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- Hyperspectral remote sensing (8)
- Hyperspectral sensing (8)
- Multispectral imagery (8)
- Airborne imagery (6)
- Airborne sensors (6)
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- Data fusion (6)
- Hydrologic optics (6)
- Remote sensing (6)
- Target detection (6)
- Oil spills (5)
- Radiative transfer (5)
- Airborne image acquisition (4)
- Cameras (4)
- Derivative spectroscopy (4)
- Environmental surveillance (4)
- Fluid mud (4)
- Image analysis (4)
- Subsurface sensing (4)
- Water quality (4)
- Airborne remote sensing (3)
- Calibration (3)
- Dredging (3)
- Feature detection (3)
- Hyperspectral (3)
- Image contrast (3)
- Image fusion (3)
- Monte Carlo modeling (3)
- Noncontact sensing (3)
- Oil spill (3)
- Shallow water sensing (3)
Articles 1 - 24 of 24
Full-Text Articles in Remote Sensing
Hyperspectral Reflectance Signature Protocol For Predicting Subsurface Bottom Reflectance In Water: In-Situ And Analytical Methods, Charles R. Bostater, Tyler A. Rotkiske, Taylor Scott Oney
Hyperspectral Reflectance Signature Protocol For Predicting Subsurface Bottom Reflectance In Water: In-Situ And Analytical Methods, Charles R. Bostater, Tyler A. Rotkiske, Taylor Scott Oney
Ocean Engineering and Marine Sciences Faculty Publications
In-situ measurement of bottom reflectance signatures and bottom features in water are used to test an analytical based irradiance model protocol. Comparisons between predicted and measured bottom reflectance signatures are obtained using measured hyperspectral remote sensing reflectance signatures, water depth and water column constituent concentrations. Analytical solutions and algorithms are used to generate synthetic signatures of different bottom types. The analytical methodology used to simulated bottom reflectance contains offset and bias that can be corrected using spectral window based corrections. Example results are demonstrated for application to coral species, submerged aquatic vegetation and a sand bottom type. Spectral windows are …
Platforms For Hyperspectral Imaging, In-Situ Optical And Acoustical Imaging In Urbanized Regions, Charles R. Bostater, Taylor Scott Oney
Platforms For Hyperspectral Imaging, In-Situ Optical And Acoustical Imaging In Urbanized Regions, Charles R. Bostater, Taylor Scott Oney
Ocean Engineering and Marine Sciences Faculty Publications
Hyperspectral measurements of the water surface of urban coastal waters are presented. Oblique bidirectional reflectance factor imagery was acquired made in a turbid coastal sub estuary of the Indian River Lagoon, Florida and along coastal surf zone waters of the nearby Atlantic Ocean. Imagery was also collected using a pushbroom hyperspectral imager mounted on a fixed platform with a calibrated circular mechatronic rotation stage. Oblique imagery of the shoreline and subsurface features clearly shows subsurface bottom features and rip current features within the surf zone water column. In-situ hyperspectral optical signatures were acquired from a vessel as a function of …
A New Multispectral Imaging Instrument For In-Situ Characterization Of Flocs And Colloidal Aggregates In Natural Waters, Charles R. Bostater
A New Multispectral Imaging Instrument For In-Situ Characterization Of Flocs And Colloidal Aggregates In Natural Waters, Charles R. Bostater
Ocean Engineering and Marine Sciences Faculty Publications
No abstract provided.
