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A Novel Image Registration Algorithm for Sar and Optical Images Ba...

By: S. Zhang; T. Feng; J. Wang; C. Ai

Description: College of Surveying and Geo-Informatics, Tongji University, 1239 Siping Road, Shanghai, China. Optical image is rich in spectral information, while SAR instrument can work in both day and night and obtain images through fog and clouds. Combination of these two types of complementary images shows the great advantages of better image interpretation. Image registration is an inevitable and critical problem for the applications of multi-source remote sensing ...

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System Considerations and Challendes in 3D Mapping and Modeling Us...

By: Z. Lari; N. El-sheimy

Description: Department of Geomatics Engineering, University of Calgary, 2500 University Dr. NW, Calgary, AB, Canada T2N 1N4. In the last few years, low-cost UAV systems have been acknowledged as an affordable technology for geospatial data acquisition that can meet the needs of a variety of traditional and non-traditional mapping applications. In spite of its proven potential, UAV-based mapping is still lacking in terms of what is needed for it to become an acceptable m...

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Forest Species Classification Based on Statistical Point Pattern A...

By: T. L. Noland; J. Li; B. Hu

Description: Dept. of Earth and Space Science and Engineering, York University, Toronto, ON, M3J1P3, Canada. The paper investigated the effectiveness of point pattern methods in the application of forest species classification using airborne LiDAR data. The forest stands and individual trees in our study area were classified as either shade tolerant or intolerant species. The purpose of adopting the point pattern methods is to develop new features to effectively characte...

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Application of Gis in Modeling Zilberchai Basin Runoff : Volume Xl...

By: S. Khaleghi; M. Mahmoodi; L. Malekani

Description: Dept. of Civil Engineering, University of Tabriz, Tabriz, Iran. Runoff is one of most important hydrological variables that are used in many civil works, planning for optimal use of reservoirs, organizing rivers and warning flood. The runoff curve number (CN) is a key factor in determining runoff in the SCS (Soil Conservation Service) based hydrologic modeling method. The traditional SCS-CN method for calculating the composite curve number consumes a major p...

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Using Gps-tracking Technology for Urban Design Interventions : Vol...

By: C. M. Van Langelaar; S. C. Van Der Spek

Description: Delft University of Technology, Faculty of Architecture, Department of Urbanism, Chair of Urban Design Julianalaan 134, 2628 BL Delft, The Netherlands. The aim of this paper is to express the application of tracking technologies in Urban Design and Planning. Tracking technologies can be used to monitor different user groups in different occasions. Since 2005, TU Delft has explored and developed two types of research using GPS to collect spatio-temporal dat...

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Tropical Forest Remote Sensing Services for the Democratic Republi...

By: J. Haarpaintner; P. Datta; D. De La Fuente Blanco; A. Mazinga; L. Mane; F. Enßle; C. Singa

Description: Norut, Tromsø, Norway. ‘ReCover’ was a 3-year EU-FP7 project (Nov. 2010 – Dec. 2013), aiming to develop and improve science based remote sensing services to support tropical forest management and activities to reduce emission from deforestation and forest degradation (REDD) in the tropical region (Häme et al., 2012). This is an overview of the final ReCover service delivery of 2000-2012 single-year optical (Landsat, ALOS AVNIR-2, RapidEye) and C-and L-ban...

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Delineation of Sub-pixel Level Sedimentary Litho-contacts by Super...

By: S. Sanjeevi; S. Shanmuga Priyaa

Description: Remote Sensing Unit, Department of Geology, Anna University, Chennai, India. To delineate the geological formation at the surface, satellite image classification approaches are often preferred. This study aims to produce a super resolved map with better delineation of the litho-contacts from the medium resolution Landsat image. Conventionally used per-pixel classification provides an output map at the same resolution of the satellite image, while the super...

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Variance Analysis and Comparison in Computer-aided Design : Volume...

