Lidar Based Mobile Mapping System For Lane Width Estimation In Work Zones

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LiDAR-Based Mobile Mapping System for Lane Width Estimation in Work Zones

Author : Ayman Habib,Yun-Jou Lin,Radhika Ravi,Tamer Shamseldin,Magdy Elbahnasawy
Publisher : Unknown
Page : 128 pages
File Size : 50,8 Mb
Release : 2019-02
Category : Electronic
ISBN : 1622605020

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LiDAR-Based Mobile Mapping System for Lane Width Estimation in Work Zones by Ayman Habib,Yun-Jou Lin,Radhika Ravi,Tamer Shamseldin,Magdy Elbahnasawy Pdf

Lane width evaluation is one of the crucial aspects in road safety inspection. Moreover, lane width is one of the most important attributes of a road digital map for many applications, such as driver assistance systems and risk assessment. Using mobile mapping systems (MMSs) equipped with laser scanners is a safe and cost-effective method for rapidly collecting detailed information about various characteristics along any transportation corridor. This report presents an approach to derive lane width estimates using point clouds acquired from a calibrated mobile mapping system. To derive point clouds with high positional accuracy, estimation of the mounting parameters relating the different laser scanners to the onboard GNSS/INS unit is the foremost and necessary step. This report proposes a multi-unit LiDAR system calibration procedure where the mounting parameters can be estimated through minimizing the normal distance between conjugate planar/linear features in overlapping point clouds derived from different drive-runs. After generating the LiDAR point cloud using the estimated mounting parameters, the road surface can be extracted with the assistance of navigation data, which in turn is used to identify lane markings. Lane markings have a high retro-reflective property that will be exhibited as high-intensity points when scanned by a laser scanner. This property can be used to distinguish lane markings from the extracted road surface in the LiDAR point cloud. Then, non-lane marking points among the extracted high-intensity points are identified and removed. Next, the lane marking centerline is derived for lane width estimation.

Topographic Laser Ranging and Scanning

Author : Jie Shan,Charles K. Toth
Publisher : CRC Press
Page : 638 pages
File Size : 53,9 Mb
Release : 2018-02-19
Category : Technology & Engineering
ISBN : 9781498772280

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Topographic Laser Ranging and Scanning by Jie Shan,Charles K. Toth Pdf

Topographic Laser Ranging and Scanning, Second Edition, provides a comprehensive discussion of topographic LiDAR principles, systems, data acquisition, and data processing techniques. This edition presents an introduction and summary of various LiDAR systems and their principles and addresses the operational principles of the different components and ranging methods of LiDAR systems. It discusses the subsequent geometric processing of LiDAR data, with particular attention to quality, accuracy, and meeting standards and addresses the theories and practices of information extraction from LiDAR data, including terrain surface generation, forest inventory, orthoimage generation, building reconstruction, and road extraction. Written by leaders in the field, this comprehensive compilation is a must-have reference book for senior undergraduate and graduate students majoring or working in diverse disciplines, such as geomatics, geodesy, natural resources, urban planning, computer vision, and computer graphics. It is also vital resource for researchers who are interested in developing new methods and need in-depth knowledge of laser scanning and data processing and other professionals may gain the same from the broad topics addressed in this book. New in the Second Edition: A comprehensive array of new laser ranging and scanning technologies. Developments in LiDAR data format and processing techniques. Regrouping of surface modeling, representations and reconstruction. Enhanced discussions on the principles and fundamentals beyond small-footprint pulsed laser systems and new application examples. Many new examples and illustrations.

International Advanced Researches & Engineering Congress 2017 Proceeding Book

Author : Recep HALICIOGLU,Hediye KIRLI AKIN,Yusuf FEDAI
Publisher : Dr. R. HALICIOGLU
Page : 2770 pages
File Size : 45,9 Mb
Release : 2017-12-29
Category : Technology & Engineering
ISBN : 9786052450376

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International Advanced Researches & Engineering Congress 2017 Proceeding Book by Recep HALICIOGLU,Hediye KIRLI AKIN,Yusuf FEDAI Pdf

INTERNATIONAL WORKSHOPS (at IAREC'17) (This book inclueds English (main) and Turkish languages) International Workshop on Mechanical Engineering International Workshop on Mechatronics Engineering International Workshop on Energy Systems Engineering International Workshop on Automotive Engineering and Aerospace Engineering International Workshop on Material Engineering International Workshop on Manufacturing Engineering International Workshop on Physics Engineering International Workshop on Electrical and Electronics Engineering International Workshop on Computer Engineering and Software Engineering International Workshop on Chemical Engineering International Workshop on Textile Engineering International Workshop on Architecture International Workshop on Civil Engineering International Workshop on Geomatics Engineering International Workshop on Industrial Engineering International Workshop on Food Engineering International Workshop on Aquaculture Engineering International Workshop on Agriculture Engineering International Workshop on Mathematics Engineering International Workshop on Bioengineering Engineering International Workshop on Biomedical Engineering International Workshop on Genetic Engineering International Workshop on Environmental Engineering International Workshop on Other Engineering Science

