Index Catalog // ScholarsArchive@OSU

Action Selection for Heterologous Control of a Continuous-Output Myoelectric Prosthesis

Creator:: Sylwester, Sean T.
Abstract:: Signiﬁcance: Movement intent decoding algorithms can interpret human bioelectrical signals to control prosthetic limbs with many degrees of freedom (DOFs). This work involves decoding volitional movement intent from surface electromyogram (sEMG) signals to control prosthetic arms. To train these algorithms, patients ﬂex their muscles to “follow” a movement prompt, and...
Resource Type:: Masters Thesis

Data-Driven Approaches For Decoding Volitional Movement Intent From Bioelectrical Signals

Creator:: Cunha Dantas, Henrique
Abstract:: There are nearly two million limb amputees living in the United States of America. Loss of limbs results in profound changes in one's life. However, the underlying neural circuitry and much of the ability to sense and control movements of their missing limb is retained even after limb loss. This...
Resource Type:: Dissertation

Toward Automated Decision-Making in Power Systems Wide-Area Protection

Creator:: Meier, Richard John
Abstract:: In recent years there have been many improvements in the reliability of critical infrastructure systems. Despite these improvements and despite targeted efforts to improve the operation and control of the electric grid, the power systems industry has seen relatively small advances in this regard. For instance, today's power system is...
Resource Type:: Masters Thesis

Hierarchical graphical models for activity recognition in videos

Creator:: Amer, Mohamed R.
Abstract:: This dissertation addresses the problem of recognizing human activities in videos. Our focus is on activities with stochastic structure, where the activities are characterized by variable space-time arrangements of actions, and conducted by a variable number of actors. These activities occur frequently in sports and surveillance videos. They may appear...
Resource Type:: Dissertation

Fast queuing policies via convex relaxation

Creator:: Nguyen-Huu, Duong
Abstract:: Traditionally, networking protocol designs have placed much emphasis on point-to-point reliability and efficiency. With the recent rise of mobile and multimedia applications, other considerations such as power consumption and/or Quality of Service (QoS) are becoming increasingly important factors in designing network protocols. As such, we present a new flexible framework...
Resource Type:: Masters Thesis

Enhancing macrocell downlink performance through femtocell user cooperation

Creator:: Zaid, Adem Mabruk
Abstract:: This thesis studies cooperative techniques that rely on femtocell user diversity to improve the downlink communication quality of macrocell users. We analytically analyze and evaluate the achievable performance of these techniques in the downlink of Rayleigh fading channels. We provide an approximation of both the bit-error rate (BER) and the...
Resource Type:: Masters Thesis

Recognizing human group activities in video through mining optimal features

Creator:: Amer, Mohamed R.
Abstract:: Given a video, we would like to recognize group activities, localize video parts where these activities occur, and detect actors involved in them. To this and, we propose a novel, mid-level feature, called control point, for representing group activities. The control points are aimed at summarizing visual cues, lifting from...
Resource Type:: Masters Thesis

Protocol design and optimization for wireless networks

Creator:: Lertsutthiwong, Monchai
Abstract:: We investigate a number of techniques for increasing throughput and quality of media applications over wireless networks. A typical media communication application such as video streaming imposes strict requirements on the delay and throughout of its packets, which unfortunately, cannot be guaranteed by the underlying wireless network due inherently to...
Resource Type:: Dissertation

Network coding for multi-user wireless networks

Creator:: Nguyen, Dong Van
Abstract:: Until a few years ago, wireless-capable laptops were considered novelties by many. It is now hard to find a laptop or a hand-held computing device that is not wireless-ready. As wireless devices are becoming commodities, they have also become an indispensable part of the modern society. Not surprisingly, research in...
Resource Type:: Dissertation

Image features and learning algorithms for biological, generic and social object recognition

Creator:: Zhang, Wei
Abstract:: Automated recognition of object categories in images is a critical step for many real-world computer vision applications. Interest region detectors and region descriptors have been widely employed to tackle the variability of objects in pose, scale, lighting, texture, color, and so on. Different types of object recognition problems usually require...
Resource Type:: Dissertation

Planning in multi-agent partially observable domains using sparse sampling

Creator:: Donneau-Golencer, Thierry D.
Abstract:: A large number of sequential decision-making problems in uncertain environments can be modeled as Markov Decision Processes (MDPs). In such settings, an agent can observe at each time step the state of the environment and then executes an action, causing a stochastic transition to a new state of the environment...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Action Selection for Heterologous Control of a Continuous-Output Myoelectric Prosthesis

Data-Driven Approaches For Decoding Volitional Movement Intent From Bioelectrical Signals

Toward Automated Decision-Making in Power Systems Wide-Area Protection

Hierarchical graphical models for activity recognition in videos

Fast queuing policies via convex relaxation

Enhancing macrocell downlink performance through femtocell user cooperation

Recognizing human group activities in video through mining optimal features

Protocol design and optimization for wireless networks

Network coding for multi-user wireless networks

Image features and learning algorithms for biological, generic and social object recognition

Planning in multi-agent partially observable domains using sparse sampling

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