The DOI matches its Crossref record; 20 of the 20 references it cites were found in a registry or an index; 3 of the 8 sources its claims cite were checked for support.
Longitudinal Evaluation of Child Face Recognition and the Impact of Underlying Age
Open accessAbstract
The need for reliable identification of children in various emerging applications has sparked interest in leveraging child face recognition technology. This study introduces a longitudinal approach to enrollment and verification accuracy for child face recognition, focusing on the YFA (Young Face Aging) database collected by Clarkson University’s CITeR research group over an 8-year period, at 6-month intervals. The dataset includes children ranging from 3 to 18 years of age, comprising 330 subjects with an average of 6 data collections per subject. Our research aims to comprehensively evaluate the performance of state-of-the- art face-matching techniques on the YFA database, assessing the feasibility of recognizing children's faces upon initial enrollment and verifying their identity longitudinally at 6-month intervals. We conduct a comprehensive analysis of the system’s accuracy considering multiple age groups. We also investigate the temporal degradation of face recognition accuracy over time. Notably, when comparing the initial enrollment image with longitudinal images over an 8-year period, we observe a decrease in accuracy. The average TAR across all age groups is 98.52% with a FAR of 0.1% with a 2-year age verification gap and drops to 95.68 with a 4-year age gap. However, this rate decreases to 87.24% after a time difference of 6 years and further drops to 71.32% with a time difference of 8 years. The highest drop in accuracy was noticed in the age group of (3-5) years old children and the lowest in (5.5-7) years old. By addressing the challenges and opportunities in child face recognition, this research contributes significantly to the advancement of technology for identifying missing or abducted children and other critical applications requiring dependable biometric recognition in children.
Overview
AI snapshot
Written from the paper’s full text.
TL;DR
This study longitudinally evaluates child face recognition on the YFA database using MagFace, tracking verification accuracy as children age from 3 to 18 over up to 8 years. Accuracy declines with longer enrollment-verification gaps and varies by age group, with the largest drop for ages 3–5 and best performance for ages 5.5–7.
Key findings
- With MagFace at 0.1% FAR, average TAR across all age groups was 98.52% at a 2-year age verification gap, 95.68% at 4 years, 87.24% at 6 years, and 71.32% at 8 years.
- The largest accuracy decline occurred in the 3–5 age group, where TAR dropped to 63.1% for a verification age gap of 6.5–8 years; the 5.5–7 group had the highest TAR at 80.2%, while the 7.5–9 group dropped to 65.6%.
- Table 4 reports MagFace at 95.48% TAR at 0.1% FAR for the extended YFA with an 8-year longest time gap and 6-month interval; prior YFA with a 3-year gap had MagFace at 94.9%.
- Accuracy did not show consistent trends with increasing age within enrollment age groups.
Methods
- Dataset: YFA, collected by Clarkson University’s CITeR research group over 8 years at 6-month intervals; 330 subjects aged 3–18, 3,831 samples, average 6 collections per subject.
- Protocol: longitudinal enrollment and verification; any image can be enrollment, subsequent collections are verification, with increasing time intervals; subjects categorized into age brackets.
- Matcher/analysis: MagFace face-matching algorithm; performance measured as TAR at 0.1% FAR across age groups and time gaps.
Limitations
- Stated: uneven subject distribution across ages 3–18; variations in facial movement, angle, and expression; lighting inconsistencies across classroom collections; appearance differences such as glasses and caps.
- Stated: lack of demographic diversity, particularly ethnicity, limits generalizability; only MagFace was used, and other matchers or fine-tuning could change results.
- Stated: findings are from a controlled environment and may be lower in real-world scenarios due to image quality, environmental conditions, and operational constraints. Evident from text: the methodology section is fragmentary in the provided text, but the paper’s own limitations are otherwise explicit.
Model-written summary. Check it against the paper before relying on it.
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
3 of 8 cited sources checked · 2 supported · 0 flagged · accuracy not yet measured
- Premisecitation
Yau et al. demonstrated significant variations in authentication robustness between age groups.
“A study conducted by Yau et al. [18], significant variations in authentication robustness between age groups are demonstrated.”
