Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 43 for “"motion sensors"”.
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Electric micromotor with integrated rotor motion sensors
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.
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Motion artifact reduction of electrocardiograms using multiple motion sensors
… ECG signal, the most problematic being that of motion artifacts. As an individual wearing a surface ECG moves, their movements will add noise to the signal. This noise is particularly difficult to remove, as it will change depending on the movements of the user and will often fall in the same …
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Large group musical interaction using disposable wireless motion sensors
… To address these issues, a low-cost, wireless motion sensor has been developed. The sensor is inexpensive enough to be considered disposable, allowing it to be given away to participants at large dance events, enabling the dancers to participate concurrently in a realtime, interactive musical …
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Robots as Minions, Sidekicks, and Apprentices: Using Wearable Muscle, Brain, and Motion Sensors for Plug-and-Play Human-Robot Interaction
… and systems that use unobtrusive wearable sensors for muscle, brain, and motion activity to enable more plug-and-play human-robot interactions. Detecting discrete commands and continuous motions creates a communication vocabulary for remote control or collaboration, and learning frameworks …
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Understanding and mitigating the privacy risks of smartphone sensor fingerprinting
… we study the feasibility of using on-board sensors such as microphones, accelerometers and gyroscopes to fingerprint smartphones. During fabrication, subtle imperfections arise in device sensors which induce distinctive anomalies in the generated signal. Using machine learning techniques we …
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Exploration of the effectiveness of Apple ios devices and bluetooth low-energy nodes in the evaulation of stroke patient rehabilitation and recovery
… examining the efficacy of off-the-shelf consumer motion sensors. This paper examines the practical implications of utilizing Apple iOS mobile devices and Variable Technology KORE NODE devices in the evaluation of stroke patient recovery. Several algorithms are proposed to handle the user …
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Understanding Mediolateral Stability During Gait in Persons with Early-Stage Multiple Sclerosis
… participants were instrumented with body-worn motion sensors. Center of mass (COM) displacement and velocity as well as head movement were assessed during these trials. Standing balance was assessed using a force-plate to derive center of pressure (COP) displacement and velocity data. Levels of …
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Motion perception and the scene statistics of motion
Motion coding in the brain undoubtedly reflects the statistics of retinal image motion occurring in the natural environment. Measuring the statistics of motion in natural scenes is an important tool for building our understanding of how the brain works. Unfortunately, there are statistics that are …
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Quaternion-Based Human Gesture Recognition System Using Multiple Body-Worn Intertial Sensors
… from eleven participants using five gyroscopic motion sensors tied to their upper body. A total of 1080 samples were collected, which contain almost 6000 gestures collected within a span of 90 minutes. The data were processed and fed into a multiclass Pattern Classification system to classify …
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Enhancing Body-Mounted LiDAR SLAM using an IMU-based Pedestrian Dead Reckoning (PDR) Model
With the reduction in motion sensors' cost and power, Simultaneous Localization and Mapping (SLAM) has emerged as a core technology in several applications such as search-and-rescue, first-responders, and defence. Existing SLAM methods were designed mainly for robotic platforms that use wheel …
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Omnidirectional view and multi-modal streaming in 3D tele-immersion system
… surround- ing user’s body. In addition, various sensors (e.g., motion sensors, medical sensors, wearable gaming consoles, etc.) specified by the application will be included to deliver a multi-modal experience. In a traditional 2D live video streaming system, the interactivity of end users, …
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Understanding behavior with ubiquitous computing for architectural design
… system was composed of small wireless infrared motion sensors, a Bluetooth-based positioning system using mobile phones, and a context-sensitive self-report survey administered on the mobile phones. Participants were automatically queried about their work practices and their environment via …
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OpenSpace : enhancing social awareness at the workplace
… levels of privacy invasiveness. We use a grid of motion sensors to collect anonymous information about activity in various locations of our prototypical workspace. The real time and historical components of the data are then visualized in six different ways. These visualizations are meant to be …
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Inferences from Interactions with Smart Devices: Security Leaks and Defenses
… captured through video camcorder and inbuilt motion sensors such as gyroscope and accelerometer in the user's device.</p>
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Deep Transferable Intelligence for Wearable Big Data Pattern Detection
… there are many places we can place the motion sensors, we have thoroughly compared and analyzed the location difference in terms of deep learning-based PAD performance. We have further compared the difference among six sensor channels (3-axis accelerometer and 3-axis gyroscope). Second, …
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Cyborg botany : augmented plants as sensors, displays and actuators
… own signals. Next, lead (II) detection nanosensors are presented which reside inside the leaf of a plant and continuously sample through plant hydraulics. This is followed with a design study for plants with new conductive channels grown inside them and their subsequent use as inconspicuous …
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On Distributed and Acoustic Sensing for Situational Awareness
… of two separate applications of such mobile sensors. In this first part, we study decentralized inference problems with dependent observations in wireless sensor networks. Two separate problems are addressed in this part: one pertaining to collaborative spectrum sensing while the other on …
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Ros-Drill Automation: Visual Feedback Control And Rotational Motion Tracking
… we improve the performance of the rotational motion tracking.</p> <p>Ros-Drill<sup>©</sup> is an inexpensive set-up, which creates high-frequency rotational oscillations at the tip of an injection pipette tracking a harmonic motion profile. These rotational oscillations enable the pipette to …
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Maintaining privacy during continuous motion sensing
Mobile devices contain sensors which allow continuous recording of a user's motion allowing the development of activity, fitness and health applications. With varied applications, the motion sensors present new privacy problems which require protection. This dissertation builds on previous work …
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