Publications

Kai Yue, Richeng Jin, Ryan Pilgrim, Chau-Wai Wong, Dror Baron, Huaiyu Dai, “Neural tangent kernel empowered federated learning,” International Conference on Machine Learning (ICML’22), 17–23 July 2022, Baltimore, MD 2022. (arXiv) (PMLR) (News) (Poster)

Kai Yue, Richeng Jin, Chau-Wai Wong, Dror Baron, and Huaiyu Dai, “Gradient obfuscation gives a false sense of security in federated learning,” under review for conference publication., , 2022. (arXiv)

Timothy Holder, Mushfiqur Rahman, Emily Summers, David Roberts, Chau-Wai Wong, and Alper Bozkurt, “Contact-free simultaneous sensing of human heart rate and canine breathing rate for animal assisted interactions,” ACM International Conference on Animal–Computer Interaction, 5–8 Dec. 2022, to appear., Newcastle upon Tyne, UK 2022.

Mingliang Chen, Ashira Jayaweera, Chau-Wai Wong, and Min Wu, “Identity-privacy protection for facial-rPPG based smart health research,” under review for journal publication, , 2022. (TechRxiv)

Mahmoud Abdelkhalek, Dror Baron, and Chau-Wai Won, “Mismatched estimation in the distance geometry problem (invited paper),” Asilomar Conference on Signals, Systems, and Computers (Asilomar’22), 3 Oct.–2 Nov. 2022, under review, Pacific Grove, CA 2022. (arXiv)

Priyank Kashyap, Yongjin Choi, Sumon Dey, Dror Baron, Chau-Wai Wong, Tianfu Wu, Chris Cheng, and Paul Franzon, “Modeling of adaptive receiver performance using generative adversarial networks,” IEEE 72nd Electronic Components and Technology Conference (ECTC), 31 May–3 Jun. 2022., San Diego, CA 2022. (Slides) (Postprint) (IEEE Xplore)

Adi Hajj-Ahmad, Chau-Wai Wong, Jisoo Choi, and Min Wu, “Power signature for multimedia forensics,” in Multimedia Forensics (part of the Advances in Computer Vision and Pattern Recognition book series), Husrev Taha Sencar, Luisa Verdoliva, Nasir Memon, Ed. Springer: Springer, 2022, pp. 235–280., 2022. (PDF)

Kai Yue, Richeng Jin, Chau-Wai Wong, Huaiyu Dai, “Communication-efficient federated learning via predictive coding,” IEEE Journal of Selected Topics in Signal Processing, vol. 16, no. 3, pp. 369-380, Apr. 2022., 2022. (News) (News NC State) (News) (arXiv) (IEEE Xplore)

Xin Tian, Chau-Wai Wong, Sushant M. Ranadive, Min Wu, “A multi-channel ratio-of-ratios method for noncontact hand video based SpO2 monitoring using smartphone cameras,” IEEE Journal of Selected Topics in Signal Processing, vol. 16, no. 2, pp. 197-207, Feb. 2022., 2022. (arXiv) (IEEE Xplore)

Kai Yue, Richeng Jin, Chau-Wai Wong, and Huaiyu Dai, “Federated learning via plurality vote,” under review for journal publication., , 2022. (arXiv)

Joshua Mathew, Xin Tian, Chau-Wai Wong, Simon Ho, Donald K. Milton, and Min Wu, “Remote blood oxygen estimation from videos using neural networks,” under review for journal publication., , 2022. (arXiv)

Priyank Kashyap, Archit Gajjar, Yongjin Choi, Chau-Wai Wong, Dror Baron, Tianfu Wu, Chris Cheng, and Paul Franzon, “RxGAN: Modeling high-speed receiver through generative adversarial networks,” ACM/IEEE Workshop on Machine Learning for CAD (MLCAD), Sept. 12–13, 2022, to appear., Snowbird, UT 2022.

Ritesh Goenka, Shu-Jie Cao, Chau-Wai Wong, Ajit Rajwade, and Dror Baron, “Contact tracing information improves the performance of group testing,” under preparation for journal submission., , 2022. (arXiv)

Runze Liu, Chau-Wai Wong, and Huaiyu Dai, “Individualized deepfake detection exploiting traces due to double neural-network operations,” under preparation for journal submission., , 2022.

