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Mems Microdisplay Optical Imaging and Sensor Systems for Underwater Scattering Environments, 2012
Title
Mems Microdisplay Optical Imaging and Sensor Systems for Underwater Scattering Environments, 2012.
Creator
Dalgleish, Fraser, Dalgleish, Anni, Florida Atlantic University, Ouyang, Bing
Abstract/Description
An imaging or sensor system comprises a transmitter assembly, a receiver assembly and a control unit. The transmitter assembly defines an outgoing optical beam transmission path with respect to a target surface and the receiver assembly defines a return optical signal transmission path from the target surface. Each of the paths includes transmission through or reflection from at least one microdisplay device comprising a plurality of controllable elements for selective placement in a transmit...
Show moreAn imaging or sensor system comprises a transmitter assembly, a receiver assembly and a control unit. The transmitter assembly defines an outgoing optical beam transmission path with respect to a target surface and the receiver assembly defines a return optical signal transmission path from the target surface. Each of the paths includes transmission through or reflection from at least one microdisplay device comprising a plurality of controllable elements for selective placement in a transmit mode for transmission of light along the transmission paths. A control unit selectively places the microdisplay device elements in the transmission mode.
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Date Issued
2012
PURL
http://purl.flvc.org/fau/fd/FAUIR000252
Format
Document (PDF)
The Lander Project
Title
The Lander Project.
Creator
Spina, Alex, Dalgleish, Fraser R., Harbor Branch Oceanographic Institute, Dalgleish, Anni, Ouyang, Bing
Abstract/Description
The Lander is an underwater research platfonn that is capable of carrying a variety of scientific instruments. The largest instrumental package that can be attached consists of a continuous wave laser transmitter, a pulse modulated laser transmitter, an Altimeter, an AC-9 optical sensor, a conductivity temperature and depth sensor, an LISST optical sensor, a GPS beacon and an acoustic modem. The continuous wave laser transmitter housing consists of a variable power single mode low noise OEM...
Show moreThe Lander is an underwater research platfonn that is capable of carrying a variety of scientific instruments. The largest instrumental package that can be attached consists of a continuous wave laser transmitter, a pulse modulated laser transmitter, an Altimeter, an AC-9 optical sensor, a conductivity temperature and depth sensor, an LISST optical sensor, a GPS beacon and an acoustic modem. The continuous wave laser transmitter housing consists of a variable power single mode low noise OEM laser and a galvanometer scanner and is mounted on a pan and tilt unit. The rest of the instruments are attached to the frame of the Lander using various fixtures. There is also an acoustic release attached to the back of the frame which is to be used for retrieval purposes.
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Date Issued
2013
PURL
http://purl.flvc.org/fau/fd/FA00002681
Format
Document (PDF)
Environmental performance bounds for undersea pulsed laser serial imagers
Title
Environmental performance bounds for undersea pulsed laser serial imagers.
Creator
Dalgleish, Fraser R., Vuorenkoski, Anni K., Nootz, G., Ouyang, Bing, Caimi, F. M.
Date Issued
2013
PURL
http://purl.flvc.org/fau/fd/FA00007401
Subject Headings
Underwater imaging systems, Electrooptics, Lasers, Imaging systems--Image quality
Format
Document (PDF)
Experimental imaging performance evaluation for alternate configurations of undersea pulsed laser serial imagers
Title
Experimental imaging performance evaluation for alternate configurations of undersea pulsed laser serial imagers.
Creator
Dalgleish, Fraser R., Vuorenkoski, Anni K., Nootz, G., Ouyang, Bing, Caimi, F. M.
Date Issued
2011
PURL
http://purl.flvc.org/FCLA/DT/3340796
Subject Headings
Electrooptics, Underwater imaging systems, Image Quality, Scattering (Physics), Lasers
Format
Document (PDF)
Visualization for multi-static underwater LLS system using image based rendering
Title
Visualization for multi-static underwater LLS system using image based rendering.
Creator
Ouyang, Bing, Dalgleish, Fraser R., Vuorenkoski, Anni K., Britton, W. B., Ramos, Brian, Metzger, B.
Date Issued
2010
PURL
http://purl.flvc.org/FCLA/DT/3183719
Subject Headings
Underwater imaging systems, Lasers
Format
Document (PDF)
PATH PLANNING FOR THE HYBRID AERIAL UNDERWATER ROBOTIC SYSTEM
Title
PATH PLANNING FOR THE HYBRID AERIAL UNDERWATER ROBOTIC SYSTEM.
Creator
Davis, Anthony C., Ouyang, Bing, Florida Atlantic University, Department of Computer and Electrical Engineering and Computer Science, College of Engineering and Computer Science
Abstract/Description
Marine food chains are highly stressed by aggressive fishing practices and environmental damage. Aquaculture has increasingly become a source of seafood which spares the deleterious impact to wild fisheries, but it requires continuous water quality data to successfully grow and harvest fish. Aerial drones have great potential to monitor large areas quickly and efficiently. The Hybrid Aerial Underwater Robotic System (HAUCS) is a swarm of unmanned aerial vehicles (UAVs) and underwater...
