نتایج جستجو برای: logitboost
تعداد نتایج: 116 فیلتر نتایج به سال:
INTRODUCTION Sepsis is a complex immunological response to infection characterized by early hyper-inflammation followed by severe and protracted immunosuppression, suggesting that a multi-marker approach has the greatest clinical utility for early detection, within a clinical environment focused on Systemic Inflammatory Response Syndrome (SIRS) differentiation. Pre-clinical research using an eq...
Automated Denial of Information Attacks. It is a common assumption in event processing that the events are “clean”, i.e., they come from well-behaved and trustworthy sources. This assumption does not hold in all major open communications media for several reasons. First, adversaries may spread massive noise data, e.g., in email spam. Second, adversaries may inject potentially interesting, but o...
تقریبا همهی تصاویر سنجندهی مادیس دارای قسمتهای پوشیده از ابر هستند. به منظور استخراج اطلاعات صحیح از دادههای مادیس، یکی از پیشپردازشهای کلیدی شناسایی پیکسلهای ابری و جداسازی آن از عوارض مشابه مانند برف/یخ است. ویژگیهای مورد استفاده در طبقهبندی ابر به دو دستهی ویژگیهای بافتی و طیفی تقسیم میشوند. با استفاده از ویژگیهای بافتی باندهای مرئی امکان جداسازی پیکسلهای ابر از پیکسلهای برف/...
Kernel methods combined with large-margin learning algorithms such as SVMs have been used successfully to tackle a variety of learning tasks since their introduction in the early 90s. However, in the standard framework of these methods, the choice of an appropriate kernel is left to the user and a poor selection may lead to sub-optimal performance. Instead, sample points can be used to select a...
Cyber-attacks aimed at organizations have increased since 2009, with 91% of all organizations hit by cyber-attacks in 2013.1 Attacks aimed at organizations usually include harmful activities such as stealing confidential information, spying and monitoring an organization, and disrupting an organization's actions. Attackers may be motivated by ideology, criminal intent, a desire for publicity, a...
•A machine-learning method provides reliable atomic/molecular labels for ToF-MS•No human labeling or prior information required•The training dataset is artificially generated based on isotopic abundances•Method validated a variety of materials and two ToF-MS-based techniques Time-of-flight mass spectrometry (ToF-MS) mainstream analytical technique widely used in biology, chemistry, science. ToF...
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