Urban Informatics

Author : Wenzhong Shi,Michael F. Goodchild,Michael Batty,Mei-Po Kwan,Anshu Zhang
Publisher : Springer Nature
Page : 941 pages
File Size : 53,6 Mb
Release : 2021-04-06
Category : Social Science
ISBN : 9789811589836

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Urban Informatics by Wenzhong Shi,Michael F. Goodchild,Michael Batty,Mei-Po Kwan,Anshu Zhang Pdf

This open access book is the first to systematically introduce the principles of urban informatics and its application to every aspect of the city that involves its functioning, control, management, and future planning. It introduces new models and tools being developed to understand and implement these technologies that enable cities to function more efficiently – to become ‘smart’ and ‘sustainable’. The smart city has quickly emerged as computers have become ever smaller to the point where they can be embedded into the very fabric of the city, as well as being central to new ways in which the population can communicate and act. When cities are wired in this way, they have the potential to become sentient and responsive, generating massive streams of ‘big’ data in real time as well as providing immense opportunities for extracting new forms of urban data through crowdsourcing. This book offers a comprehensive review of the methods that form the core of urban informatics from various kinds of urban remote sensing to new approaches to machine learning and statistical modelling. It provides a detailed technical introduction to the wide array of tools information scientists need to develop the key urban analytics that are fundamental to learning about the smart city, and it outlines ways in which these tools can be used to inform design and policy so that cities can become more efficient with a greater concern for environment and equity.

Guidelines for the Use of Mobile LIDAR in Transportation Applications

Author : Michael James Olsen
Publisher : Transportation Research Board
Page : 208 pages
File Size : 48,6 Mb
Release : 2013
Category : Highway planning
ISBN : 9780309259149

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Guidelines for the Use of Mobile LIDAR in Transportation Applications by Michael James Olsen Pdf

" TRB's National Cooperative Highway Research Program (NCHRP) Report 748: Guidelines for the Use of Mobile LIDAR in Transportation Applications presents guidelines for the application of mobile 3D light detection and ranging (LIDAR) technology to the operations of state departments of transportation. Mobile LIDAR uses laser scanning equipment mounted on vehicles in combination with global positioning systems (GPS) and inertial measurement units (IMU) to rapidly and safely capture large datasets necessary to create highly accurate, high resolution digital representations of roadways and their surroundings. " -- Publisher's description.

2018 International Interdisciplinary PhD Workshop (IIPhDW)

Author : IEEE Staff
Publisher : Unknown
Page : 128 pages
File Size : 54,7 Mb
Release : 2018-05-09
Category : Electronic
ISBN : 1538661446

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2018 International Interdisciplinary PhD Workshop (IIPhDW) by IEEE Staff Pdf

The International Interdisciplinary PhD Workshop will take place in winouj cie between 9 May and 12 May 2018 The goal is to gather PhD students in order to share knowledge and discuss problems related to their research and scientific interests The Workshop enables the participants to gain valuable experience that will reflect in their professional research careers Importantly, the event also provides the opportunity to integrate with the scientific community and develop informal contacts The session chairs are among the most renowned experts in the fields covered by the Workshop Thus, attending the event is the only way to meet these specialists and possibly ask some intricate questions

Laser Scanning Systems in Highway and Safety Assessment

Author : Biswajeet Pradhan,Maher Ibrahim Sameen
Publisher : Springer
Page : 165 pages
File Size : 46,5 Mb
Release : 2019-04-02
Category : Technology & Engineering
ISBN : 9783030103743

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Laser Scanning Systems in Highway and Safety Assessment by Biswajeet Pradhan,Maher Ibrahim Sameen Pdf

This book aims to promote the core understanding of a proper modelling of road traffic accidents by deep learning methods using traffic information and road geometry delineated from laser scanning data. The first two chapters of the book introduce the reader to laser scanning technology with creative explanation and graphical illustrations, review and recent methods of extracting geometric road parameters. The next three chapters present different machine learning and statistical techniques applied to extract road geometry information from laser scanning data. Chapters 6 and 7 present methods for modelling roadside features and automatic road geometry identification in vector data. After that, this book goes on reviewing methods used for road traffic accident modelling including accident frequency and injury severity of the traffic accident (Chapter 8). Then, the next chapter explores the details of neural networks and their performance in predicting the traffic accidents along with a comparison with common data mining models. Chapter 10 presents a novel hybrid model combining extreme gradient boosting and deep neural networks for predicting injury severity of road traffic accidents. This chapter is followed by deep learning applications in modelling accident data using feed-forward, convolutional, recurrent neural network models (Chapter 11). The final chapter (Chapter 12) presents a procedure for modelling traffic accident with little data based on the concept of transfer learning. This book aims to help graduate students, professionals, decision makers, and road planners in developing better traffic accident prediction models using advanced neural networks.