Quote in the paperNot a substantial claim1 of 1 sources checked- cites [18] source
- Premisecitation
Bahmani et al. found a significant and consistent decline in match scores with increasing age gaps between gallery and probe images in children, even over short intervals such as 6 months.
“The research findings reveal a significant and consistent decline in match scores, with increasing age gaps between gallery and probe images in children, even over short intervals such as 6 months.”
Quote in the paperSubstantial claim1 of 1 sources checked- cites [2] source
- Premisecitation
Bahmani et al. achieved 98.3% and 94.9% TAR at 0.1% FAR over 6 and 36 months age gaps with MagFace.
“With MagFace they achieved 98.3% and 94.9% TAR at 0.1% FAR over 6 and 36 months age gaps.”
Quote in the paperSubstantial claim1 of 1 sources checked- cites [2] source
Table III (C. Face Detection and Recognition Models) reports MagFace TAR at 0.1% FAR as 98.2% at 6 months, 98.3% at 12 months, and 94.9% at 36 months. The 36-month figure matches the claim, but the claimed 6-month figure belongs to the 12-month age gap. (LLM, conf=0.90)
Experimental — accuracy not yet measured
- Findingown data
The average TAR decreases to 87.24% after a time difference of 6 years.
“However, this rate decreases to 87.24% after a time difference of 6 years”
Quote in the paperSubstantial claim - Findingown data
The lowest drop in accuracy was in the age group of (5.5-7) years old.
“and the lowest in (5.5-7) years old.”
Quote in the paperNot a substantial claim
- Findingown data
MagFace achieves 95.48% TAR at 0.1% FAR on the extended YFA database with an 8-year time gap and 6-month interval.
“Ours -YFA extended | 8 years | 6 months | TAR at 0.1% FAR | MagFace: 95.48”
Quote in the paperSubstantial claim - Findingnone given
The Young Face Aging (YFA) database contains face images of children captured at 6-month intervals from 2016 to November 2023 for children from 3 to 18 years of age.
“The Young Face Aging (YFA) database contains face images of children captured at 6-month intervals from 2016 to November 2023 for children from 3 to 18 years of age.”
Quote in the paperSubstantial claim - Findingown data
The highest drop in accuracy was in the age group of (3-5) years old children.
“The highest drop in accuracy was noticed in the age group of (3-5) years old children”
Quote in the paperNot a substantial claim - Findingown data
The average TAR across all age groups drops to 95.68% with a 4-year age gap.
“and drops to 95.68 with a 4-year age gap.”
Quote in the paperSubstantial claim - Findingown data
The accuracy performance does not exhibit consistent trends with increasing age within enrollment age groups.
“the accuracy performance does not exhibit consistent trends”
Quote in the paperSubstantial claim - Findingown data
For the (7.5-9) age group, accuracy drops to 65.6%.
“for the (7.5-9) age group, with accuracy dropping to 65.6%.”
Quote in the paperSubstantial claim - Findingown data
The average TAR further drops to 71.32% with a time difference of 8 years.
“and further drops to 71.32% with a time difference of 8 years.”
Quote in the paperSubstantial claim - Findingown data
When comparing the initial enrollment image with longitudinal images over an 8-year period, accuracy decreases.
“Notably, when comparing the initial enrollment image with longitudinal images over an 8-year period, we observe a decrease in accuracy.”
Quote in the paperSubstantial claim - Findingown data
There is a slight uptick in accuracy observed in the subsequent age groups.
“Interestingly, there is a slight uptick in accuracy observed”
Quote in the paperNot a substantial claim - Premisecitation
Aging presents an unavoidable aspect that cannot be controlled during the image capture process, unlike factors such as lighting or pose.
“Unlike factors such as lighting or pose that contribute to variability within an identity, aging presents an unavoidable aspect that cannot be controlled during the image capture process [8].”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites [8] Huang, 2014, Labeled faces in the wild: Updates and new reporting procedures
- Premisecitation
Aging in biometric features results in performance degradation for biometric recognition systems.
“Aging in biometric features results in performance degradation for biometric recognition systems [9].”
