Benchmarking human face similarity using identical twins

Abstract The problem of distinguishing identical twins and non‐twin look‐alikes in automated facial recognition (FR) applications has become increasingly important with the widespread adoption of facial biometrics. Due to the high facial similarity of both identical twins and look‐alikes, these face...

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Main Authors: Shoaib Meraj Sami, John McCauley, Sobhan Soleymani, Nasser Nasrabadi, Jeremy Dawson
Format: Article
Language:English
Published: Wiley 2022-09-01
Series:IET Biometrics
Subjects:
Online Access:https://doi.org/10.1049/bme2.12090
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author Shoaib Meraj Sami
John McCauley
Sobhan Soleymani
Nasser Nasrabadi
Jeremy Dawson
author_facet Shoaib Meraj Sami
John McCauley
Sobhan Soleymani
Nasser Nasrabadi
Jeremy Dawson
author_sort Shoaib Meraj Sami
collection DOAJ
description Abstract The problem of distinguishing identical twins and non‐twin look‐alikes in automated facial recognition (FR) applications has become increasingly important with the widespread adoption of facial biometrics. Due to the high facial similarity of both identical twins and look‐alikes, these face pairs represent the hardest cases presented to facial recognition tools. This work presents an application of one of the largest twin data sets compiled to date to address two FR challenges: (1) determining a baseline measure of facial similarity between identical twins and (2) applying this similarity measure to determine the impact of doppelgangers, or look‐alikes, on FR performance for large face data sets. The facial similarity measure is determined via a deep convolutional neural network. This network is trained on a tailored verification task designed to encourage the network to group together highly similar face pairs in the embedding space and achieves a test AUC of 0.9799. The proposed network provides a quantitative similarity score for any two given faces and has been applied to large‐scale face data sets to identify similar face pairs. An additional analysis that correlates the comparison score returned by a facial recognition tool and the similarity score returned by the proposed network has also been performed.
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publishDate 2022-09-01
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series IET Biometrics
spelling doaj-art-1910a4e7bc11414eab0ae761191d15372025-02-03T01:29:39ZengWileyIET Biometrics2047-49382047-49462022-09-0111545948410.1049/bme2.12090Benchmarking human face similarity using identical twinsShoaib Meraj Sami0John McCauley1Sobhan Soleymani2Nasser Nasrabadi3Jeremy Dawson4Lane Department of Computer Science and Electrical Engineering West Virginia University Morgantown West Virginia USALane Department of Computer Science and Electrical Engineering West Virginia University Morgantown West Virginia USALane Department of Computer Science and Electrical Engineering West Virginia University Morgantown West Virginia USALane Department of Computer Science and Electrical Engineering West Virginia University Morgantown West Virginia USALane Department of Computer Science and Electrical Engineering West Virginia University Morgantown West Virginia USAAbstract The problem of distinguishing identical twins and non‐twin look‐alikes in automated facial recognition (FR) applications has become increasingly important with the widespread adoption of facial biometrics. Due to the high facial similarity of both identical twins and look‐alikes, these face pairs represent the hardest cases presented to facial recognition tools. This work presents an application of one of the largest twin data sets compiled to date to address two FR challenges: (1) determining a baseline measure of facial similarity between identical twins and (2) applying this similarity measure to determine the impact of doppelgangers, or look‐alikes, on FR performance for large face data sets. The facial similarity measure is determined via a deep convolutional neural network. This network is trained on a tailored verification task designed to encourage the network to group together highly similar face pairs in the embedding space and achieves a test AUC of 0.9799. The proposed network provides a quantitative similarity score for any two given faces and has been applied to large‐scale face data sets to identify similar face pairs. An additional analysis that correlates the comparison score returned by a facial recognition tool and the similarity score returned by the proposed network has also been performed.https://doi.org/10.1049/bme2.12090facial similarityfacial recognitionidentical twinslook‐alikes
spellingShingle Shoaib Meraj Sami
John McCauley
Sobhan Soleymani
Nasser Nasrabadi
Jeremy Dawson
Benchmarking human face similarity using identical twins
IET Biometrics
facial similarity
facial recognition
identical twins
look‐alikes
title Benchmarking human face similarity using identical twins
title_full Benchmarking human face similarity using identical twins
title_fullStr Benchmarking human face similarity using identical twins
title_full_unstemmed Benchmarking human face similarity using identical twins
title_short Benchmarking human face similarity using identical twins
title_sort benchmarking human face similarity using identical twins
topic facial similarity
facial recognition
identical twins
look‐alikes
url https://doi.org/10.1049/bme2.12090
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AT sobhansoleymani benchmarkinghumanfacesimilarityusingidenticaltwins
AT nassernasrabadi benchmarkinghumanfacesimilarityusingidenticaltwins
AT jeremydawson benchmarkinghumanfacesimilarityusingidenticaltwins