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| 6th International Symposium on
Mobile Mapping Technology ::: |
| Mobile Mapping Serving the Information Society |
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TUTORIAL |
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Dorota Grejner-Brzezinska - The Ohio State University
Mobile mapping technology: paradigm shift and future trends
Abstract: Since the outsets of Mobile Mapping in the last 1980s the technology has evolved, expanded and advanced to near real-time operations, and is now quite widespread and widely accepted primarily for highway mapping, asset inventory, corridor mapping and even emergency response “rapid” mapping. This workshop will provide a brief overview of the Mobile Mapping Technology, its historical evolution, expansion, and transition to various engineering and planning applications, as well as the recent technological and operational paradigm shift due to advances in sensors, sensor integration and processing algorithms. Navigation and imaging components will be defined and the current trends in technological and algorithmic advances will be discussed. |
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Naser El-Sheimy - University of Calgary
Land-based MMT: concept and example applications
Abstract: Land based mobile mapping, the methodology that integrates digital imaging with direct geo-referencing, has developed rapidly over the twenty years. What used to be a topic of academic study has become a commercially viable industry. In this presentation the major steps in this development are traced and the current state-of-the-art is reviewed. The presentation concludes with a few examples of MMS and a look into the future of some non-traditional land Mobile Mapping systems. |
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Charles Toth - The Ohio State University
The State-of-the-Art in Airborne Remote Sensing
Abstract: As sensor technology continues to advance, airborne surveying is still rapidly developing, including systems, techniques and the remote sensing practice. In fact, the developments are equally strong on terrestrial platforms, where mobile LiDAR systems currently represent the fastest growing MMT segment. This tutorial is focused on providing an overview of the state-of-the-art in airborne remote sensing systems. First, digital cameras, grouped into major classes, are discussed, including calibration and performance characterization aspects. Next, LiDAR systems will be reviewed with special emphasis on the achievable accuracy. Then, the simultaneous use of optical and laser sensors is considered, including the joint processing of the acquired geo-spatial data. Finally, the tutorial will conclude with a brief review on Hyperspectral sensors and SAR systems. |
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Ayman Habib - University of Calgary
QA/QC of Imaging and LiDAR Systems
Abstract: Recent developments in digital imaging and the direct geo-referencing technologies are having positive impact on the wide-spread adoption of optical and LiDAR systems for geo-spatial data acquisition. To guarantee the users’ confidence in such technologies, the mapping community must have well defined standards for the Quality Assurance of the utilized systems and Quality Control of the delivered products. In this tutorial, the term “Quality assurance – QA” is used to denote activities focusing on ensuring that a process/technology will provide the quality needed by the user. QA mainly deals with creating management controls including the calibration, mission planning, implementation, and review of data collection activities and are usually conducted prior to the surveying mission. The term “Quality control – QC”, on the other hand, is used to denote post-mission procedures, which aim at providing consistent checks to ensure data integrity, correctness, and completeness. In other words, the main objective of QC procedures is to verify whether the desired quality has been achieved or not.
In this tutorial, the calibration component of QA activities for optical and LiDAR imaging systems will be introduced. The discussion will deal with potential alternatives for the system calibration while considering the nature of the available data as well as the possibility of increasing the level of automation of the calibration process. Then, the geometric QC of the delivered products will be introduced. Procedures for evaluating the internal/relative as well as the external/absolute quality of the delivered products will be introduced. Similar to QA activities, the introduced QC procedures will be evaluated according to the nature of the delivered data, the manipulation procedure of the system measurements to produce such data, and the automation level. The tutorial will finally conclude by investigating the possibility of combining the QA/QC activities for optical and LiDAR imaging systems. |
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João Fernando da Silva - Unesp
Brazilian Projects and Experience on MMT: An Overview of the Main Companies and Application of Aerial and Terrestrial Platforms
Abstract: Mobile mapping systems have been used in many countries remarkably in this century. In Brazil that would not be different. A very large country with thousands of cities and towns, very long roadways and railroads needs all kind of mapping technologies to make the life safer and easier to its society. This tutorial intends to present the main companies, projects and applications of mobile mapping technology (MMT) in Brazil. From the traditional aerial photo companies to the small brand new technological innovation firms there is a conscience that MMT, either aerial or terrestrial, will contribute to the country development by aiding engineering, agriculture, urbanism, transportation, just to mention a few important areas in Brazilian economy among others. |
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Ismael Colomina - The Institute of Geomatics
UAVs for remote sensing and photogrammetry
Abstract: Land based mobile mapping, the methodology that integrates digital imaging with direct geo-referencing, has developed rapidly over the twenty years. What used to be a topic of academic study has become a commercially viable industry. In this presentation the major steps in this development are traced and the current state-of-the-art is reviewed. The presentation concludes with a few examples of MMS and a look into the future of some non-traditional land Mobile Mapping systems. |
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