Quote in the paperSubstantial claim0 of 1 sources checked- cites [9] source
- Premisecitation
Contemporary FR systems experience a significant decrease in accuracy exceeding 10% when confronted with substantial age disparities during evaluation.
“These systems experience a significant decrease in accuracy exceeding 10% when confronted with substantial age disparities during evaluation [20].”
Quote in the paperSubstantial claim0 of 1 sources checked- cites [20] Zheng, 2017, Cross-age lfw: A database for studying cross-age face recognition in unconstrained environments source
Checked before — its earlier verdict is held back until a new check runs.
- It may state two separate claims as one. 7
- Probably not a substantial claim. 4
It may state two separate claims as one.
Findingnone givenThe YFA dataset covers ages 3-18 and increases in time between enrollment and verification for 6-month increments up to 8 years.
“YFA covers ages 3-18, as well as increases in time between enrollment and verification for 6month increments up to 8 years.”
Quote in the paperSubstantial claimIt may state two separate claims as one.
Findingown dataPrevious research utilized the YFA database with collection periods of up to 3 years, whereas this study expanded the database to include collection periods of up to 8 years.
“Previous research utilized the YFA database with collection periods of up to 3 years, whereas we expanded our database to include collection periods of up to 8 years.”
Quote in the paperSubstantial claimIt may state two separate claims as one.
Findingown dataThe YFA dataset includes 330 subjects with an average of 6 data collections per subject.
“The dataset includes children ranging from 3 to 18 years of age, comprising 330 subjects with an average of 6 data collections per subject.”
Quote in the paperSubstantial claimIt may state two separate claims as one.
Findingown dataThe average TAR across all age groups is 98.52% with a FAR of 0.1% with a 2-year age verification gap.
“The average TAR across all age groups is 98.52% with a FAR of 0.1% with a 2-year age verification gap”
Quote in the paperSubstantial claimProbably not a substantial claim. The paper’s conclusions may not depend on it.
Study design and conductnone givenThere are inconsistencies in lighting across collections.
“However, there are still inconsistencies in lighting across collections.”
Quote in the paperNot a substantial claimProbably not a substantial claim. The paper’s conclusions may not depend on it.
Study design and conductnone givenDisparities in subjects' appearance, such as some wearing glasses and caps, complicate the recognition process.
“Moreover, disparities in subjects' appearance, such as some wearing glasses and caps, further complicate the recognition process.”
Quote in the paperNot a substantial claimProbably not a substantial claim. The paper’s conclusions may not depend on it. It may state two separate claims as one.
PremisecitationSiddiqui et al.'s CNN architecture achieves a rank-1 identification accuracy of 62.7% for single gallery newborn face recognition and 85.1% for single gallery toddler FR.
“The CNN architecture proposed in the study achieves a rank-1 identification accuracy of 62.7% for single gallery newborn face recognition and 85.1% for single gallery toddler FR.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites [15] source
It may state two separate claims as one.
PremisecitationDeb et al. found that the accuracy of face recognition decreases over time, with 83.77% TAR at 0.1% FAR with a 1-year time-lapse, decreasing to 59.80% TAR after 3 years.
“In this study, the researchers found out that the accuracy of face recognition decreases over time.Initially, they achieved an accuracy of 83.77% True Acceptance Rate (TAR) and 0.1% False Acceptance Rate (FAR) with a 1-year time-lapse, but this decreased to 59.80% TAR after 3 years.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites [6] source
It may state two separate claims as one.
Study design and conductnone givenThe distribution of subjects within the 3 to 18 years age range is uneven, potentially impacting the generalizability of findings.
“Although the study encompasses children aged 3 to 18 years, the distribution of subjects within this age range is uneven, potentially impacting the generalizability of findings.”
Quote in the paperNot a substantial claimProbably not a substantial claim. The paper’s conclusions may not depend on it.
Study design and conductnone givenVariations in facial movement, angle, and facial expressions were present despite attempts to control quality factors.
“While the collectors attempted to control various quality factors, variations in facial movement, angle, and facial expressions were present.”
Quote in the paperNot a substantial claim
The paper relies on this without support.
There is a growing demand for reliable identification of children across various applications.
