A multiresolution watermark for digital images
We introduce a new multiresolution watermarking method for digital images. The method is
based on the discrete wavelet transform (DWT). Pseudo-random codes are added to the …
based on the discrete wavelet transform (DWT). Pseudo-random codes are added to the …
If you do not care about it, sell it: Trading location privacy in mobile crowd sensing
Mobile crowd sensing (MCS) is a technique where sensing tasks are outsourced to a crowd
of mobile users. Since most of sensing tasks are location-dependent, workers are required …
of mobile users. Since most of sensing tasks are location-dependent, workers are required …
Privacy-preserving data aggregation for mobile crowdsensing with externality: An auction approach
We develop an auction framework for privacy-preserving data aggregation in mobile
crowdsensing, where the platform plays the role as an auctioneer to recruit workers for …
crowdsensing, where the platform plays the role as an auctioneer to recruit workers for …
Theseus: Incentivizing truth discovery in mobile crowd sensing systems
The recent proliferation of human-carried mobile devices has given rise to mobile crowd
sensing (MCS) systems that outsource sensory data collection to the public crowd. In order …
sensing (MCS) systems that outsource sensory data collection to the public crowd. In order …
REAP: An efficient incentive mechanism for reconciling aggregation accuracy and individual privacy in crowdsensing
Incentive mechanism plays a critical role in privacy-aware crowdsensing. Most previous
studies assume a trustworthy fusion center (FC) in their co-design of incentive mechanism …
studies assume a trustworthy fusion center (FC) in their co-design of incentive mechanism …
Incentivizing truthful data quality for quality-aware mobile data crowdsourcing
Mobile data crowdsourcing has found a broad range of applications (eg, spectrum sensing,
environmental monitoring) by leveraging the" wisdom" of a potentially large crowd of" …
environmental monitoring) by leveraging the" wisdom" of a potentially large crowd of" …
Making big money from small sensors: Trading time-series data under pufferfish privacy
With the commoditization of personal data, pricing privacy has become an intriguing topic. In
this paper, we study time-series data trading from the perspective of a data broker in data …
this paper, we study time-series data trading from the perspective of a data broker in data …
ULPT: A user-centric location privacy trading framework for mobile crowd sensing
Mobile crowd sensing (MCS) arises as a promising data collection paradigm that leverages
the power of ubiquitous mobile devices to acquire rich information regarding their …
the power of ubiquitous mobile devices to acquire rich information regarding their …
Incentive mechanism design for federated learning and unlearning
To protect users' right to be forgotten in federated learning, federated unlearning aims at
eliminating the impact of leaving users' data on the global learned model. The current …
eliminating the impact of leaving users' data on the global learned model. The current …
Data-driven pricing for sensing effort elicitation in mobile crowd sensing systems
The recent proliferation of human-carried mobile devices has given rise to mobile crowd
sensing (MCS) systems that outsource sensory data collection to the public crowd. In order …
sensing (MCS) systems that outsource sensory data collection to the public crowd. In order …