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Nowadays, cloud has become a promising multimedia data processing and sharing platform. Many institutes and companies plan to outsource and share their large-scale video and image datasets on cloud for scientific research and public interest. Among various video applications, the discovery of frequent visual patterns over graphical data is an exploratory and important technique. However, the privacy...
In this paper, we propose a novel complexity-adjustable video coding algorithm for H.264/AVC-based wireless video communications through portable devices. To optimize the rate-distortion performance under power constraint in packet loss environment, we present a novel model that can adapt to the different channel conditions and computation power constraints. The experimental results demonstrate that...
In recent years, several researchers have proposed techniques for providing users with assistance in understanding and overcoming authorization denials. The incorporation of environmental factors into authorization decisions has made this particularly important and challenging. An environmental factor that has not previously been considered in this effort to provide such assistance to users arises...
In this paper we propose some optimization techniques to achieve the goal of real-time decoding of the new generation video such as VC-1, H.264, and AVS on embedded processors. We optimize the VC-1/H.264/AVS video decoders from a variety of viewpoints including algorithmic complexity reduction, memory access minimization, branch minimization, and zero skipping. We have reduced about 80% ~ 90% of complexity...
Multi-layer obstacle-avoiding rectilinear Steiner tree construction is an essential problem in physical design for advanced SoC and nano technologies. This paper unifies obstacle-avoiding rectilinear Steiner tree construction either for single or for multiple routing layers. Experimental results show that our algorithm outperforms the state-of-the-art works for both cases.
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