Prashanth Marpu
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View article: GIQ - Revolutionizing Geospatial Ecosystem Development Through Public-Private Partnerships
GIQ - Revolutionizing Geospatial Ecosystem Development Through Public-Private Partnerships Open
The exponential growth of Earth observation (EO) data has created an urgent need for scalable, artificial intelligence (AI)-driven geospatial analytics platforms. Traditional GIS systems require specialized expertise, limiting their access…
View article: Validation of UWG and ENVI-met models in an Abu Dhabi District, based on site measurements
Validation of UWG and ENVI-met models in an Abu Dhabi District, based on site measurements Open
The city of Abu Dhabi is growing every year in population, urban extent and energy demand. This research focuses on the application of two simulation programs to estimate changes in urban climate associated with continued development in Ab…
View article: Overview of Alainsat-1 Mission: A Remote Sensing Student Nanosatellite
Overview of Alainsat-1 Mission: A Remote Sensing Student Nanosatellite Open
AlainSat-1 is an educational and scientific nanosatellite project that was initiated in late 2019 by the IEEE Geoscience and Remote Sensing Society (GRSS) along with National Space Science and Technology Center (NSSTC) of UAE University in…
View article: Change detection using multi-scale convolutional feature maps of bi-temporal satellite high-resolution images
Change detection using multi-scale convolutional feature maps of bi-temporal satellite high-resolution images Open
Change detection in high-resolution satellite images is essential to understanding the land surface (e.g. agriculture and urban change) or maritime surface (e.g. oil spilling). Many deep-learning-based change detection methods have been pr…
View article: Fault Analysis and Mitigation Techniques of the I2C Bus for Nanosatellite Missions
Fault Analysis and Mitigation Techniques of the I2C Bus for Nanosatellite Missions Open
Despite the reliability concerns that are associated with the I2C bus, it is still one of the most popular on-board data busses to be used in nanosatellite missions. This paper provides a detailed fault analysis for the I2C bus in the cont…
View article: Machine Learning-Based Estimation of PM<sub>2.5</sub> Concentration Using Ground Surface DoFP Polarimeters
Machine Learning-Based Estimation of PM<sub>2.5</sub> Concentration Using Ground Surface DoFP Polarimeters Open
In this paper, we propose a machine learning system for the estimation of atmospheric particulate matter (PM) concentration, specifically, particles with a maximum diameter of 2.5μm . These very fine particles, also known as PM2.5 particle…
View article: A Complete Mission Concept Design and Analysis of the Student-Led CubeSat Project: Light-1
A Complete Mission Concept Design and Analysis of the Student-Led CubeSat Project: Light-1 Open
Terrestrial gamma ray flashes (TGF) are intense and prompt bursts of X- and gamma-rays of up to 100 MeV of energy. Typically associated with thunderstorm activity, TGFs are produced by bremsstrahlung effects of electrons accelerated in str…
View article: Automatic Generation of Seamless Mosaics Using Invariant Features
Automatic Generation of Seamless Mosaics Using Invariant Features Open
The acquisition of satellite images over a wide area is often carried out across seasons because of satellite orbits and atmospheric conditions (e.g., cloud cover, dust, etc.). This results in spectral mismatch between adjacent scenes as t…
View article: Extraction of urban multi-class from high-resolution images using pyramid generative adversarial networks
Extraction of urban multi-class from high-resolution images using pyramid generative adversarial networks Open
The extraction of man-made structures from high-resolution images plays a vital role in various urban applications. This task is regularly complicated due to the heterogeneous appearance of the objects in the satellite images. In this work…
View article: Modeling directional distributions of wind data in the United Arab Emirates at different elevations
Modeling directional distributions of wind data in the United Arab Emirates at different elevations Open
Modeling wind speed and direction are crucial in several applications such as the estimation of wind energy potential and the study of the long-term effects on engineering structures. While there have been several studies on modeling wind …
View article: A Review of Requirements for Gamma Radiation Detection in Space Using CubeSats
A Review of Requirements for Gamma Radiation Detection in Space Using CubeSats Open
Initially intended as student-led projects at universities and research institutions, the CubeSats now represent a unique opportunity to access space quickly and in a cost-effective fashion. CubeSats are standard and miniaturized satellite…
View article: A Highly Modular Software Framework for Reducing Software Development Time of Nanosatellites
A Highly Modular Software Framework for Reducing Software Development Time of Nanosatellites Open
The standardization of the physical aspects of nanosatellites (also known as CubeSats) and their wide adoption in academia and industry has made the mass production and availability of off-the-shelf components possible. While this has led …
View article: Tree Cover and Diversity Modulate the Response of Carbon Storage to Precipitation Variability in an Indian Semi-Arid Forest
Tree Cover and Diversity Modulate the Response of Carbon Storage to Precipitation Variability in an Indian Semi-Arid Forest Open
Water availability is the central limiting factor for vegetation carbon allocation in semi-arid forests.However, the sensitivity of this relationship likely varies as a function of total tree cover and tree diversity.In the present study, …
View article: Characterization of Local Climate Zones Using ENVI-met and Site Data in the City of Al-Ain, UAE
Characterization of Local Climate Zones Using ENVI-met and Site Data in the City of Al-Ain, UAE Open
The rapid urbanization of the UAE, including medium sized cities like Al Ain City, has a significant relationship to local micro-climatic change.Al-Ain city in the southeast of the UAE and was originally an oasis.It has a hot and arid clim…
View article: River basin salinization as a form of aridity
River basin salinization as a form of aridity Open
Significance Combining observations and model results, we show that soil salinization does affect the long-term soil–water balance of saline river basins, eventually acting as an aridity enhancer. The strength of this control depends on th…
View article: Coral Reefs of Abu Dhabi, United Arab Emirates: Analysis of Management Approaches in Light of International Best Practices and a Changing Climate
Coral Reefs of Abu Dhabi, United Arab Emirates: Analysis of Management Approaches in Light of International Best Practices and a Changing Climate Open
The coasts and islands that flank Abu Dhabi, the United Arab Emirates (UAE)’s largest
\nemirate, host the country’s most significant coastal and marine habitats including coral
\nreefs. These reefs, although subject to a variety of pressur…
View article: Inferring Species Diversity and Variability over Climatic Gradient with Spectral Diversity Metrics
Inferring Species Diversity and Variability over Climatic Gradient with Spectral Diversity Metrics Open
Filling in the void between forest ecology and remote sensing through monitoring biodiversity variables is of great interest. In this study, we utilized imaging spectroscopy data from the ISRO–NASA Airborne Visible InfraRed Imaging Spectro…
View article: Development of a Metal-to-Metal Mid-Field Shock Test Procedure for Nanosatellites
Development of a Metal-to-Metal Mid-Field Shock Test Procedure for Nanosatellites Open
Pyroshock events during a Nanosatellite launch might lead to mission failure. Therefore, it is important to be able to simulate such events during mission design. This study introduces a procedure to perform the Nanosatellite qualification…
View article: Local Climate Zones Definition in Relation to ENVI-met in the City of Dubai, UAE.
