Iljoo Kim

schoolSamsungbar_chart#4396 Global Rank

Total Papers

HCI Rank

#4396

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Years Active

Recent Publications

SkullID: Through-Skull Sound Conduction based Authentication for Smartglasses

This paper investigates the use of through-skull sound conduction to authenticate smartglass users. We mount a surface transducer on the right mastoid process to play cue signals and capture skull-transformed audio responses through contact microphones on various skull locations. We use the resultant bio-acoustic info…

UBICOMP '233rd AuthorPasswords & Authentication +1

On the Long-Term Effects of Continuous Keystroke Authentication: Keeping User Frustration Low through Behavior Adaptation

"One of the main challenges in deploying a keystroke dynamics-based continuous authentication scheme on smartphones is ensuring low error rates over time. Unstable false rejection rates (FRRs) would lead to frequent phone locks during long-term use, and deteriorating attack detection rates would jeopardize its securit…

CHI '194th AuthorIntelligent Voice Assistants (Alexa, Siri, etc.) +2

Voice Presentation Attack Detection through Text-Converted Voice Command Analysis

Voice assistants are quickly being upgraded to support advanced, security-critical commands such as unlocking devices, checking emails, and making payments. In this paper, we explore the feasibility of using users' text-converted voice command utterances as classification features to help identify users' genuine comma…

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