Bangjie Sun

Bangjie Sun

A passionate researcher in computer vision, and sensing systems. Currently pursuing my Ph.D. and working as a graduate tutor in National University of Singapore.

Publications

CAMPrints: Leveraging the “Fingerprints” of Digital Cameras to Combat Image Theft

Published in The 23rd ACM International Conference on Mobile Systems, Applications, and Services (MobiSys '25), 2025

Bangjie Sun, Mun Choon Chan, and Jun Han. 2025. CAMPrints: Leveraging the “Fingerprints” of Digital Cameras to Combat Image Theft. In The 23rd Annual International Conference on Mobile Systems, Applications and Services (MobiSys ’25), June 23–27, 2025, Anaheim, CA, USA. ACM, New York, NY, USA, 14 pages.

PowDew: Detecting Counterfeit Powdered Food Products using a Commodity Smartphone

Published in MOBISYS '24: Proceedings of the 22nd Annual International Conference on Mobile Systems, Applications and Services, 2024

Jonghyuk Yun, Kyoosik Lee, Kichang Lee, Bangjie Sun, Jaeho Jeon, Jeonggil Ko, Inseok Hwang, and Jun Han. 2024. PowDew: Detecting Counterfeit Powdered Food Products using a Commodity Smartphone. In Proceedings of the 22nd Annual International Conference on Mobile Systems, Applications and Services (MOBISYS ‘24). Association for Computing Machinery, New York, NY, USA, 210–222. Acceptance Rate: 16.3% (43 of 263). Best Paper Award [paper]

Testing Masks and Air Filters With Your Smartphones

Published in SenSys '23: Proceedings of the 21st ACM Conference on Embedded Networked Sensor Systems, 2023

Bangjie Sun, Kanav Sabharwal, Gyuyeon Kim, Mun Choon Chan, and Jun Han. 2023. Testing Masks and Air Filters with Your Smartphones. In The 21st ACM Conference on Embedded Networked Sensor Systems (SenSys ’23), November 12–17, 2023, Istanbul, Turkiye. ACM, New York, NY, USA, 15 pages. Acceptance Rate: 18.9% (34 of 179). [paper] [slides]

Detecting Counterfeit Liquid Food Products in a Sealed Bottle Using a Smartphone Camera

Published in MobiSys '22: Proceedings of the 20th Annual International Conference on Mobile Systems, Applications and Services, 2022

Bangjie Sun, Sean Rui Xiang Tan, Zhiwei Ren, Mun Choon Chan and Jun Han. 2022. Detecting Counterfeit Liquid Food Products in a Sealed Bottle Using a Smartphone Camera. In The 20th Annual International Conference on Mobile Systems, Applications and Services (MobiSys ’22), June 25–July 1, 2022, Portland, OR, USA. ACM, New York, NY, USA, 14 pages. Acceptance Rate: 21.6% (38 of 176). Best Poster Award [paper] [project website]

LAPD: Hidden Spy Camera Detection using Smartphone Time-of-Flight Sensors

Published in SenSys '21: Proceedings of the 19th ACM Conference on Embedded Networked Sensor Systems, 2021

Sriram Sami, Sean Rui Xiang Tan, Bangjie Sun, and Jun Han. 2021. LAPD: Hidden Spy Camera Detection using Smartphone Time-of-Flight Sensors. In Proceedings of the 19th ACM Conference on Embedded Networked Sensor Systems (SenSys ‘21). Association for Computing Machinery, New York, NY, USA, 288–301. Acceptance Rate: 17.9% (25 of 139). Most downloaded paper across all years of ACM SenSys. [paper] [repo]

EyeClouds: A Visualization and Analysis Tool for Exploring Eye Movement Data

Published in Proceedings of the 12th International Symposium on Visual Information Communication and Interaction, 2019

Michael Burch, Alberto Veneri, and Bangjie Sun. 2019. EyeClouds: A Visualization and Analysis Tool for Exploring Eye Movement Data. In Proceedings of the 12th International Symposium on Visual Information Communication and Interaction (VINCI’2019). Association for Computing Machinery, New York, NY, USA, Article 8, 1–8. [paper]