Publication

C-Auth: Exploring the Feasibility of Using Egocentric View of Face Contour for User Authentication on Glasses.

Hyunchul Lim, Guilin Hu, Richard Jin, Hao Chen, Ryan Mao, Ruidong Zhang, and Cheng Zhang.

In Proceedings of the 2023 ACM International Symposium on Wearable Computers, pp. 6-10. 2023

D-Touch: Recognizing and Predicting Fine-grained Hand-face Touching Activities Using a Neck-mounted Wearable.

Hyunchul Lim, Ruidong Zhang, Samhita Pendyal, Jeyeon Jo, and Cheng Zhang.

In Proceedings of the 28th International Conference on Intelligent User Interfaces, pp. 569-583. 2023.

BodyTrak: Inferring Full-body Poses from Body Silhouettes Using a Miniature Camera on a Wristband.

Hyunchul Lim, Yaxuan Li, Matthew Dressa, Fang Hu, Jae Hoon Kim, Ruidong Zhang, and Cheng Zhang. 

 Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 6, no. 3 (2022): 1-21.

SpeeChin: a smart necklace for silent speech recognition.

Zhang, Ruidong, Mingyang Chen, Benjamin Steeper, Yaxuan Li, Zihan Yan, Yizhuo Chen, Songyun Tao, Tuochao Chen, Hyunchul Lim, and Cheng Zhang. 

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 5, no. 4 (2021)

Neckface: Continuously tracking full facial expressions on neck-mounted wearables.

Chen, Tuochao, Yaxuan Li, Songyun Tao, Hyunchul Lim, Mose Sakashita, Ruidong Zhang, Francois Guimbretiere, and Cheng Zhang.

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 5, no. 2 (2021)

HandyTrak: Recognizing the Holding Hand on a Commodity Smartphone from Body Silhouette Images.

Hyunchul Lim, David Lin, Jessica Tweneboah, and Cheng Zhang.

In The 34th Annual ACM Symposium on User Interface Software and Technology, pp. 1210-1220. 2021.

Leveraging smartwatches to estimate students' perceived difficulty and interest in online video lectures.

Choi, Jinhan, Jeongyun Han, Woochang Hyun, Hyunchul Lim, Sun Young Huh, SoHyun Park, and Bongwon Suh.

In Proceedings of the 11th International Conference on Education Technology and Computers, 2019.

Touch+ Finger: Extending Touch-based User Interface Capabilities with" Idle" Finger Gestures
in the Air.

Hyunchul Lim, Jungmin Chung, Changhoon Oh, SoHyun Park, Joonhwan Lee, and Bongwon Suh.

In Proceedings of the 31st Annual ACM Symposium on User Interface Software and Technology, 2018.

​

OctaRing: examining pressure-sensitive multi-touch input on a finger ring device.

Hyunchul Lim, Jungmin Chung, Changhoon Oh, SoHyun Park, and Bongwon Suh.

 In Adjunct Proceedings of the 29th Annual ACM Symposium on User Interface Software and Technology, pp. 223-224. 2016.

WhichHand: automatic recognition of a smartphone's position in the hand using a smartwatch.

Hyunchul Lim, Gwangseok An, Yoonkyong Cho, Kyogu Lee, and Bongwon Suh.

 In Proceedings of the 18th International Conference on Human-Computer Interaction with Mobile Devices and Services Adjunct, pp. 675-681. 2016.

Vi-bros: Tactile feedback for indoor navigation with a smartphone and a smartwatch.

Hyunchul Lim, YoonKyong Cho, Wonjong Rhee, and Bongwon Suh.

In Proceedings of the 33rd Annual ACM Conference Extended Abstracts on Human Factors in Computing Systems, pp. 2115-2120. 2015.

"Gangnam Mom”: A qualitative study on the information behaviors of Korean helicopter mothers.

Park, Sohyun, Hyunchul Lim, and Heekyung Choi.

iConference 2015 Proceedings (2015).