“In recent years, there has been a growing demand for reliable identification of children across various applications, including missing children, border security, humanitarian, and health care.”
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
Each contradiction between two passages listed here was confirmed by an independent check.
NITL's longest gap exceeds its collection period
MinorTable 1 gives NITL a collection period of 1 year, but Table 4 reports a longest time gap of 2 years for the same dataset.
“| NITL [3] | 314 | 3,144 | Wild | 0-4 years | 6 Months | 1 Years |”
“| NITL [3] | 2 years | 1 year | TAR at 0.1% FAR | COTS: 60.94 |”
Citations
Cites
FaceNet: A unified embedding for face recognition and clustering
Schroff, F., Kalenichenko, D., & Philbin, J. (2015) · 2015 IEEE Conference on Computer Vision and Pattern Recognition (CVPR) · doi:10.1109/cvpr.2015.7298682 · Cited by 15,267
ArcFace: Additive Angular Margin Loss for Deep Face Recognition
Deng, J., Guo, J., Xue, N., & Zafeiriou, S. (2019) · 2019 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) · doi:10.1109/cvpr.2019.00482 · Cited by 7,781
Joint Face Detection and Alignment Using Multitask Cascaded Convolutional Networks
Zhang, K., Zhang, Z., Li, Z., & Qiao, Y. (2016) · IEEE Signal Processing Letters · doi:10.1109/lsp.2016.2603342 · Cited by 6,214
Parkhi, O. M., Vedaldi, A., & Zisserman, A. (2015) · Procedings of the British Machine Vision Conference 2015 · doi:10.5244/c.29.41 · Cited by 5,479
VGGFace2: A Dataset for Recognising Faces across Pose and Age
Cao, Q., Shen, L., Xie, W., Parkhi, O. M., & Zisserman, A. (2018) · 2018 13th IEEE International Conference on Automatic Face & Gesture Recognition (FG 2018) · doi:10.1109/fg.2018.00020 · Cited by 3,032
AgeDB: The First Manually Collected, In-the-Wild Age Database
Moschoglou, S., Papaioannou, A., Sagonas, C., Deng, J., Kotsia, I., & Zafeiriou, S. P. (2017) · IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) · doi:10.1109/cvprw.2017.250 · Cited by 850
MORPH: A Longitudinal Image Database of Normal Adult Age-Progression
Ricanek, K., & Tesafaye, T. (2006) · 7th International Conference on Automatic Face and Gesture Recognition (FGR06) · doi:10.1109/fgr.2006.78 · Cited by 778
MagFace: A Universal Representation for Face Recognition and Quality Assessment
Meng, Q., Zhao, S., Huang, Z., & Zhou, F. (2021) · IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · doi:10.1109/cvpr46437.2021.01400 · Cited by 722
VGGFace2: A dataset for recognising faces across pose and agePreprint
Cao, Q., Shen, L., Xie, W., et al. (2017) · arXiv (Cornell University) · doi:10.48550/arxiv.1710.08092 · Cited by 192
Face.evoLVe: A cross-platform library for high-performance face analytics
Wang, Q., Zhang, P., Xiong, H., & Zhao, J. C. (2022) · Neurocomputing · doi:10.48550/arxiv.2107.08621 · Cited by 84
A survey of the effects of aging on biometric identity verification
Lanitis, A. (2010) · International Journal of Biometrics · doi:10.1504/ijbm.2010.030415 · Cited by 75
Longitudinal Study of Child Face Recognition
Deb, D., Nain, N., & Jain, A. K. (2018) · 2018 International Conference on Biometrics (ICB) · doi:10.1109/icb2018.2018.00042 · Cited by 73
Face Recognition Algorithm Bias: Performance Differences on Images of Children and Adults
Srinivas, N., Ricanek, K., Michalski, D., Bolme, D. S., & King, M. C. (2019) · IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) · doi:10.1109/cvprw.2019.00280 · Cited by 66
Automatic Face Recognition of Newborns, Infants, and Toddlers: A Longitudinal Evaluation
Best-Rowden, L., Hoole, Y. Y. R., & Jain, A. K. (2016) · International Conference of the Biometrics Special Interest Group (BIOSIG) · doi:10.1109/biosig.2016.7736912 · Cited by 45
