The psc-CVM assessment system : A three-stage type system for CVM assessment based on deep learning
© 2023. BioMed Central Ltd., part of Springer Nature..
BACKGROUND: Many scholars have proven cervical vertebral maturation (CVM) method can predict the growth and development and assist in choosing the best time for treatment. However, assessing CVM is a complex process. The experience and seniority of the clinicians have an enormous impact on judgment. This study aims to establish a fully automated, high-accuracy CVM assessment system called the psc-CVM assessment system, based on deep learning, to provide valuable reference information for the growth period determination.
METHODS: This study used 10,200 lateral cephalograms as the data set (7111 in train set, 1544 in validation set and 1545 in test set) to train the system. The psc-CVM assessment system is designed as three parts with different roles, each operating in a specific order. 1) Position Network for locating the position of cervical vertebrae; 2) Shape Recognition Network for recognizing and extracting the shapes of cervical vertebrae; and 3) CVM Assessment Network for assessing CVM according to the shapes of cervical vertebrae. Statistical analysis was conducted to detect the performance of the system and the agreement of CVM assessment between the system and the expert panel. Heat maps were analyzed to understand better what the system had learned. The area of the third (C3), fourth (C4) cervical vertebrae and the lower edge of second (C2) cervical vertebrae were activated when the system was assessing the images.
RESULTS: The system has achieved good performance for CVM assessment with an average AUC (the area under the curve) of 0.94 and total accuracy of 70.42%, as evaluated on the test set. The Cohen's Kappa between the system and the expert panel is 0.645. The weighted Kappa between the system and the expert panel is 0.844. The overall ICC between the psc-CVM assessment system and the expert panel was 0.946. The F1 score rank for the psc-CVM assessment system was: CVS (cervical vertebral maturation stage) 6 > CVS1 > CVS4 > CVS5 > CVS3 > CVS2.
CONCLUSIONS: The results showed that the psc-CVM assessment system achieved high accuracy in CVM assessment. The system in this study was significantly consistent with expert panels in CVM assessment, indicating that the system can be used as an efficient, accurate, and stable diagnostic aid to provide a clinical aid for determining growth and developmental stages by CVM.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:23 |
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| Enthalten in: |
BMC oral health - 23(2023), 1 vom: 12. Aug., Seite 557 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Li, Hairui [VerfasserIn] |
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| Links: |
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| Themen: |
Cervical vertebral maturation (CVM) assessment |
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| Anmerkungen: |
Date Completed 14.08.2023 Date Revised 21.11.2023 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1186/s12903-023-03266-7 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM360728022 |
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| 520 | |a © 2023. BioMed Central Ltd., part of Springer Nature. | ||
| 520 | |a BACKGROUND: Many scholars have proven cervical vertebral maturation (CVM) method can predict the growth and development and assist in choosing the best time for treatment. However, assessing CVM is a complex process. The experience and seniority of the clinicians have an enormous impact on judgment. This study aims to establish a fully automated, high-accuracy CVM assessment system called the psc-CVM assessment system, based on deep learning, to provide valuable reference information for the growth period determination | ||
| 520 | |a METHODS: This study used 10,200 lateral cephalograms as the data set (7111 in train set, 1544 in validation set and 1545 in test set) to train the system. The psc-CVM assessment system is designed as three parts with different roles, each operating in a specific order. 1) Position Network for locating the position of cervical vertebrae; 2) Shape Recognition Network for recognizing and extracting the shapes of cervical vertebrae; and 3) CVM Assessment Network for assessing CVM according to the shapes of cervical vertebrae. Statistical analysis was conducted to detect the performance of the system and the agreement of CVM assessment between the system and the expert panel. Heat maps were analyzed to understand better what the system had learned. The area of the third (C3), fourth (C4) cervical vertebrae and the lower edge of second (C2) cervical vertebrae were activated when the system was assessing the images | ||
| 520 | |a RESULTS: The system has achieved good performance for CVM assessment with an average AUC (the area under the curve) of 0.94 and total accuracy of 70.42%, as evaluated on the test set. The Cohen's Kappa between the system and the expert panel is 0.645. The weighted Kappa between the system and the expert panel is 0.844. The overall ICC between the psc-CVM assessment system and the expert panel was 0.946. The F1 score rank for the psc-CVM assessment system was: CVS (cervical vertebral maturation stage) 6 > CVS1 > CVS4 > CVS5 > CVS3 > CVS2 | ||
| 520 | |a CONCLUSIONS: The results showed that the psc-CVM assessment system achieved high accuracy in CVM assessment. The system in this study was significantly consistent with expert panels in CVM assessment, indicating that the system can be used as an efficient, accurate, and stable diagnostic aid to provide a clinical aid for determining growth and developmental stages by CVM | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a Cervical vertebral maturation (CVM) assessment | |
| 650 | 4 | |a Deep learning | |
| 650 | 4 | |a Lateral cephalogram | |
| 700 | 1 | |a Li, Haizhen |e verfasserin |4 aut | |
| 700 | 1 | |a Yuan, Lingjun |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Chao |e verfasserin |4 aut | |
| 700 | 1 | |a Xiao, Shengzhao |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Zhen |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Guoli |e verfasserin |4 aut | |
| 700 | 1 | |a Dong, Ting |e verfasserin |4 aut | |
| 700 | 1 | |a Ouyang, Ningjuan |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Lu |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Chenglong |e verfasserin |4 aut | |
| 700 | 1 | |a Feng, Yang |e verfasserin |4 aut | |
| 700 | 1 | |a Zheng, Youyi |e verfasserin |4 aut | |
| 700 | 1 | |a Xia, Lunguo |e verfasserin |4 aut | |
| 700 | 1 | |a Fang, Bing |e verfasserin |4 aut | |
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