Local Climate Zones Definition in Relation to ENVI-met in the City of Dubai, UAE. Open
The city of Dubai has experienced a rapid urban growth in the last 60 years. Located in the north west of the United Arab Emirates, Dubai has a linear development expanding mainly towards the coast. However recently this expansion is going…
View article: AI-Based Novel Camera System with Software Defined Radio Transceiver On-board
AI-Based Novel Camera System with Software Defined Radio Transceiver On-board Open
Standard RGB camera combines the number of pixels to perform RGB color, so for having each color represented in each pixel separately, three different cameras are required with different band pass filters that allow only the required color…
View article: Light-1: A 3U CubeSat for Detecting and Monitoring Terrestrial Gamma Ray Flashes - System Design and Concept of Operations
Light-1: A 3U CubeSat for Detecting and Monitoring Terrestrial Gamma Ray Flashes - System Design and Concept of Operations Open
Thunderstorms produce numerous spontaneous flashes of gamma rays which occur very briefly, with time periods of less than a fraction of a second. These extremely high energy particles have a magnitude similar to radiation worth 400 chest X…
View article: A Study of Local Climate Zones in Abu Dhabi with Urban Weather Stations and Numerical Simulations
A Study of Local Climate Zones in Abu Dhabi with Urban Weather Stations and Numerical Simulations Open
In many cities that have experienced rapid growth like Abu Dhabi, urban microclimate scenarios evolve rapidly as well and it is important to study the urban thermal dynamics continuously. The Local Climate Zone (LCZ) classification conside…
View article: MeznSat—A 3U CubeSat for Monitoring Greenhouse Gases Using Short Wave Infra-Red Spectrometry: Mission Concept and Analysis
MeznSat—A 3U CubeSat for Monitoring Greenhouse Gases Using Short Wave Infra-Red Spectrometry: Mission Concept and Analysis Open
Climate change and global warming are attributed to the increased levels of greenhouse Gases in the atmosphere. Miniature low-cost, lightweight instruments on-board low-cost nanosatellite platforms such as CubeSats could be used to provide…
View article: Validation of UWG and ENVI-Met Models in an Abu Dhabi District, Based on Site Measurements
Validation of UWG and ENVI-Met Models in an Abu Dhabi District, Based on Site Measurements Open
The city of Abu Dhabi is growing every year in population, urban extent and energy demand. This research focuses on the application of two simulation programs to estimate changes in urban climate associated with continued development in Ab…
View article: Towards Automatic Extraction and Updating of VGI-Based Road Networks Using Deep Learning
Towards Automatic Extraction and Updating of VGI-Based Road Networks Using Deep Learning Open
This work presents an approach to road network extraction in remote sensing images. In our earlier work, we worked on the extraction of the road network using a multi-agent approach guided by Volunteered Geographic Information (VGI). The l…
View article: The Role of Small Satellites in the Establishment of the Gulf Region's First Graduate Level Space Studies Program
The Role of Small Satellites in the Establishment of the Gulf Region's First Graduate Level Space Studies Program Open
Yahsat, Northrop Grumman, and Khalifa University created the Gulf region's first master's level advanced studies space program. To date this program has graduated three classes of master's students and received accolades from the UAE Space…
View article: Foreword to the Special Issue on Urban Remote Sensing for Smarter Cities
Foreword to the Special Issue on Urban Remote Sensing for Smarter Cities Open
International audience
View article: Segmentation based traversing-agent approach for road width extraction from satellite images using volunteered geographic information
Segmentation based traversing-agent approach for road width extraction from satellite images using volunteered geographic information Open
We make use of the Volunteered Geographic Information (VGI) data to extract the total extent of the roads using remote sensing images. VGI data is often provided only as vector data represented by lines and not as full extent. Also, high g…
View article: Continuous Mapping and Monitoring Framework for Habitat Analysis in the United Arab Emirates
Continuous Mapping and Monitoring Framework for Habitat Analysis in the United Arab Emirates Open
In 2015, the Environment Agency—Abu Dhabi developed the extensive Abu Dhabi Habitat, Land Use, Land Cover Map based on very high resolution satellite imagery acquired between 2011 and 2013. This was the first integrated effort at such a sc…