Qiang Zhu, Xin Tian, Chau-Wai Wong, and Min Wu, “Learning your heart actions from pulse: ECG waveform reconstruction from PPG,” IEEE Internet of Things Journal, vol. 8, no. 23, pp. 16734–16748, Dec. 2021., 2021. (bioRxiv) (IEEE Xplore)

John P. Efromson, Thomas J.J. Doman, Maxwell Zheng, Ron Appel, Mark Harfouche, Gregor Horstmeyer, Roarke Horstmeyer, and Chau-Wai Wong, “Machine learning controlled zebrafish assay pipeline enabled by developmental classification and a wide field-of-view gigapixel microscope,” Zebrafish Disease Models Society Conference, 11–14 Oct. 2021., Durham, NC 2021. (Video) (Poster)

Priyank Kashyap, W. Shepherd Pitts, Dror Baron, Chau-Wai Wong, Tianfu Wu, Paul D. Franzon, “High speed receiver modeling using generative adversarial networks,” 30th IEEE Conference on Electrical Performance of Electronic Packaging and Systems (EPEPS’21), 17–20 Oct. 2021., 2021. (Postprint)

Jiele Wu, Chau-Wai Wong, Xinyan Zhao, and Xianpeng Liu, “Toward effective automated content analysis via crowdsourcing,” IEEE International Conference on Multimedia and Expo (ICME’21), 5–9 Jul. 2021., Shenzhen, China 2021. (IEEE Xplore) (Video) (Slides) (arXiv)

John Efromson,* Thomas Jedidiah Doman, Mark Harfouche, and Chau-Wai Wong, “Automated high-throughput classification of zebrafish developmental stages using a wide field-of-view gigapixel microscope and neural network,” 16th International Zebrafish Conference, 16–22 Jun. 2021. (* MS student of ’21 Spring ECE 301 Linear Systems class.), 2021. (Video) (Poster)

Ritesh Goenka*, Shu-Jie Cao* (equal contributions), Chau-Wai Wong, Ajit Rajwade, and Dror Baron, “Contact tracing enhances the efficiency of COVID-19 group testing,” IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP’21), 6–11 Jun. 2021, Toronto, Canada 2021. (arXiv) (Supplemental) (Preprint) (Poster) (Video) (Slides) (IEEE Xplore)

Runze Liu and Chau-Wai Wong, “On microstructure estimation using flatbed scanners for paper surface based authentication,” IEEE Transactions on Information Forensics and Security (T-IFS), vol. 16, pp. 3039–3053, Apr. 2021., 2021. (Slides) (arXiv) (IEEE Xplore)

[I1] Runze Liu, Chau-Wai Wong, and Huaiyu Dai, “Modeling the nonsmoothness of modern neural networks,” arXis, , . (arXis)

Ritesh Goenka, Shu-Jie Cao, Chau-Wai Wong, Ajit Rajwade, and Dror Baron, “Contact tracing enhances the efficiency of COVID-19 group testing (abstract),” 55th Annual Conference on Information Sciences and Systems (CISS’21), 24–26 Mar. 2021., Baltimore, MD 2021. (Video) (arXiv) (Slides)

Qiang Zhu, Mingliang Chen, Chau-Wai Wong, and Min Wu, “Adaptive multi-trace carving for robust frequency tracking in forensic applications,” IEEE Transactions on Information Forensics and Security (T-IFS), vol. 16, pp. 1174–1189, Oct. 2020., 2020. (arXiv) (IEEE Xplore)

Min Wu and Chau-Wai Wong, “Counterfeit detection scheme using paper surfaces and mobile cameras,” U.S. Patent 10 726 256, Jul. 28, 2020., 2020.

C. Chen, F. Zhang, Q. Xu, B. Wang, C. Wu, H. Zhang, Chau-Wai Wong, D. N. Claffey, C.-I Chen, H.-Q. D. Lai, Z.-H. Wu, M. Wu, Y. Han, O. C.-L. Au, K.J. R. Liu, “Method, apparatus, server and system for vital sign detection and monitoring,” U.S. Patent 10 735 298, Aug. 4, 2020., 2020.

H.-Q. D. Lai, D. N. Claffey, C. Chen, F. Zhang, C. Wu, Chau-Wai Wong, B. Wang, O. C.-L. Au, K.J. R. Liu, “Method, apparatus, and system for object tracking and sensing using broadcasting,” U.S. Patent 10 742 475, Aug. 11, 2020, 2020.

Xianpeng Liu and Chau-Wai Wong, “Video-based wetting detection for blended fabrics,” Asilomar Conference on Signals, Systems, and Computers (Asilomar’19), 3–6 Nov. 2019., Pacific Grove, CA 2019. (Demo) (Poster) (Postprint)

Qiang Zhu, Mingliang Chen, Min Wu, Chau-Wai Wong, “Methods and apparatus for tracking weak signal traces,” Patent Application, filed Sept. 2019., 2019.