Face Recognition for Newborns, Toddlers, and Pre-School Children: A Deep Learning Approach
Siddiqui, S., Vatsa, M., & Singh, R. (2018) · 2018 24th International Conference on Pattern Recognition (ICPR) · doi:10.1109/icpr.2018.8545742 · Cited by 19
Face Recognition in Children: A Longitudinal Study
Bahmani, K., & Schuckers, S. (2022) · International Workshop on Biometrics and Forensics · doi:10.48550/arxiv.2204.01760 · Cited by 18
Self-citationFace Recognition in Children: A Longitudinal Study
Bahmani, K., & Schuckers, S. (2022) · 2022 International Workshop on Biometrics and Forensics (IWBF) · doi:10.1109/iwbf55382.2022.9794551 · Cited by 15
Self-citationLongitudinal Analysis of Mask and No-Mask on Child Face Recognition
Chandaliya, P. K., Akhtar, Z., & Nain, N. (2022) · Indian Conference on Computer Vision, Graphics and Image Processing · doi:10.1145/3571600.3571659 · Cited by 12
Yao, W., Farooq, M. A., Lemley, J., & Corcoran, P. (2023) · IEEE Access · doi:10.1109/access.2023.3312612 · Cited by 8
Cross-Age LFW: A Database for Studying Cross-Age Face Recognition in Unconstrained Environments
Zheng, T., Deng, W., & Hu, J. (2017) · arXiv · doi:10.48550/arxiv.1708.08197
Flagged first, then by citations
Research works printed but not linked: 2
- ISO iso/iec tr 19795-3:2007), information technology biometric performance testing and reporting
- Huang, 2014, Labeled faces in the wild: Updates and new reporting procedures, 14
Cited by
Sorted by citations
OcularAge: A Comparative Study of Iris and Periocular Images for Pediatric Age Estimation
Venkataswamy, N. G., Ravi, P., Schuckers, S., & Imtiaz, M. H. (2025) · IEEE Access · doi:10.1109/access.2025.3592879 · Cited by 3
Self-citationHossain, A., & Schuckers, S. (2025) · International Conference on Automatic Face and Gesture Recognition · doi:10.1109/fg61629.2025.11099214 · Cited by 1
Self-citationMitigating Longitudinal Performance Degradation in Child Face Recognition Using Synthetic Data
Hossain, A., & Schuckers, S. (2026) · IEEE/CVF Winter Conference on Applications of Computer Vision Workshops (WACVW) · doi:10.1109/wacvw68408.2026.00107 · Cited by 1
Self-citationShankarappa, S. B., & Janathakal, R. (2025) · International Conference on Sustainable Computing and Smart Systems (ICSCSS) · doi:10.1109/icscss64956.2025.11500724
RCF-Net: Degradation-Aware Hybrid CNN–Transformer for Child Face Identification in Surveillance
Arora, R., Pandey, A., & Kaur, N. (2026) · International Conference on Sustainable Computing and Smart Systems (ICSCSS) · doi:10.1109/icscss69635.2026.11645684
Metadata
- Authors
- Singh, S., Bahmani, K., & Schuckers, S.
- Affiliations
- Clarkson University (US)
- Venue
- 2024 IEEE International Joint Conference on Biometrics (IJCB)
- Publisher
- IEEE
- Published
- 2024-09-15
- Pages
- 1-9
- OpenAlex
- W4404238897
- Semantic Scholar
- d49cc7f2f641395a0b4ce1f33179d3745b7afc35
- Cited by
- 5
- References
- 18
- Citations by year
- 2026: 2 · 2025: 3
- FWCI
- 0.72
- Type
- conference paper
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- IEEE International Joint Conference on Biometrics (IJCB) (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- arXiv (Cornell University)
- Topics
- Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Face recognition and analysis
- Physical Sciences › Computer Science › Signal Processing › Biometric Identification and Security
- Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Face and Expression Recognition
- Keywords
- facial aging, face verification, face matching, age groups, biometric identification
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