158 citations · 377 across the 16 of their papers we have counts for
17 papers
Comprehensive and Efficient Data Labeling via Adaptive Model Scheduling
Mu Yuan, Lan Zhang, Xiang-Yang Li +1
Labeling data (e.g., labeling the people, objects, actions and scene in images) comprehensively and efficiently is a widely needed but challenging task. Numerous models were propos…
COOK: Chirp-OOK Communication with Self-reliant Bitrate Adaptation in Backscatter Networks
Gang Huang, Panlong Yang, Xin He +4
For large-scale Internet of Things (IoT), backscatter communication is a promising technology to reduce power consumption and simplify deployment. However, backscatter communicatio…
From Communication to Sensing : Recognizing and Counting Repetitive Motions with Wireless Backscattering
Ning Xiao, Panlong Yang, Yubo Yan +3
Recently several ground-breaking RF-based motion recognition systems were proposed to detect and/or recognize macro/micro human movements. These systems often suffer from various i…
VoiceMask: Anonymize and Sanitize Voice Input on Mobile Devices
Jianwei Qian, Haohua Du, Jiahui Hou +5
Voice input has been tremendously improving the user experience of mobile devices by freeing our hands from typing on the small screen. Speech recognition is the key technology tha…
Social Network De-anonymization: More Adversarial Knowledge, More Users Re-Identified?
Jianwei Qian, Xiang-Yang Li, Yu Wang +3
Following the trend of data trading and data publishing, many online social networks have enabled potentially sensitive data to be exchanged or shared on the web. As a result, user…
WalkieLokie: Relative Positioning for Augmented Reality Using a Dummy Acoustic Speaker
Wenchao Huang, Yan Xiong, Xiang-Yang Li +3
We propose and implement a novel relative positioning system, WalkieLokie, to enable more kinds of Augmented Reality applications, e.g., virtual shopping guide, virtual business ca…
A Visible Light Based Indoor Positioning System
Yiqing Hu, Yan Xiong, Wenchao Huang +5
In this paper, we propose a novel indoor localization scheme that exploits ubiquitous visible lights, which are necessarily and densely deployed in almost all indoor environments.…
Cloud-based Privacy Preserving Image Storage, Sharing and Search
Lan Zhang, Taeho Jung, Puchun Feng +2
High-resolution cameras produce huge volume of high quality images everyday. It is extremely challenging to store, share and especially search those huge images, for which increasi…
Outsource Photo Sharing and Searching for Mobile Devices With Privacy Protection
Lan Zhang, Taeho Jung, Cihang Liu +3
With the proliferation of mobile devices, cloud-based photo sharing and searching services are becoming common due to the mobile devices' resource constrains. Meanwhile, there is a…
Enable Portrait Privacy Protection in Photo Capturing and Sharing
Lan Zhang, Kebin Liu, Xiang-Yang Li +3
The wide adoption of wearable smart devices with onboard cameras greatly increases people's concern on privacy infringement. Here we explore the possibility of easing persons from…
SilentSense: Silent User Identification via Dynamics of Touch and Movement Behavioral Biometrics
Cheng Bo, Lan Zhang, Xiang-Yang Li
With the increased popularity of smartphones, various security threats and privacy leakages targeting them are discovered and investigated. In this work, we present \ourprotocoltig…
Enabling Privacy-preserving Auctions in Big Data
Taeho Jung, Xiang-Yang Li
We study how to enable auctions in the big data context to solve many upcoming data-based decision problems in the near future. We consider the characteristics of the big data incl…
PDA: Semantically Secure Time-Series Data Analytics with Dynamic Subgroups
Taeho Jung, Junze Han, Xiang-Yang Li
Third-party analysis on private records is becoming increasingly important due to the widespread data collection for various analysis purposes. However, the data in its original fo…
A General Framework for Privacy-Preserving Distributed Greedy Algorithm
Taeho Jung, Xiang-Yang Li, Lan Zhang
Increasingly more attention is paid to the privacy in online applications due to the widespread data collection for various analysis purposes. Sensitive information might be mined…
Accurate Indoor Localization Using Acoustic Direction Finding via Smart Phones
Wenchao Huang, Yan Xiong, Xiang-Yang Li +4
We propose and implement a novel indoor localization scheme, Swadloon, built upon an accurate acoustic direction finding. Swadloon leverages sensors of the smartphone without the r…
Search Me If You Can: Privacy-preserving Location Query Service
Xiang-Yang Li, Taeho Jung
Location-Based Service (LBS) becomes increasingly popular with the dramatic growth of smartphones and social network services (SNS), and its context-rich functionalities attract co…
AnonyControl: Control Cloud Data Anonymously with Multi-Authority Attribute-Based Encryption
Taeho Jung, Xiang-Yang Li, Zhiguo Wan +1
Cloud computing is a revolutionary computing paradigm which enables flexible, on-demand and low-cost usage of computing resources. However, those advantages, ironically, are the ca…