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Nowadays people can easily use any smart device at hand to capture scenery and then upload it to the cloud storage. Cloud storages are widely used for storing the generated multimedia content. However, the risk of potential private data leakage may exist since cloud storages are normally in a public domain. To enhance the security and privacy of images on the cloud storage, we proposed an integrated...
Popularity for the term `Cloud-Computing' has been increasing in recent years. There are many great companies such as Yahoo, Google etc. tried to provide related services to business community, even through public users. In addition to the SQL technique, Map-Reduce, a programming model that realizes implementing large-scale data processing, has been a hot topic that is widely discussed through many...
The success of P2P file sharing systems inspired the development of P2P streaming systems for delivering online multimedia service in the last few years. The capacity of P2P streaming systems, i.e., how many peers can be concurrently serviced by the system, depends on system configurations including network bandwidth, overlay network formation, QoS constraints, membership management, peer selection,...
Query by Singing/Humming (QBSH) is a most natural way for music recognition. A QBSH system can help find songs by matching a part of melody users sing or hum. Many Music Information Retrieval (MIR) techniques have been used to carry out the QBSH goal. In the past, little studies had ever been revealed about how to design and implement a simple QBSH system. In this article, we combine Short-Time-Fourier-Transform,...
As wireless technologies revolutionize, wireless users can access the ubiquitous networks by multi-mode devices in a multi-wireless-carrier environment. Network selection concept allows person connectivity to applications using the devices and access technologies that best suit user needs. However, the network selection should consider how the bandwidth consumed by the user applications can be well...
Thanks to the growing of the wireless networks, the video streaming application becomes a ubiquitous joyful service. In wireless communication networks, the service traffic spans across the wired and wireless domains. Hence, the service of quality (QoS) control becomes complicated. Generally, the QoS is manipulated by the receiving feedback from the mobile user equipments (UEs) to the streaming server...
Compared to the voice service over PSTN, people look forward to a competent voice over IP (VoIP) service. The introduction of the SIP protocol has a profound impact on the VoIP world. Exploiting more SIP proxy servers can raise the service availability. However, how to assure the efficiency and availability of the service by such an improvement becomes a challenging issue. Based on above, we propose...
Under the B3G vision, cellular operators construct a complementary environment - public WLAN to make up for the limited data access service to become cellular/PWLAN operators. In addition, confederating various PWLAN operators including PWLAN operators, Cellular/PWLAN operators and PWLAN roaming brokers under the PWLAN roaming agreements can intensify the PWLAN service coverage. To build a better...
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