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 19 of 19 for “"Vision Sensor"”.
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Characterization of a polarization dynamic active pixel vision sensor
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-05-01
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An Evaluation of an Omni- Directional (Fisheye) Vision Sensor for Estimating the Pose of an Object,
Two case studies of enhanced field of view are presented in this work. In the first an omni-directional lens is mounted on a single digital camera. In the second three perspective digital cameras are combined into a unique assembly (placed in row with known position to each another) to increase the …
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Ultra-Low-Power Vision Systems for Wireless Applications
Custom CMOS vision sensors could offer large opportunities for ultra-low power applications, introducing novel visual computation paradigms, aimed at closing the large gap between vision technology and energy-autonomous sensory systems. Energy-aware vision could offer new opportunities to all those …
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RF-guided exploration for robotic manipulation
… settings. RVExp relies on eye-in-hand vision sensor and battery-less RFID tags attached to the object of interest. Since RF (radio frequency) signals can traverse everyday occlusions, RVExp uses the RFIDs' signals to locate an object through occlusions. At the heart of RVExp's design is …
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Real-time aerial vehicle detection and tracking with depth-aided vision sensing
… approach by utilizing depth data from depth vision sensor to achieve much faster detection speed while maintain high detection accuracy. We revised some of algorithms presented in part-based representation method to get marginally better performance. Then we invented a novel data …
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Image-based Vehicle Localization
… done by using a global positioning system (GPS) sensor. Even though there have been many studies of vehicle localization in recent years, most of them combine GPS sensor with other sensors to get a more accurate result [1]. In this thesis, we propose a novel image-based vehicle localization by …
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Ultra-low-power Wireless Camera Network Nodes: Design and Performance Analysis
… In this context, the employment of a custom vision sensor and an ecient architecture are crucial. In order to validate the methodology, a prototype node is presented, mounting a smart sensor and a ash-based FPGA. The node implements a custom algorithm for counting people, a non trivial task …
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A comparative analysis of dynamic vision sensors using 180 nm CMOS technology
The development of dynamic vision sensors (DVS) is regarded as one of the most relevant advances in CMOS camera focal-plane signal processing, because it is based on neural processing. The type of pixel that is used in a DVS mimicks the functionality of a neural pathway known as magno-cellular …
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Vision-Enhanced Communications: On the Benefits of NLOS/LOS Knowledge in Wireless Systems
… meteorological, auditory, optical, and infrared sensors has opened the door to integrating sensor-based information into existing physical layer communication system design. Many properties of the wireless channel, especially for mobile applications, are highly dynamic and easily observable using …
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A Comprehensive Mapping and Real-World Evaluation of Multi-Object Tracking on Automated Vehicles
… and lacks resources for integration with real sensors and implementation on AVs. Factors such those make it difficult for new researchers and practitioners to enter the field.</p> <p>This thesis presents two main contributions: 1) a comprehensive mapping for the field of Multi-Object Trackers …
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A new sinkhole attack detection algorithm for RPL in wireless sensor networks (WSN)
… improvement of science and technology, wireless sensor network technology has gradually been widely used, and provides great convenience for people's living, but with the continuous improvement of the degree of application, wireless sensor network security issues also enter people's field of …
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Neuromorphic control of dynamic systems
… plus data processing from a robot's on-board vision sensors. Specifically, one ideally hopes that this pipeline offer fresh measurements at a high temporal resolution with low-latency in a computationally-cheap manner for efficient control. This desirable situation may be hard to come by for …
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Depth estimation from 3D reconstructed scene using stereo vision
… that a lot of researches made to develop it. Visionary sensors such as stereo vision optimization method is one of the most efficient methods among traditional sensors that have been used to estimate a depth from 3D reconstructed scene. Vision sensor can be used in rescue robots mission …
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Geometry model for marker-based localisation
… approach for position estimation from monocularvision. It has been shown that vision systems have great capability in reaching precise and accurate measurements and are becoming the state-of-the-art innavigation. Navigation systems have only been integrated in commercial mobile robots since the …
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Computer Vision Applications for Autonomous Aerial Vehicles
… former technology. The proliferation of special vision sensors, such as depth cameras, lidar sensors and thermal cameras, and major breakthroughs in computer vision and machine learning fields accelerated the advance of UAV research and technology. However, due to certain unique challenges …
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Integrity and attack-resilience of GPS-based positioning and timing: a Bayesian and measurement fusion approach
… Bayesian algorithms that utilize multiple sensors and receivers. For improving positioning, first, we design an adaptive filter based on Bayesian algorithms to augment GPS with the additional vision sensor. Second, we develop an integrity monitoring algorithm for Direct Positioning (DP), …
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Cooperative mobile robot and manipulator system for autonomous manufacturing
… a new two-stage positioning framework with multi-sensor fusion positioning is proposed, which contains two different kinds of localization approaches for the robotic manipulator continually perceiving the mobile robot. One positioning approach is ultrasonic sensors fused with an inertial …
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Enabling mobile robot perception and shared-control with vision-based sensor fusion systems
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2024-03-01 without embargo terms
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Introspective learning based Visual-LiDAR fusion for adaptive Simultaneous Localization and Mapping
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-12-04 without embargo terms