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Articles 1 - 8 of 8
Full-Text Articles in Physical Sciences and Mathematics
New Methods To Improve Protein Structure Modeling, Maha Abdelrasoul
New Methods To Improve Protein Structure Modeling, Maha Abdelrasoul
Computer Science Theses & Dissertations
Proteins are considered the central compound necessary for life, as they play a crucial role in governing several life processes by performing the most essential biological and chemical functions in every living cell. Understanding protein structures and functions will lead to a significant advance in life science and biology. Such knowledge is vital for various fields such as drug development and synthetic biofuels production.
Most proteins have definite shapes that they fold into, which are the most stable state they can adopt. Due to the fact that the protein structure information provides important insight into its functions, many research efforts …
Novel Technique For Gait Analysis Using Two Waist Mounted Gyroscopes, Ahmed Nasr
Novel Technique For Gait Analysis Using Two Waist Mounted Gyroscopes, Ahmed Nasr
Computer Science Theses & Dissertations
Analysis of the human gait is used in many applications such as medicine, sports, and person identification. Several research studies focused on the use of MEMS inertial sensors for gait analysis and showed promising results. The miniaturization of these sensors and their wearability allowed the analysis of gait on a long term outside of the laboratory environment which can reveal more information about the person and introduced the use of gait analysis in new applications such as indoor localization.
Step detection and step length estimation are two basic and important gait analysis tasks. In fact, step detection is a prerequisite …
Deep Learning For Segmentation Of 3d Cryo-Em Images, Devin Reid Haslam
Deep Learning For Segmentation Of 3d Cryo-Em Images, Devin Reid Haslam
Computer Science Theses & Dissertations
Cryo-electron microscopy (cryo-EM) is an emerging biophysical technique for structural determination of protein complexes. However, accurate detection of secondary structures is still challenging when cryo-EM density maps are at medium resolutions (5-10 Å). Most existing methods are image processing methods that do not fully utilize available images in the cryo-EM database. In this paper, we present a deep learning approach to segment secondary structure elements as helices and β-sheets from medium- resolution density maps. The proposed 3D convolutional neural network is shown to detect secondary structure locations with an F1 score between 0.79 and 0.88 for six simulated test cases. …
Leveraging Resources On Anonymous Mobile Edge Nodes, Ahmed Salem
Leveraging Resources On Anonymous Mobile Edge Nodes, Ahmed Salem
Computer Science Theses & Dissertations
Smart devices have become an essential component in the life of mankind. The quick rise of smartphones, IoTs, and wearable devices enabled applications that were not possible few years ago, e.g., health monitoring and online banking. Meanwhile, smart sensing laid the infrastructure for smart homes and smart cities. The intrusive nature of smart devices granted access to huge amounts of raw data. Researchers seized the moment with complex algorithms and data models to process the data over the cloud and extract as much information as possible. However, the pace and amount of data generation, in addition to, networking protocols transmitting …
Flexstream: Sdn-Based Framework For Programmable And Flexible Adaptive Video Streaming, Ibrahim Ben Mustafa
Flexstream: Sdn-Based Framework For Programmable And Flexible Adaptive Video Streaming, Ibrahim Ben Mustafa
Computer Science Theses & Dissertations
With the tremendous increase in video traffic fueled by smartphones, tablets, 4G LTE networks, and other mobile devices and technologies, providing satisfactory services to end users in terms of playback quality and a fair share of network resources become challenging. As a result, an HTTP video streaming protocol was invented and widely adopted by most video providers today with the goal of maximizing the user’s quality of experience. However, despite the intensive efforts of major video providers such as YouTube and Netflix to improve their players, several studies as well as our measurements indicate that the players still suffer from …
Supporting Big Data At The Vehicular Edge, Lloyd Decker
Supporting Big Data At The Vehicular Edge, Lloyd Decker
Computer Science Theses & Dissertations
Vehicular networks are commonplace, and many applications have been developed to utilize their sensor and computing resources. This is a great utilization of these resources as long as they are mobile. The question to ask is whether these resources could be put to use when the vehicle is not mobile. If the vehicle is parked, the resources are simply dormant and waiting for use. If the vehicle has a connection to a larger computing infrastructure, then it can put its resources towards that infrastructure. With enough vehicles interconnected, there exists a computing environment that could handle many cloud-based application services. …
To Relive The Web: A Framework For The Transformation And Archival Replay Of Web Pages, John Andrew Berlin
To Relive The Web: A Framework For The Transformation And Archival Replay Of Web Pages, John Andrew Berlin
Computer Science Theses & Dissertations
When replaying an archived web page (known as a memento), the fundamental expectation is that the page should be viewable and function exactly as it did at archival time. However, this expectation requires web archives to modify the page and its embedded resources, so that they no longer reference (link to) the original server(s) they were archived from but back to the archive. Although these modifications necessarily change the state of the representation, it is understood that without them the replay of mementos from the archive would not be possible. Unfortunately, because the replay of mementos and the modifications made …
Applying Machine Learning To Advance Cyber Security: Network Based Intrusion Detection Systems, Hassan Hadi Latheeth Al-Maksousy
Applying Machine Learning To Advance Cyber Security: Network Based Intrusion Detection Systems, Hassan Hadi Latheeth Al-Maksousy
Computer Science Theses & Dissertations
Many new devices, such as phones and tablets as well as traditional computer systems, rely on wireless connections to the Internet and are susceptible to attacks. Two important types of attacks are the use of malware and exploiting Internet protocol vulnerabilities in devices and network systems. These attacks form a threat on many levels and therefore any approach to dealing with these nefarious attacks will take several methods to counter. In this research, we utilize machine learning to detect and classify malware, visualize, detect and classify worms, as well as detect deauthentication attacks, a form of Denial of Service (DoS). …