Show moreMarine food chains are highly stressed by aggressive fishing practices and environmental damage. Aquaculture has increasingly become a source of seafood which spares the deleterious impact to wild fisheries, but it requires continuous water quality data to successfully grow and harvest fish. Aerial drones have great potential to monitor large areas quickly and efficiently. The Hybrid Aerial Underwater Robotic System (HAUCS) is a swarm of unmanned aerial vehicles (UAVs) and underwater measurement devices designed to collect water quality data of aquaculture ponds. The routing of drones to cover each fish pond on an aquaculture farm can be reduced to the Vehicle Routing Problem (VRP). A dataset is created to simulate the distribution of ponds on a farm and is used to assess the HAUCS Path Planning Algorithm (HPP). Its performance is compared with the Google Linear Optimization Package (GLOP) and a Graph Attention Model (GAM) for routing around the simulated farms. The three methods are then implemented on a team of waterproof drones and experimentally verified at Southern Illinois University’s (SIU) Aquaculture Research Center. GLOP and GAM are demonstrated to be efficient path planning methods for small farms, while HPP is likely to be more suited to large farms. HAUCS shows great value as a future direction for intelligent aquaculture, but issues with obstacle avoidance and robust waterproofing need to be addressed before commercialization. The future of aquaculture promises more integrated and sustainable operations by mimicking natural systems and leveraging deeper understandings of biology.
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Date Issued
2022
PURL
http://purl.flvc.org/fau/fd/FA00014108
Subject Headings
Drone aircraft, Drones, Aquaculture
Format
Document (PDF)
Underwater laser serial imaging using compressive sensing and digital mirror device
Title
Underwater laser serial imaging using compressive sensing and digital mirror device.
Creator
Ouyang, Bing, Dalgleish, Fraser R., Caimi, F. M., Giddings, T. E., Shirron, J. J., Vuorenkoski, Anni K., Nootz, G., Britton, W. B., Ramos, Brian
Date Issued
2011
PURL
http://purl.flvc.org/FCLA/DT/3340793
Subject Headings
Underwater imaging systems, Image compression, Lasers, Signal processing
Format
Document (PDF)
MACHINE LEARNING METHODS FOR IMAGE ENHANCEMENT IN DEGRADED VISUAL ENVIRONMENTS
Title
MACHINE LEARNING METHODS FOR IMAGE ENHANCEMENT IN DEGRADED VISUAL ENVIRONMENTS.
Creator
Estrada, Dennis, Tang, Yufei, Ouyang, Bing, Florida Atlantic University, Department of Computer and Electrical Engineering and Computer Science, College of Engineering and Computer Science
Abstract/Description
Significant reduction in space, weight, power, and cost (SWAP-C) of imaging hardware has induced a paradigm shift in remote sensing where unmanned platforms have become the mainstay. However, mitigating the degraded visual environment (DVE) remains an issue. DVEs can cause a loss of contrast and image detail due to particle scattering and distortion due to turbulence-induced effects. The problem is especially challenging when imaging from unmanned platforms such as autonomous underwater...
Show moreSignificant reduction in space, weight, power, and cost (SWAP-C) of imaging hardware has induced a paradigm shift in remote sensing where unmanned platforms have become the mainstay. However, mitigating the degraded visual environment (DVE) remains an issue. DVEs can cause a loss of contrast and image detail due to particle scattering and distortion due to turbulence-induced effects. The problem is especially challenging when imaging from unmanned platforms such as autonomous underwater vehicles (AUV) and unmanned ariel vehicles (UAV). While single-frame image restoration techniques have been studied extensively in recent years, single image capture is not adequate to address the effects of DVEs due to under-sampling, low dynamic range, and chromatic aberration. Significant development has been made to employ multi-frame image fusion techniques to take advantage of spatial and temporal information to aid in the recovery of corrupted image detail and high-frequency content and increasing dynamic range.
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Date Issued
2022
PURL
http://purl.flvc.org/fau/fd/FA00013987
Subject Headings
Image Enhancement, Machine learning, Remote sensing
Format
Document (PDF)
NOVEL KIRIGAMI-INSPIRED FLEXIBLE ROBOTIC EXTENSION FOR MOBILE PLATFORMS
Title
NOVEL KIRIGAMI-INSPIRED FLEXIBLE ROBOTIC EXTENSION FOR MOBILE PLATFORMS.
Creator
Den Ouden, Casey, Su, Tsung-Chow, Ouyang, Bing, Florida Atlantic University, Department of Ocean and Mechanical Engineering, College of Engineering and Computer Science
Abstract/Description
Since 2010, aquaculture practices have produced 70% of global seafood consumption. However, this fast-growing sector of agriculture has yet to see the adoption of advanced technologies to improve farm operations. The Hybrid Aerial Underwater robotiCs System (HAUCS) is an Internet of Things (IoT) framework that aims to bring transformative changes to pond aquaculture. This project focuses on the latest developments in the HAUCS mobile sensing platform and field deployment. A novel rigid...
Show moreSince 2010, aquaculture practices have produced 70% of global seafood consumption. However, this fast-growing sector of agriculture has yet to see the adoption of advanced technologies to improve farm operations. The Hybrid Aerial Underwater robotiCs System (HAUCS) is an Internet of Things (IoT) framework that aims to bring transformative changes to pond aquaculture. This project focuses on the latest developments in the HAUCS mobile sensing platform and field deployment. A novel rigid Kirigami-based robotic extension subsystem was created to expand the functionality of the HAUCS platform. The primary objective of this design was to limit the surface area of an extender arm on the drone during flight operations and minimize the in-flight drag. By utilizing a novel combination of shape memory polymer (SMP) and nitinol to extend and retrieve the sensing arm, the structure was able to conserve energy while operating under varying environmental conditions.
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Date Issued
2023
PURL
http://purl.flvc.org/fau/fd/FA00014324
Subject Headings
Aquaculture, Sensors, Robotics
Format
Document (PDF)