Vistas for Geodesy in the New Millennium

Author : Jozsef Adam,Klaus-Peter Schwarz
Publisher : Springer Science & Business Media
Page : 631 pages
File Size : 54,9 Mb
Release : 2013-06-29
Category : Science
ISBN : 9783662047095

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Vistas for Geodesy in the New Millennium by Jozsef Adam,Klaus-Peter Schwarz Pdf

It was in September 1906 that the predecessor of the IAG, the 'Internationale Erdmessung', th organized the 15 General Assembly at the Hungarian Academy of Sciences in Budapest. It was 95 years later, in September 2001, that the IAG returned to this beautiful city to hold its Scientific Assembly, IAG 2001, in the historical premises of the Academy. The meeting took place from September 2-7, 2001 and continued the tradition of Scientific Assemblies, started in Tokyo (1982) and continued in Edinburgh (1989), Beijing (1993) and Rio de Janeiro (1997). Held every four years at the midpoint between General Assemblies of the IAG, they focus on giving an integrated view of geodesy to a broad spectrum of researchers and practitioners in geodesy and geophysics. The convenient location of the main building of the Hungarian Academy in downtown Budapest and the superb efforts of the Local Organizing Committee contributed in a major way to the excellent atmosphere of the meeting. As at previous meetings, the scientific part of the program was organized as a series of symposia which, as a whole, gave a broad overview of actual geodetic research activities. To emphasize an integrated view of geodesy, the symposia did not follow the pattern of the IAG Sections, but focussed on current research topics to which several IAG Sections could contribute. Each symposium had 5 sessions with presented papers and poster sessions on two consecutive days.

Remote Sensing of Soil and Land Surface Processes

Author : Assefa M. Melesse,Omid Rahmati,Khabat Khsoravi
Publisher : Elsevier
Page : 468 pages
File Size : 52,8 Mb
Release : 2023-10-31
Category : Science
ISBN : 9780443153426

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Remote Sensing of Soil and Land Surface Processes by Assefa M. Melesse,Omid Rahmati,Khabat Khsoravi Pdf

Remote Sensing of Soil and Land Surface Processes: Monitoring, Mapping, and Modeling couples artificial intelligence and remote sensing for mapping and modeling natural resources, thus expanding the applicability of AI and machine learning for soils and landscape studies and providing a hybridized approach that also increases the accuracy of image analysis. The book covers topics including digital soil mapping, satellite land surface imagery, assessment of land degradation, and deep learning networks and their applicability to land surface processes and natural hazards, including case studies and real life examples where appropriate. This book offers postgraduates, researchers and academics the latest techniques in remote sensing and geoinformation technologies to monitor soil and surface processes. ? Introduces object-based concepts and applications, enhancing monitoring capabilities and increasing the accuracy of mapping ? Couples artificial intelligence and remote sensing for mapping and modeling natural resources, expanding the applicability of AI and machine learning for soils and sediment studies ? Includes the use of new sensors and their applications to soils and sediment characterization ???????? Includes case studies from a variety of geographical areas

Advances in Mobile Mapping Technology

Author : C. Vincent Tao,Jonathan Li
Publisher : CRC Press
Page : 193 pages
File Size : 42,6 Mb
Release : 2007-02-08
Category : Science
ISBN : 9780203961872

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Advances in Mobile Mapping Technology by C. Vincent Tao,Jonathan Li Pdf

The growing market penetration of Internet mapping, satellite imaging and personal navigation has opened up great research and business opportunities to geospatial communities. Multi-platform and multi-sensor integrated mapping technology has clearly established a trend towards fast geospatial data acquisition. Sensors can be mounted on various pla

Gravel Roads

Author : Ken Skorseth
Publisher : Unknown
Page : 112 pages
File Size : 53,8 Mb
Release : 2000
Category : Gravel roads
ISBN : IND:30000080360005

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Gravel Roads by Ken Skorseth Pdf

The purpose of this manual is to provide clear and helpful information for maintaining gravel roads. Very little technical help is available to small agencies that are responsible for managing these roads. Gravel road maintenance has traditionally been "more of an art than a science" and very few formal standards exist. This manual contains guidelines to help answer the questions that arise concerning gravel road maintenance such as: What is enough surface crown? What is too much? What causes corrugation? The information is as nontechnical as possible without sacrificing clear guidelines and instructions on how to do the job right.