Qiang Zhu, Xin Tian, Chau-Wai Wong, and Min Wu, “ECG reconstruction via PPG: A pilot study,” IEEE International Conference on Biomedical and Health Informatics (BHI’19), 19–22 May, 2019., Chicago, IL 2019. (Slides) (arXiv) (IEEE Xplore)

Jisoo Choi and Chau-Wai Wong,, “ENF signal extraction for rolling-shutter videos using periodic zero-padding,” IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP’19), 12–17 May 2019., Brighton, UK 2019. (Postprint) (Poster) (IEEE Xplore)

Chau-Wai Wong, “Efficient video data structure and compression scheme for fabric wicking phenomenon studies (Invited paper),” IEEE International Conference on Multimedia Information Processing and Retrieval (MIPR’19), 28–30 Mar. 2019., San Jose, CA 2019. (Slides) (Postprint) (IEEE Xplore)

Adi Hajj-Ahmad, Chau-Wai Wong, Steven Gambino, Qiang Zhu, Miao Yu, and Min Wu, “Factors affecting ENF capture in audio,,” IEEE Transactions on Information Forensics and Security (T-IFS),, vol.14, no.2, pp.277–288, Feb. 2019, 2019. (Poster) (IEEE Xplore)

Q. Xu, F. Zhang, C. Chen, B. Wang, C. Wu, H. Zhang, Chau-Wai Wong, D. N. Claffey, C.-I Chen, H.-Q. D. Lai, Z.-H. Wu, M. Wu, Y. Han, O. C.-L. Au, K. J. R. Liu, “Apparatus, systems and methods for event recognition based on a wireless signal,,” U.S. Patent 10 374 863, Aug. 6, 2019., 2019.

F. Zhang, C. Chen, Q. Xu, B. Wang, C. Wu, H. Zhang, Chau-Wai Wong, D. N. Claffey, C.-I Chen, H.-Q. D. Lai, Z.-H. Wu, M. Wu, Y. Han, O. C.-L. Au, K. J. R. Liu, “Apparatus, systems and methods for fall-down detection based on a wireless signal,” U.S. Patent 10 397 039, Aug. 27, 2019., 2019.

F. Zhang, C. CHEN, Q. Xu, B. Wang, C. Wu, H. Zhang, Chau-Wai Wong, D. N. Claffey, C.-I Chen, H.-Q. D. Lai, Z.-H. Wu, M. Wu, Y. Han, O. C.-L. Au, K.J. R. Liu, “Method, apparatus, server and system for real-time vital sign detection and monitoring,” U.S. Patent 10 495 725, Dec. 3, 2019., 2019.

F. Zhang, H.-Q. D. Lai, C.-I Chen, Chau-Wai Wong, B. Wang, C. Chen, O. C.-L. Au, Y. Han, K. J. R. Liu, “Method, apparatus, and system for object tracking and navigation,” U.S. Patent 10 270 642, Apr. 23, 2019., 2019.

Runze Liu, Chau-Wai Wong, and Min Wu, “Enhanced geometric reflection models for paper surface based authentication,” IEEE International Workshop on Information Forensics and Security (WIFS’18), 11–13 Dec. 2018., Hong Kong 2018. (Postprint) (Slides) (IEEE Xplore)

Qiang Zhu, Mingliang Chen, Chau-Wai Wong, and Min Wu, “Adaptive multi-trace carving based on dynamic programming,” Asilomar Conference on Signals, Systems, and Computers (Asilomar’18), 28–31 Oct. 2018., Pacific Grove, CA 2018. (IEEE Xplore) (Poster)

Guan-Ming Su, Chau-Wai Wong, Hsuan-Ting Chou, and Navaneeth Kamballur-Kottayil, “Signal reshaping approximation,” U.S. Patent 10 080 026, Sept. 18, 2018., 2018.

Min Wu, Chau-Wai Wong, Qiang Zhu, Chang-Hong Fu, and Jiahao Su,, “Heart rate measurement for fitness exercises using video,” PCT/US2018/051342, filed Sept. 2018., 2018.

