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High-Efficiency Video Coding (HEVC) is the latest video coding standard of the Joint Collaborative Team on Video Coding (JCT-VC). HEVC noticeably improves compression performance when comparing with previous standards such as H264, providing a major leap forward in video compression technology. However this improvement is achieved increasing the complexity of the encoding process. In this paper an...
Sepsis, a critical bacterial infection of the bloodstream, is a serious cause of illness in neonatal period in both premature and at term newborns. It is important to look for parameters that can help earlier detection of sepsis in the newborn. Previous studies have shown that Heart Rate Variability is reduced when associated with sepsis and diminish the adaptive capacity of the individual, degrading...
Future Internet will constitute a complex and dynamic environment, the requirements of which cannot be handled by traditional management schemes. The alternative is the approach of autonomic service and network management, which targets at guidance and orchestration of the behavior of autonomic and contemporary network entities based on specific service requirements and business goals. In this context,...
Encoding video sequences is a computation-demanding task in high-performance codecs. Optimizing this stage may result in a substantial encoding speed-up. In this paper, we propose a faster approach to encode sequences with the H.264/AVC codec, using mixed-resolution. By having some of the frames down-sampled, the overall computation is reduced, without greatly affecting the rate-distortion performance,...
Software Product Lines (SPL) and Service-Orientation (SO) are two strategies that focus on different goals, but they both use software reuse as their main principle. SPL encompass a family of software systems developed from reusable assets, while SO is a way of developing service-based applications, providing reusable business functionalities. In the combination of SPL and SO, a key aspect is the...
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