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In this paper, we propose a novel scheme that can achieve data privacy by hybrid cloud, which consists of public and private cloud, and reduce storage and computation in private cloud, as well as communication overhead between private and public cloud. Meanwhile, we propose a novel algorithm to process private image data. Our experimental results show that (1) our algorithm achieves data privacy but...
Nowadays the amount of data is being produced exponentially with the rapid development of electronic technology and communication, which makes it hard to cost-effectively store and manage these big data. Cloud computing, a new business model, is considered as one of most attractive solutions for big data, and provides the advantage of reduced cost through sharing of computing and storage resources...
The growing concerns about the privacy of data stored in public cloud have hindered the widespread adoption of cloud. On one hand, large part of data, such as medical data, has a lot of images, and this kind of data may be private. On the other hand, the cloud service providers have the full access of data, and they may bleach the data for financial or other reasons. The traditional method to protect...
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