An Approach To Optimal Hyperspectral And Multispectral Signature And Image Fusion For Detecting Hidden Targets On Shorelines, Charles R. Bostater
An Approach To Optimal Hyperspectral And Multispectral Signature And Image Fusion For Detecting Hidden Targets On Shorelines, Charles R. Bostater
Ocean Engineering and Marine Sciences Faculty Publications
Hyperspectral and multispectral imagery of shorelines collected from airborne and shipborne platforms are used following pushbroom imagery corrections using inertial motion motions units and augmented global positioning data and Kalman filtering. Corrected radiance or reflectance images are then used to optimize synthetic high spatial resolution spectral signatures resulting from an optimized data fusion process. The process demonstrated utilizes littoral zone features from imagery acquired in the Gulf of Mexico region. Shoreline imagery along the Banana River, Florida, is presented that utilizes a technique that makes use of numerically embedded targets in both higher spatial resolution multispectral images and lower spatial …
Moving Fluid Mud Sondes, Optical And Acoustic Sensing Methods In Support Of Coastal Waterway Dredging, Charles R. Bostater, Tyler A. Rotkiske
Moving Fluid Mud Sondes, Optical And Acoustic Sensing Methods In Support Of Coastal Waterway Dredging, Charles R. Bostater, Tyler A. Rotkiske
Ocean Engineering and Marine Sciences Faculty Publications
Airborne, Satellite and In-Situ optical and acoustical imaging provides a means to characterize surface and subsurface water conditions in shallow marine systems. An important research topic to be studied during dredging operations in harbors and navigable waterways is the movement of fluidized muds before, during and after dredging operations. The fluid movement of the surficial sediments in the form of flocs, muck and mud is important to estimate in order to model the transport of solids material during dredging operations. Movement of highly turbid bottom material creates a lutocline or near bottom nephelometric layers, reduces the penetration of light reaching …
Shallow Water Surface Gravity Wave Imaging, Spectra And Their Use In Shallow Water Dredging Operations, Charles R. Bostater, Bingyu Yang
Shallow Water Surface Gravity Wave Imaging, Spectra And Their Use In Shallow Water Dredging Operations, Charles R. Bostater, Bingyu Yang
Ocean Engineering and Marine Sciences Faculty Publications
Imaging of shallow waters using high resolution video imagery is described. Common to mono, stereo and trinocular imaging approaches from ground and airborne platforms is the need to validate the surface water wave field measurements, particularly the amplitude and specular reflectance of water surface small gravity waves. A technique for calibration and validation of water surface gravity wave field energy spectra is described. Results demonstrate the value of video imagery where water level staff gauges with approximately with 0.5 cm wave height accuracy are easily sensed using high definition videography. Essentially, a staff gauge placed in shallow water constructed from …
Use Of Ground Penetrating Radar For Determination Ofwater Table Depth And Subsurface Soil Characteristics At Kennedy Space Center, Gideon M. Hengari, Carlton R. Hall, Tim J. Kozusko, Charles R. Bostater
Use Of Ground Penetrating Radar For Determination Ofwater Table Depth And Subsurface Soil Characteristics At Kennedy Space Center, Gideon M. Hengari, Carlton R. Hall, Tim J. Kozusko, Charles R. Bostater
Ocean Engineering and Marine Sciences Faculty Publications
Sustainable use and management of natural resources require strategic responses using non-destructive tools to provide spatial and temporal data for decision making. Experiments conducted at John F. Kennedy Space Center (KSC) demonstrate ground penetrating radar (GPR) can provide high-resolution images showing depth to water tables. GPR data at KSC were acquired using a MALÅ Rough Terrain 100 MHz Antenna. Data indicate strong correlation (R²=0.80) between measured water table depth (shallow monitoring wells and soil auger) and GPR estimated depth. The study demonstrated the use of GPR to detect Holocene and Pleistocene depositional environments such as Anastasia Formation that consists of …
Operational Multi-Angle Hyperspectral Sensing For Feature Detection, Charles R. Bostater, Donald K. Brooks
Operational Multi-Angle Hyperspectral Sensing For Feature Detection, Charles R. Bostater, Donald K. Brooks
Ocean Engineering and Marine Sciences Faculty Publications
Remote sensing results of land and water surfaces from airborne and satellite platforms are dependent upon the illumination geometry and the sensor viewing geometry. Correction of pushbroom hyperspectral imagery can be achieved using bidirectional reflectance factors (BRF's) image features based upon their multi-angle hyperspectral signatures. Ground validation of features and targets utilize non-imaging sensors such as hemispherical goniometers. In this paper, a new linear translation based hyperspectral imaging goniometer system is described. Imagery and hyperspectral signatures obtained from a rotation stage platform and the new linear non-hemispherical goniometer system shows applications and a multi-angle correction approach for multi-angle hyperspectral pushbroom …
