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Author: Fernando Carvajal-Ramírez Publisher: MDPI ISBN: 3036514546 Category : Technology & Engineering Languages : en Pages : 257
Book Description
The concept of remote sensing as a way of capturing information from an object without making contact with it has, until recently, been exclusively focused on the use of Earth observation satellites. The emergence of unmanned aerial vehicles (UAV) with Global Navigation Satellite System (GNSS) controlled navigation and sensor-carrying capabilities has increased the number of publications related to new remote sensing from much closer distances. Previous knowledge about the behavior of the Earth's surface under the incidence different wavelengths of energy has been successfully applied to a large amount of data recorded from UAVs, thereby increasing the special and temporal resolution of the products obtained. More specifically, the ability of UAVs to be positioned in the air at pre-programmed coordinate points; to track flight paths; and in any case, to record the coordinates of the sensor position at the time of the shot and at the pitch, yaw, and roll angles have opened an interesting field of applications for low-altitude aerial photogrammetry, known as UAV photogrammetry. In addition, photogrammetric data processing has been improved thanks to the combination of new algorithms, e.g., structure from motion (SfM), which solves the collinearity equations without the need for any control point, producing a cloud of points referenced to an arbitrary coordinate system and a full camera calibration, and the multi-view stereopsis (MVS) algorithm, which applies an expanding procedure of sparse set of matched keypoints in order to obtain a dense point cloud. The set of technical advances described above allows for geometric modeling of terrain surfaces with high accuracy, minimizing the need for topographic campaigns for georeferencing of such products. This Special Issue aims to compile some applications realized thanks to the synergies established between new remote sensing from close distances and UAV photogrammetry.
Author: Fernando Carvajal-Ramírez Publisher: MDPI ISBN: 3036514546 Category : Technology & Engineering Languages : en Pages : 257
Book Description
The concept of remote sensing as a way of capturing information from an object without making contact with it has, until recently, been exclusively focused on the use of Earth observation satellites. The emergence of unmanned aerial vehicles (UAV) with Global Navigation Satellite System (GNSS) controlled navigation and sensor-carrying capabilities has increased the number of publications related to new remote sensing from much closer distances. Previous knowledge about the behavior of the Earth's surface under the incidence different wavelengths of energy has been successfully applied to a large amount of data recorded from UAVs, thereby increasing the special and temporal resolution of the products obtained. More specifically, the ability of UAVs to be positioned in the air at pre-programmed coordinate points; to track flight paths; and in any case, to record the coordinates of the sensor position at the time of the shot and at the pitch, yaw, and roll angles have opened an interesting field of applications for low-altitude aerial photogrammetry, known as UAV photogrammetry. In addition, photogrammetric data processing has been improved thanks to the combination of new algorithms, e.g., structure from motion (SfM), which solves the collinearity equations without the need for any control point, producing a cloud of points referenced to an arbitrary coordinate system and a full camera calibration, and the multi-view stereopsis (MVS) algorithm, which applies an expanding procedure of sparse set of matched keypoints in order to obtain a dense point cloud. The set of technical advances described above allows for geometric modeling of terrain surfaces with high accuracy, minimizing the need for topographic campaigns for georeferencing of such products. This Special Issue aims to compile some applications realized thanks to the synergies established between new remote sensing from close distances and UAV photogrammetry.
Author: Kike Calvo Publisher: Blurb ISBN: 9781320369510 Category : Reference Languages : en Pages : 72
Book Description
"Photogrammetry with unmanned aerial vehicles (UAVs or drones) is a rapidlymaturing technology. Being versatile and inexpensive, it has the potentialto offer solutions in a wide range of applications, such as forestry inventory, precision agriculture, flood hazard assessment, pollution monitoring, land survey, and integrity assessment of industrial facilities. Written in the form of a fieldguide, this book explains, in easy-to-understand language, basic concepts ofphotogrammetry and spatial data, and techniques for mosaicking drone photos.The book is not intended as a complete "do-it-yourself" guide, but after reading it, you get a good sense about what hardware and software parts you will need toassemble a drone system on your own. Or if you have the funds, simply purchasea commercial product and follow the steps laid out in the book to design yourapplication. Towards that end, you will find the survey of industrial leaders ofenvironmental drone applications particularly useful.The author of the book, Kike Calvo, is an experienced National GeographicCreative photographer. The explanation of technical jargons is based on his ownexperience and interviews with his colleagues. Some of the questions and answersare included in the book. These are questions you probably would have and Calvohas already got expert answers for you. I find this style of writing quite effective, injecting liveness into what otherwise could be dry reading.UAV photogrammetry is not just about obtaining pretty pictures. To realize itspotential you must "georeference" the pictures, produce an "orthomosaic," andmake "3D point clouds." Read the book to find out what all these mean, and muchmore."Foreword by Xuhui Lee. Sara Shallenberger Brown Professor, Yale University.Editor-in-Chief, Agricultural and Forest Meteorol
Author: Edward M. Mikhail Publisher: John Wiley & Sons ISBN: 0471309249 Category : Technology & Engineering Languages : en Pages : 498
Book Description
This text is designed to give students a strong grounding in the mathematical basis of photogrammetry while introducing them to related fields, such as remote sensing and digital image processing. Suitable for undergraduate photogrammetry courses typically aimed at junior and senior students, and for graduate-level courses at the Master's level. Excellent reference for those working in related fields.
