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`Biometric template explainer | Biometric Update
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`May 9, 2022, 7:16 pm EDT | Tyler Choi
`
`CATEGORIES
`
` Explaining Biometrics
`
`Biometric data is compared by
`algorithms, and therefore typically
`stored, in the form of templates. A
`biometric template is a mathematical
`representation of features or
`characteristics from the source data,
`whether a ngerprint scan, facial
`image, or voice recording. In the
`enrollment process the source data is
`collected the template is created, and
`then stored in a database as reference
`data.
`
`Matching is performed by capturing
`probe data, converting it into a
`template in the same format as the
`reference template, and then
`comparing the two templates for
`verication or identication.
`
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`1/5
`
`ASSA ABLOY Ex 1035 - Page 1
`ASSA ABLOY AB, et al. v. CPC Patent Technologies Pty Ltd.
`IPR2022-01094 - U.S. Patent No. 8,620,039
`
`

`

`7/27/23, 8:10 PM
`
`Biometric template explainer | Biometric Update
`
`Template creation often involves pre-
`processing the sample data, such as to
`enhance contrast, prior to feature
`extraction. Sample data can be
`analyzed with a quality evaluation
`algorithms, like NISTs NFIQ 2 to
`determine its tness for use in
`template creation.
`
`Hackers and thieves seek out
`biometric templates because if
`unprotected they could be used to
`impersonate the victim for access to
`valuable information or commit crime.
`In addition to the risk of being stolen
`or hacked, potential vulnerabilities
`include being replaced by an
`unauthorized template, or traced
`across various databases as a form of
`surveillance if associated with other
`personally identiable information
`and improperly secured.
`
`Templates are not images, however,
`and if properly encrypted, are
`practically impossible to reverse-
`engineer images from.
`
`Template data can be encrypted once
`it enters a database, requiring a key to
`unencrypt and return it to a readable
`format.
`
`In authentication or identity
`verication scenarios, biometric
`reference templates can be stored for
`one-to-one (1:1) matching in a
`discrete secure environment, such as
`the secure element of a user’s mobile
`device, though on-device template
`matching on its own does not provide
`assurance of a particular claimed
`identity.
`
`Additional methods and technologies
`in development or relatively new to
`the market for protecting templates
`
`Millions in biometric data privacy
`lawsuit settlements continue to pile
`up
`
`UK awards $84.4M biometric platform
`tender to IBM
`
`Augentic and IN Groupe win bid for
`Kosovo IDs amid Veridos tax evasion
`allegations
`
`Worldcoin’s digital ID-linked
`cryptocurrency hits the markets
`
`NIST meets with digital ID experts
`globally to win wide framework
`acceptance
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`Daily Biometrics News
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`ASSA ABLOY Ex 1035 - Page 2
`ASSA ABLOY AB, et al. v. CPC Patent Technologies Pty Ltd.
`IPR2022-01094 - U.S. Patent No. 8,620,039
`
`

`

`7/27/23, 8:10 PM
`
`Biometric template explainer | Biometric Update
`from theft or misuse include bio-
`hashing and template splitting.
`
`Study shows data security is key to
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`Summit MENA 2023
`Dubai: Sep 12 - Sep 13, 2023
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`More Biometrics Events
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`Article Topics
`
`biometric data  |  biometric matching
` |  biometric template  |  biometrics  | 
`data protection
`
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`Nvidia still
`involved in
`China ethnic
`surveillance
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`Friction
`cryptocurrency
`grows over
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`age-
`ID
`estimating
`enrollment
`software
`despite
`and policies
`‘potential
`for gaming
`privacy
`nightmare’
`
`NIST
`discusses
`new section
`on VCs and
`mDLs,
`timeline for
`digital ID
`updates
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`Indian
`district rolls
`out live
`facial
`recognition
`to ght
`crime wave
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`Comments
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`https://www.biometricupdate.com/202205/biometric-template-explainer
`
`3/5
`
`ASSA ABLOY Ex 1035 - Page 3
`ASSA ABLOY AB, et al. v. CPC Patent Technologies Pty Ltd.
`IPR2022-01094 - U.S. Patent No. 8,620,039
`
`

`

`7/27/23, 8:10 PM
`
`Biometric template explainer | Biometric Update
`
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`https://www.biometricupdate.com/202205/biometric-template-explainer
`
`4/5
`
`ASSA ABLOY Ex 1035 - Page 4
`ASSA ABLOY AB, et al. v. CPC Patent Technologies Pty Ltd.
`IPR2022-01094 - U.S. Patent No. 8,620,039
`
`

`

`7/27/23, 8:10 PM
`
`Biometric template explainer | Biometric Update
`
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`https://www.biometricupdate.com/202205/biometric-template-explainer
`
`5/5
`
`ASSA ABLOY Ex 1035 - Page 5
`ASSA ABLOY AB, et al. v. CPC Patent Technologies Pty Ltd.
`IPR2022-01094 - U.S. Patent No. 8,620,039
`
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