Acquisition Of Airborne Imagery In Support Of Deepwater Horizon Oil Spill Recovery Assessments, Charles R. Bostater, Frank Edgar Müller-Karger
Acquisition Of Airborne Imagery In Support Of Deepwater Horizon Oil Spill Recovery Assessments, Charles R. Bostater, Frank Edgar Müller-Karger
Ocean Engineering and Marine Sciences Faculty Publications
Remote sensing imagery was collected from a low flying aircraft along the near coastal waters of the Florida Panhandle and northern Gulf of Mexico and into Barataria Bay, Louisiana, USA, during March 2011. Imagery was acquired from an aircraft that simultaneously collected traditional photogrammetric film imagery, digital video, digital still images, and digital hyperspectral imagery. The original purpose of the project was to collect airborne imagery to support assessment of weathered oil in littoral areas influenced by the Deepwater Horizon oil and gas spill that occurred during the spring and summer of 2010. This paper describes the data acquired and …
Contrast Based Band Selection For Optimized Weathered Oil Detection In Hyperspectral Images, Florian Levaux, Charles R. Bostater, Xavier Neyt
Contrast Based Band Selection For Optimized Weathered Oil Detection In Hyperspectral Images, Florian Levaux, Charles R. Bostater, Xavier Neyt
Ocean Engineering and Marine Sciences Faculty Publications
Hyperspectral imagery offers unique benefits for detection of land and water features due to the information contained in reflectance signatures such as the bi-directional reflectance distribution function or BRDF. The reflectance signature directly shows the relative absorption and backscattering features of targets. These features can be very useful in shoreline monitoring or surveillance applications, for example to detect weathered oil. In real-time detection applications, processing of hyperspectral data can be an important tool and Optimal band selection is thus important in real time applications in order to select the essential bands using the absorption and backscatter information. In the present …
Airborne Multisensor Remote Sensing Systems For Subsurface Feature Detection In Littoral Zones, Charles R. Bostater
Airborne Multisensor Remote Sensing Systems For Subsurface Feature Detection In Littoral Zones, Charles R. Bostater
Ocean Engineering and Marine Sciences Faculty Publications
This paper describes low altitude mobile imaging of near coastal waters in the Northern Gulf of Mexico. A suite of mobile multispectral and hyperspectral sensors were flown between ∼1,000m to ∼3000m altitudes in order detect subsurface features in nearby wetlands and littoral zone areas following the Deepwater Horizon oil spill. In this paper techniques used to develop, integrate and calibrate the airborne sensors are described. The sensors include a multispectral digital frame camera system, a traditional photogrammetric camera, and a small custom hyperspectral imaging system with custom software. Ancillary sensors include include multiple differential GPS and inertial motion unit (IMU) …
Resolution Enhancement Optimizations For Hyperspectral And Multispectral Synthetic Image Fusion, Charles R. Bostater
Resolution Enhancement Optimizations For Hyperspectral And Multispectral Synthetic Image Fusion, Charles R. Bostater
Ocean Engineering and Marine Sciences Faculty Publications
Many sensor systems are available for sensing the earth surface from satellites as well as airborne and mobile platforms. Thus, fusing data from multiple sensors is becoming a common theme in earth remote sensing. A major goal of remote sensing image fusion is resolution enhancement. In this paper, optimization techniques are presented and discussed in order to help make an image fusion process a practical method for not only spectral signature based image analysis but also for algorithm development in remote sensing of water. The technique described and explored in this paper includes the identification of feature areas, stratified random …
Remote Sensing Of Shorelines Using Data Fusion Of Hyperspectral And Multispectral Imagery Acquired From Mobile And Fixed Platforms, Charles R. Bostater, Heather Frystacky
Remote Sensing Of Shorelines Using Data Fusion Of Hyperspectral And Multispectral Imagery Acquired From Mobile And Fixed Platforms, Charles R. Bostater, Heather Frystacky
Ocean Engineering and Marine Sciences Faculty Publications
An optimized data fusion methodology is presented and makes use of airborne and vessel mounted hyperspectral and multispectral imagery acquired at littoral zones in Florida and the northern Gulf of Mexico. The results demonstrate the use of hyperspectral-multispectral data fusion anomaly detection along shorelines and in surface and subsurface waters. Hyperspectral imagery utilized in the data fusion analysis was collected using a 64-1024 channel, 1376 pixel swath width; temperature stabilized sensing system; an integrated inertial motion unit; and differential GPS. The imaging system is calibrated using dual 18 inch calibration spheres, spectral line sources, and custom line targets. Simultaneously collected …
Potential Impacts Of The Deepwater Horizon Oil Spill On Large Pelagic Fishes, Sarah Frias-Torres, Charles R. Bostater
Potential Impacts Of The Deepwater Horizon Oil Spill On Large Pelagic Fishes, Sarah Frias-Torres, Charles R. Bostater
Ocean Engineering and Marine Sciences Faculty Publications