Topographic Laser Ranging and Scanning

Author : Jie Shan,Charles K. Toth
Publisher : CRC Press
Page : 590 pages
File Size : 48,6 Mb
Release : 2017-12-19
Category : Technology & Engineering
ISBN : 9781420051438

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Topographic Laser Ranging and Scanning by Jie Shan,Charles K. Toth Pdf

A systematic, in-depth introduction to theories and principles of Light Detection and Ranging (LiDAR) technology is long overdue, as it is the most important geospatial data acquisition technology to be introduced in recent years. An advanced discussion, this text fills the void. Professionals in fields ranging from geology, geography and geoinformatics to physics, transportation, and law enforcement will benefit from this comprehensive discussion of topographic LiDAR principles, systems, data acquisition, and data processing techniques. The book covers ranging and scanning fundamentals, and broad, contemporary analysis of airborne LiDAR systems, as well as those situated on land and in space. The authors present data collection at the signal level in terms of waveforms and their properties; at the system level with regard to calibration and georeferencing; and at the data level to discuss error budget, quality control, and data organization. They devote the bulk of the book to LiDAR data processing and information extraction and elaborate on recent developments in building extraction and reconstruction, highlighting quality and performance evaluations. There is also extensive discussion of the state-of-the-art technological developments used in: filtering algorithms for digital terrain model generation; strip adjustment of data for registration; co-registration of LiDAR data with imagery; forestry inventory; and surveying. Readers get insight into why LiDAR is the effective tool of choice to collect massive volumes of explicit 3-D data with unprecedented accuracy and simplicity. Compiled by leading experts talking about much of their own pioneering work, this book will give researchers, professionals, and senior students novel ideas to supplement their own experience and practices.

Probabilistic Robotics

Author : Sebastian Thrun,Wolfram Burgard,Dieter Fox
Publisher : MIT Press
Page : 668 pages
File Size : 44,8 Mb
Release : 2005-08-19
Category : Technology & Engineering
ISBN : 9780262201629

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Probabilistic Robotics by Sebastian Thrun,Wolfram Burgard,Dieter Fox Pdf

An introduction to the techniques and algorithms of the newest field in robotics. Probabilistic robotics is a new and growing area in robotics, concerned with perception and control in the face of uncertainty. Building on the field of mathematical statistics, probabilistic robotics endows robots with a new level of robustness in real-world situations. This book introduces the reader to a wealth of techniques and algorithms in the field. All algorithms are based on a single overarching mathematical foundation. Each chapter provides example implementations in pseudo code, detailed mathematical derivations, discussions from a practitioner's perspective, and extensive lists of exercises and class projects. The book's Web site, www.probabilistic-robotics.org, has additional material. The book is relevant for anyone involved in robotic software development and scientific research. It will also be of interest to applied statisticians and engineers dealing with real-world sensor data.

Intelligent Sensors for Positioning, Tracking, Monitoring, Navigation and Smart Sensing in Smart Cities

Author : Tiancheng Li,Junkun Yan,Yue Cao
Publisher : MDPI
Page : 266 pages
File Size : 50,6 Mb
Release : 2021-03-04
Category : Technology & Engineering
ISBN : 9783036501222

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Intelligent Sensors for Positioning, Tracking, Monitoring, Navigation and Smart Sensing in Smart Cities by Tiancheng Li,Junkun Yan,Yue Cao Pdf

The rapid development of advanced, arguably, intelligent sensors and their massive deployment provide a foundation for new paradigms to combat the challenges that arise in significant tasks such as positioning, tracking, navigation, and smart sensing in various environments. Relevant advances in artificial intelligence (AI) and machine learning (ML) are also finding rapid adoption by industry and fan the fire. Consequently, research on intelligent sensing systems and technologies has attracted considerable attention during the past decade, leading to a variety of effective applications related to intelligent transportation, autonomous vehicles, wearable computing, wireless sensor networks (WSN), and the internet of things (IoT). In particular, the sensors community has a great interest in novel, intelligent information fusion, and data mining methods coupling AI and ML for substantial performance enhancement, especially for the challenging scenarios that make traditional approaches inappropriate. This reprint book has collected 14 excellent papers that represent state-of-the-art achievements in the relevant topics and provides cutting-edge coverage of recent advances in sensor signal and data mining techniques, algorithms, and approaches, particularly applied for positioning, tracking, navigation, and smart sensing.

Excavation & Grading Handbook

Author : Nick Capachi
Publisher : Craftsman Book Company
Page : 390 pages
File Size : 49,8 Mb
Release : 1987
Category : Earthwork
ISBN : 0934041296

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Excavation & Grading Handbook by Nick Capachi Pdf

It includes hundreds of tips, pictures, diagrams and tables that every excavation contractor and supervisor can use This revised edition explains how to handle all types of excavation, grading, paving, pipeline and compaction jobs -- whether it's a highway, subdivision, commercial, or trenching job. This edition has been completely rewritten to cover new materials, equipment and techniques.It includes hundreds of tips, pictures, diagrams and tables.