Author: Amy E. Frazier Publisher: CRC Press ISBN: 1000401952 Category : Technology & Engineering Languages : en Pages : 385
Book Description
Unmanned aircraft systems (UAS) are rapidly emerging as flexible platforms for capturing imagery and other data across the sciences. Many colleges and universities are developing courses on UAS-based data acquisition. Fundamentals of Capturing and Processing Drone Imagery and Data is a comprehensive, introductory text on how to use unmanned aircraft systems for data capture and analysis. It provides best practices for planning data capture missions and hands-on learning modules geared toward UAS data collection, processing, and applications. FEATURES Lays out a step-by-step approach to identify relevant tools and methods for UAS data/image acquisition and processing Provides practical hands-on knowledge with visual interpretation, well-organized and designed for a typical 16-week UAS course offered on college and university campuses Suitable for all levels of readers and does not require prior knowledge of UAS, remote sensing, digital image processing, or geospatial analytics Includes real-world environmental applications along with data interpretations and software used, often nonproprietary Combines the expertise of a wide range of UAS researchers and practitioners across the geospatial sciences This book provides a general introduction to drones along with a series of hands-on exercises that students and researchers can engage with to learn to integrate drone data into real-world applications. No prior background in remote sensing, GIS, or drone knowledge is needed to use this book. Readers will learn to process different types of UAS imagery for applications (such as precision agriculture, forestry, urban landscapes) and apply this knowledge in environmental monitoring and land-use studies.
Author: James S. Aber Publisher: Academic Press ISBN: 0128129433 Category : Science Languages : en Pages : 396
Book Description
Small Format Aerial Photography and UAS Imagery: Principles, Techniques and Geoscience Applications, Second Edition, provides basic and advanced principles and techniques for Small Format Aerial Photography (SFAP), focusing on manned and unmanned aerial systems, including drones, kites, blimps, powered paragliders, and fixed wing and copter SFAP. The authors focus on everything from digital image processing and interpretation of data, to travel and setup for the best result, making this a comprehensive guide for any user. Nine case studies in a variety of environments, including gullies, high altitudes, wetlands and recreational architecture are included to enhance learning. This new edition includes small unmanned aerial systems (UAS) and discusses changes in legal practices across the globe. In addition, the book presents the history of SFAP, providing background and context for new developments. - Provides background and context for new developments in SFAP - Covers the legal implications for small format aerial systems in different countries - Discusses unmanned aerial systems (drones) and their applications - Features new case studies for different applications, including vineyard monitoring and impacts of wind energy
Author: Francesco Mancini Publisher: MDPI ISBN: 3039281801 Category : Science Languages : en Pages : 154
Book Description
The book presents a collection of papers focused on recent progress in key areas of photogrammetry for environmental research. Applications oriented to the understanding of natural phenomena and quantitative processes using dataset from photogrammetry (from satellite to unmanned aerial vehicle images) and terrestrial laser scanning, also by a diachronic approach, are reported. The book covers topics of interest of many disciplines from geography, geomorphology, engineering geology, geotechnology, including landscape description and coastal studies. Mains issues faced by the book are related to applications on coastal monitoring, using multitemporal aerial images, and investigations on geomorphological hazard by the joint use of proximal photogrammetry, terrestrial and aerial laser scanning aimed to the reconstruction of detailed surface topography and successive 2D/3D numerical simulations for rock slope stability analyses. Results reported in the book bring into evidence the fundamental role of multitemporal surveys and reliable reconstruction of morphologies from photogrammetry and laser scanning as support to environmental researches.
Author: Salvatore Manfreda Publisher: Elsevier ISBN: 032385284X Category : Science Languages : en Pages : 353
Book Description
Unmanned Aerial Systems for Monitoring Soil, Vegetation, and Riverine Environments provides an overview of how unmanned aerial systems have revolutionized our capability to monitor river systems, soil characteristics, and related processes at unparalleled spatio-temporal resolutions. This capability has enabled enhancements in our capacity to describe water cycle and hydrological processes. The book includes guidelines, technical advice, and practical experience to support practitioners and scientists in increasing the efficiency of monitoring with the help of UAS. The book contains field survey datasets to use as practical exercises, allowing proposed techniques and methods to be applied to real world case studies. - Includes a summary of technical UAS issues allowing readers to focus on how the exact technology fits their scientific question - Provides specific applications enabling readers to understand the benefits and threats within the field - Includes a comprehensive literature review in each chapter, allowing readers to know the key players and research in the field
Author: David R. Green Publisher: CRC Press ISBN: 0429529341 Category : Technology & Engineering Languages : en Pages : 484
Book Description
Unmanned Aircraft Systems (UAS) are a rapidly evolving technology with an expanding array of diverse applications. In response to the continuing evolution of this technology, this book discusses unmanned aerial vehicles (UAVs) and similar systems, platforms and sensors, as well as exploring some of their environmental applications. It explains how they can be used for mapping, monitoring, and modeling a wide variety of different environmental aspects, and at the same time addresses some of the current constraints placed on realizing the potential use of the technology such as s flight duration and distance, safety, and the invasion of privacy etc. Features of the book: Provides necessary theoretical foundations for pertinent subject matter areas Introduces the role and value of UAVs for geographical data acquisition, and the ways to acquire and process the data Provides a synthesis of ongoing research and a focus on the use of technology for small-scale image and spatial data acquisition in an environmental context Written by experts of the technology who bring together UAS tools and resources for the environmental specialist Unmanned Aerial Remote Sensing: UAS for Environmental Applications is an excellent resource for any practitioner utilizing remote sensing and other geospatial technologies for environmental applications, such as conservation, research, and planning. Students and academics in information science, environment and natural resources, geosciences, and geography, will likewise find this comprehensive book a useful and informative resource.
Author: Fernando Carvajal-Ramírez
Author: Fernando Carvajal-Ramírez
Author: Henri Eisenbeiß
Author: Kike Calvo
Author: Edward M. Mikhail
Author: Amy E. Frazier
Author: James S. Aber
Author: Felipe Gonzalez Toro
Author: Francesco Mancini
Author: Salvatore Manfreda
Author: David R. Green