Biogeographical analyses provide insights on how the Deepwater Horizon oil spill impacted large pelagic fishes. We georeferenced historical ichthyoplankton surveys and published literature to map the spawning and larval areas of bluefin tuna, swordfish, blue marlin and whale shark sightings in the Gulf of Mexico with daily satellite-derived images detecting surface oil. The oil spill covered critical areas used by large pelagic fishes. Surface oil was detected in 100% of the northernmost whale shark sightings, in 32.8 % of the bluefin tuna spawning area and 38 % of the blue marlin larval area. No surface oil was detected in the …
Airborne Imaging Sensors For Environmental Monitoring & Surveillance In Support Of Oil Spills & Recovery Efforts, Charles R. Bostater, James W. Jones, Heather Frystacky, Gaelle Coppin, Florian Levaux, Xavier Neyt
Airborne Imaging Sensors For Environmental Monitoring & Surveillance In Support Of Oil Spills & Recovery Efforts, Charles R. Bostater, James W. Jones, Heather Frystacky, Gaelle Coppin, Florian Levaux, Xavier Neyt
Ocean Engineering and Marine Sciences Faculty Publications
Collection of pushbroom sensor imagery from a mobile platform requires corrections using inertial measurement units (IMU's) and DGPS in order to create useable imagery for environmental monitoring and surveillance of shorelines in freshwater systems, coastal littoral zones and harbor areas. This paper describes a suite of imaging systems used during collection of hyperspectral imagery in northern Florida panhandle and Gulf of Mexico airborne missions to detect weathered oil in coastal littoral zones. Underlying concepts of pushbroom imagery, the needed corrections for directional changes using DGPS and corrections for platform yaw, pitch, and roll using IMU data is described as well …
Modeling The Influence Of Water Waves Upon Remote Sensing Imagery: The Underwater Radiance Distribution And Shape Factors, Charles R. Bostater, Luce Bassetti, Lisa H. Huddleston
Modeling The Influence Of Water Waves Upon Remote Sensing Imagery: The Underwater Radiance Distribution And Shape Factors, Charles R. Bostater, Luce Bassetti, Lisa H. Huddleston
Ocean Engineering and Marine Sciences Faculty Publications
This paper describes the results of modeling the water wave surface and underwater light field as influenced by water waves using a Monte Carlo model (MCHSIM). Model and sensor data related to water column properties and benthic properties that influence the light upwelled from below the water - as observed from a sensor looking from below or above the water surface is presented. Synthetic image results using Monte Carlo techniques show the influence of water waves upon subsurface shape factors and these factors can be used in shallow water remote sensing algorithms that are based on underlying analytical models. The …
Analysis Of Simulated And Actual Airborne Remote Sensing Imagery For Characterization Of Surface Water Wave Effects, Charles R. Bostater, Heather Frystacky, Mate Nemes, Luce Bassetti
Analysis Of Simulated And Actual Airborne Remote Sensing Imagery For Characterization Of Surface Water Wave Effects, Charles R. Bostater, Heather Frystacky, Mate Nemes, Luce Bassetti
Ocean Engineering and Marine Sciences Faculty Publications
Simulated and airborne imagery demonstrate the ability to see manmade and natural objects below the water wave surface. Traditional photogrammetric imagery and airborne digital imagery both suffer from a loss in image clarity due to a number of factors, including the forward motion of the airborne platform. Blurring due to this effect can be calculated and an opto-mechanical system has been designed in order to help remove this effect. Forward motion blur can be shown to occur on the order of a several centimeters and calculation results are presented. The system is described and imagery is shown to demonstrate image …
Background And Study Concerning Water Wave Effects On Airborne Imagery, Charles R. Bostater
Background And Study Concerning Water Wave Effects On Airborne Imagery, Charles R. Bostater
Ocean Engineering and Marine Sciences Faculty Publications
This paper describes ongoing research and initial results regarding collection of airborne imagery for detection of submerged features in optically shallow water types. The approach is to utilize land surface, water surface and submerged or in-situ line targets of various types during the airborne flights or fixed platforms. The imagery collected by the airborne sensing systems is processed in concept to correct for the presence of the water surface wave effects and water column effects. The correction approach is based upon calculation of a residual image between either (a) the observed submerged target image and the non-submerged image or (2) …
Optimal Band Selection For Hyperspectral Remote Sensing Of Aquatic Benthic Features - A Wavelet Filter Window Approach, Charles R. Bostater
Optimal Band Selection For Hyperspectral Remote Sensing Of Aquatic Benthic Features - A Wavelet Filter Window Approach, Charles R. Bostater
Ocean Engineering and Marine Sciences Faculty Publications