Xinyan Zhao, Bo Yang, and Chau-Wai Wong, “Analyzing Trend for U.S. Immigrants’ E-Health Engagement from 2008 to 2013,” Health Communication, May 2018., 2018. (Taylor & Francis Online)

Chau-Wai Wong, Adi Hajj-Ahmad, and Min Wu, “Invisible geo-location signature in a single image,” IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP’18), 15–20 Apr. 2018., Calgary, Alberta, Canada 2018. (Proof) (Postprint) (Slides)

Xinyan Zhao, Mengqi Zhan, and Chau-Wai Wong, “Segmenting and understanding publics in a social media information sharing network: An interactional and dynamic approach,” International Journal of Strategic Communication, vol.12, no.8, pp.25–45, 2018, 2018. (Postprint) (Taylor & Francis Online)

Xinyan Zhao, Mengqi Zhan, Liang Ma, and Chau-Wai Wong, “We like the future more: Examining the influence of crisis response strategies on public sentiment from a big data perspective,” 103rd Annual Convention of National Communication Association (NCA’17), 16–19 Nov. 2017., Dallas, TX 2017.

Xinyan Zhao, Bo Yang, and Chau-Wai Wong, “Toward a multilevel e-health engagement model: Analyzing trend for immigrants’ e-health engagement from 2008 to 2013,” 67th Annual Conference of International Communication Association (ICA’17), 25–29 May 2017., San Diego, CA 2017.

Xinyan Zhao, Mengqi Zhan, and Chau-Wai Wong, “Evolving publics, evolving messages: Analyzing publics’ information sharing network in a social-mediated crisis,” 67th Annual Conference of International Communication Association (ICA’17), 25–29 May 2017, San Diego, CA 2017.

Chau-Wai Wong and Min Wu, “Counterfeit detection based on unclonable feature of paper using mobile camera,” IEEE Transactions on Information Forensics and Security (T-IFS), vol.12, no.8, pp.1885–1899, Aug. 2017, 2017. (Video demo) (Postprint)

Qiang Zhu, Chau-Wai Wong, Chang-Hong Fu, and Min Wu, “Fitness heart rate measurement using face videos,” IEEE International Conference on Image Processing (ICIP’17), 17–20 Sep. 2017., Beijing, China 2017. (Demo video) (Demo video) (Postprint) (Slides)

Chau-Wai Wong, Guan-Ming Su, and Min Wu, “Impact analysis of baseband quantizer on coding efficiency for HDR video,” IEEE Signal Processing Letters (SPL), 6., vol.23, no.10, pp.1354–1358, Oct. 2016, 2016. (Video explanation) (Poster) (Proofs@arXiv) (Proofs@SigPort)

Chau-Wai Wong and Min Wu, “Counterfeit detection using paper PUF and mobile cameras,” IEEE International Workshop on Information Forensics and Security (WIFS’15), 16–19 Nov. 2015., Rome, Italy . (Slides)

Chau-Wai Wong and Min Wu, “A study on PUF characteristics for counterfeit detection,” IEEE International Conference on Image Processing (ICIP’15), 27–30 Sep. 2015, Quebec City, Canada 2015. (Poster)

Hui Su, Adi Hajj-Ahmad, Chau-Wai Wong, Ravi Garg, and Min Wu, “ENF signal induced by power grid: a new modality for video synchronization,” ACM International Workshop on Immersive Media Experiences (ImmersiveMe’14), pp.13–18, Nov. 2014., Orlando, Florida 2014. ([ACM DL])

Jan Froehlich, Robin Atkins, Chau-Wai Wong, Guan-Ming Su, and Peng Yin, “Encoding and decoding perceptually-quantized video content,” U.S. Patent 9 936 199, Apr. 3, 2018., , 2018.

Chau-Wai Wong and Wan-Chi Siu, “Comments on ‘2-D order-16 integer transforms for HD video coding,” IEEE Transactions on Circuits and Systems for Video Technology (T-CSVT), vol.21, no.11, pp.1765–1767, Nov. 2011., 2011.

Chau-Wai Wong and Wan-Chi Siu, “Transform kernel selection strategy for the H.264/AVC and future video coding standards,” IEEE Transactions on Circuits and Systems for Video Technology (T-CSVT), vol.21, no.11, pp.1631–1645, Nov. 2011., 2011.

Chau-Wai Wong and Wan-Chi Siu, “Analysis of dyadic approximation error for hybrid video codecs with integer transforms,” IEEE Transactions on Image Processing, T-IPvol.20, no.10, pp.2780–2787, Oct. 2011., [IEEE Xplore] 2011.

Chau-Wai Wong and Wan-Chi Siu, ““Transform kernel selection strategy for the H.264”,” APSIPA Annual Summit and Conference (APSIPA’09), pp.64–70, Sapporo, Japan, 2009. (Postprint)