at https://github.com/gjung-group/Graphene_segmentation .
first_indexed 2024-04-10T05:18:42Z
format Article
id doaj.art-efe6b6a4d072474f80ab7cd6e3e8e035
institution Directory Open Access Journal
issn 2632-2153
language English
last_indexed 2024-04-10T05:18:42Z
publishDate 2022-01-01
publisher IOP Publishing
record_format Article
series Machine Learning: Science and Technology
spelling doaj.art-efe6b6a4d072474f80ab7cd6e3e8e0352023-03-08T15:03:26ZengIOP PublishingMachine Learning: Science and Technology2632-21532022-01-013404502910.1088/2632-2153/aca744Pixel-wise classification in graphene-detection with tree-based machine learning algorithmsWoon Hyung Cho0https://orcid.org/0000-0003-2629-8370Jiseon Shin1https://orcid.org/0000-0002-1756-0536Young Duck Kim2https://orcid.org/0000-0003-2593-9826George J Jung3https://orcid.org/0000-0003-2523-0905Department of Physics, University of Seoul , Seoul 02504, Republic of Korea; Department of Smart Cities, University of Seoul , Seoul 02504, Republic of KoreaDepartment of Physics, University of Seoul , Seoul 02504, Republic of KoreaDepartment of Physics, Department of Information Display, KHU-KIST Department of Converging Science and Technology, Kyung Hee University , Seoul, 02447, Republic of KoreaDepartment of Physics, University of Seoul , Seoul 02504, Republic of Korea; Department of Smart Cities, University of Seoul , Seoul 02504, Republic of KoreaMechanical exfoliation of graphene and its identification by optical inspection is one of the milestones in condensed matter physics that sparked the field of two-dimensional materials. Finding regions of interest from the entire sample space and identification of layer number is a routine task potentially amenable to automatization. We propose supervised pixel-wise classification methods showing a high performance even with a small number of training image datasets that require short computational time without GPU. We introduce four different tree-based machine learning (ML) algorithms—decision tree, random forest, extreme gradient boost, and light gradient boosting machine. We train them with five optical microscopy images of graphene, and evaluate their performances with multiple metrics and indices. We also discuss combinatorial ML models between the three single classifiers and assess their performances in identification and reliability. The code developed in this paper is open to the public and will be released at https://github.com/gjung-group/Graphene_segmentation .https://doi.org/10.1088/2632-2153/aca744tree-based machine learninggraphene detectionpixel-wisewithout GPUsegmentation
spellingShingle Woon Hyung Cho
Jiseon Shin
Young Duck Kim
George J Jung
Pixel-wise classification in graphene-detection with tree-based machine learning algorithms
Machine Learning: Science and Technology
tree-based machine learning
graphene detection
pixel-wise
without GPU
segmentation
title Pixel-wise classification in graphene-detection with tree-based machine learning algorithms
title_full Pixel-wise classification in graphene-detection with tree-based machine learning algorithms
title_fullStr Pixel-wise classification in graphene-detection with tree-based machine learning algorithms
title_full_unstemmed Pixel-wise classification in graphene-detection with tree-based machine learning algorithms
title_short Pixel-wise classification in graphene-detection with tree-based machine learning algorithms
title_sort pixel wise classification in graphene detection with tree based machine learning algorithms
topic tree-based machine learning
graphene detection
pixel-wise
without GPU
segmentation
url https://doi.org/10.1088/2632-2153/aca744
work_keys_str_mv AT woonhyungcho pixelwiseclassificationingraphenedetectionwithtreebasedmachinelearningalgorithms
AT jiseonshin pixelwiseclassificationingraphenedetectionwithtreebasedmachinelearningalgorithms
AT youngduckkim pixelwiseclassificationingraphenedetectionwithtreebasedmachinelearningalgorithms
AT georgejjung pixelwiseclassificationingraphenedetectionwithtreebasedmachinelearningalgorithms