This paper describes a wavelet based approach to derivative spectroscopy. The approach is utilized to select, through optimization, optimal channels or bands to use as derivative based remote sensing algorithms. The approach is applied to airborne and modeled or synthetic reflectance signatures of environmental media and features or objects within such media, such as benthic submerged vegetation canopies. The technique can also applied to selected pixels identified within a hyperspectral image cube obtained from an board an airborne, ground based, or subsurface mobile imaging system. This wavelet based image processing technique is an extremely fast numerical method to conduct higher …
Sensor Motion Control & Mobile Platforms For Aquatic Remote Sensing, Charles R. Bostater
Sensor Motion Control & Mobile Platforms For Aquatic Remote Sensing, Charles R. Bostater
Ocean Engineering and Marine Sciences Faculty Publications
Modern remote sensing systems used in repetitive environmental monitoring and surveillance applications are used on various platforms. These platforms can be categorized as stationary (fixed) or moving platforms. The sensing systems monitor the ambient environment which also may have inherent motion, such as the water surface with water waves. This is particularly the case for airborne or ship borne sensing of aquatic environments and is true for ground based walking or crawling systems. The time sequential comparison and spatial registration of sensor images, particularly "hyperspectral imagery" requires pixel to pixel registration for science based change and target (or medium) detection …
A Pixel To Pixel Hyperspectral Synthetic Image Model Inter-Comparison Study, Charles R. Bostater, Luce Bassetti
A Pixel To Pixel Hyperspectral Synthetic Image Model Inter-Comparison Study, Charles R. Bostater, Luce Bassetti
Ocean Engineering and Marine Sciences Faculty Publications
The purpose of this paper is to present simulation results comparing e a Monte Carlo Hyperspectral Simulation Model (MCHSIM) which generates synthetic images with realistic water wave surface to an iterative layered radiative transfer model used to generate hyperspectral synthetic images with realistic water wave surfaces. The Monte Carlo model is divided into 5 steps: (1) generation of the photons, (2) tracking of the photon optical path and simultaneously (3) recording of the photon's location within the water column, (4) a tabulation of the photon location or positions, and conversion to meaningful radiometric quantities and (5) a calculation and processing …
Implementation Of A Ground Truth Process For Development Of A Submerged Aquatic Vegetation (Sav) Mapping Protocol Using Hyperspectral Imagery, Carlton R. Hall, Charles R. Bostater, Robert W. Virnstein
Implementation Of A Ground Truth Process For Development Of A Submerged Aquatic Vegetation (Sav) Mapping Protocol Using Hyperspectral Imagery, Carlton R. Hall, Charles R. Bostater, Robert W. Virnstein
Ocean Engineering and Marine Sciences Faculty Publications
Protocol development for science based mapping of submerged aquatic vegetation (SAV) requires comprehensive ground truth data describing the full range of variability observed in the target. The Indian River Lagoon, Florida, extends along 250 km of the east central Florida coast adjacent to the Atlantic Ocean. The lagoon crosses the transition zone between the Caribbean and Carolinian zoogeographic provinces making it highly diverse. For large scale mapping and management of SAV four common and three uncommon species of seagrass (Tracheophyta) and three broad groups of macroalgae; red algae (Rhodophyta), green algae (Chlorophyta), and brown algae (Phaeophyta) are recognized. Based on …
On Reduction Of Risks In Uxo And Mine Detection Using Remote Sensing Systems And Related Synthetic Image Simulation, Charles R. Bostater
On Reduction Of Risks In Uxo And Mine Detection Using Remote Sensing Systems And Related Synthetic Image Simulation, Charles R. Bostater
Ocean Engineering and Marine Sciences Faculty Publications
It is important to understand remote sensing systems and associated platforms in the context of autonomous or semi-autonomous designs for (robotic & mechatronics) that may be affect the motion control or stabilization aspects of the imagery, scan lines or fixed points scanned. This need can be most easily conceived as being related to the reduction of risks associated with false detection as well as the risks associated with hardware and software failure and risks associated with the actual operation of sensor and platform in dangerous environments. Thus safety is ultimately our concern when it comes to risk assessment. This paper …
Hyperspectral Simulation And Recovery Of Submerged Targets In Turbid Waters, Charles R. Bostater
Hyperspectral Simulation And Recovery Of Submerged Targets In Turbid Waters, Charles R. Bostater
Ocean Engineering and Marine Sciences Faculty Publications
Modeled hyperspectral reflectance signatures just above the water surface are obtained from radiative transfer models to create synthetic images of targets below the water surface. Images are displayed as 24 bit RGB images of the water surface using selected channels. Example model outputs are presented in this paper for a hyperspectral Monte Carlo and a hyperspectral layered analytical iterative model of radiative transport within turbid shallow water types. Images at the selected wavelengths or channels centered at 490, 530 and 680 nm suggests the two models provide quite similar results when displayed as RGB images. The techniques are demonstrated to …