By: C. Schinko; D. W. Fellner; T. Schiffer; T. Ullrich

Description: Fraunhofer Austria Research, Visual Computing Division, Graz, Austria. The need to analyze and visualize differences of very similar objects arises in many research areas: mesh compression, scan alignment, nominal/actual value comparison, quality management, and surface reconstruction to name a few. In computer graphics, for example, differences of surfaces are used for analyzing mesh processing algorithms such as mesh compression. They are also used to vali...

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Remote Sensing Image Classification of Geoeye-1 High-resolution Sa...

By: B. Yang; X. Yu

Description: Beijing Institute of Surveying and Mapping, Beijing, 100038, China. Networks play the role of a high-level language, as is seen in Artificial Intelligence and statistics, because networks are used to build complex model from simple components. These years, Bayesian Networks, one of probabilistic networks, are a powerful data mining technique for handling uncertainty in complex domains. In this paper, we apply Bayesian Networks Augmented Naive Bayes (BAN) ...

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Development of a Multi-sensor System for Road Condition Mapping : ...

By: M. Hahn; H.-g. Maas; A. Miraliakbari

Description: Department of Geomatics, Computer Science and Mathematics, University of Applied Sciences Stuttgart, Schellingstraße 24, 70174 Stuttgart, Germany. We present a concept for a vehicle based road condition mapping system using infrared spectrometers, high resolution RGB cameras and a laser scanner. Infrared spectrometry is employed to monitor the deterioration of the surface material and pavement condition, in particular by aging. High resolution RGB imaging ...

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Advances in Multi-sensor Scanning and Visualization of Complex Pla...

By: C. Boucheny; G. Thibault; J.-f. Hullo

Description: EDF R&D, EDF Lab, 1 avenue du Général de Gaulle, 92141 Clamart, France. In a context of increased maintenance operations and workers generational renewal, a nuclear owner and operator like Electricité de France (EDF) is interested in the scaling up of tools and methods of “as-built virtual reality” for larger buildings and wider audiences. However, acquisition and sharing of as-built data on a large scale (large and complex multi-floored buildings) challen...

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Google Maps for Crowdsourced Emergency Routing : Volume Xxxix-b4, ...

By: S. Zlatanova; S. Nedkov
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Integrated Data Processing Methodology for Airborne Repeat-pass Di...

By: C. Han; X. Yue; H. Guo; C. Dou; Y. Zhao

Description: Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China. Short temporal baseline and multiple ground deformation information can be derived from the airborne differential synthetic aperture radar Interforemetry (D-InSAR). However, affected by the turbulence of the air, the aircraft would deviate from the designed flight path with high frequent vibrations and changes both in the flight trajectory and attitude. Restricted by the accuracy...

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Development of a Self-localization Method Using Sensors on Mobile ...

By: K. Matsumoto; T. Fuse

Description: Dept. of Civil Engineering, University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113-8656, Japan. Recently, development of high performance CPU, cameras and other sensors on mobile devises have been used for wide variety of applications. Most of the applications require self-localization of the mobile device. Since the self-localization is based on GPS, gyro sensor, acceleration meter and magnetic field sensor (called as POS) of low accuracy, the applicatio...

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Accuracy Evaluation of Two Global Land Cover Data Sets Over Wetlan...

By: P. Gong; Y. X. Shan; Z. G. Niu

Description: State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing Applications, Chinese Academy of Sciences, Beijing, 100101, China. Although wetlands are well known as one of the most important ecosystems in the world, there are still few global wetland mapping efforts at present. To evaluate the wetland-related types of data accurately for both the Global Land Cover 2000 (GLC2000) data set and MODIS land cover data set (MOD12Q1), we used the Ch...

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A Hybrid Approach to Extraction and Refinement of Building Footpri...

By: M. Sester; H. Huang

Description: Institute of Cartography and Geoinformatics, Leibniz Universität Hannover, Appelstr. 9a, D-30167 Hannover, Germany. This work presents a combined bottom-up and top-down approach to extraction and refinement of building footprints from airborne LIDAR data. Building footprints are interesting for many applications in urban planning. The cadastral maps, however, may be limited for certain areas or not be updated frequently. Airborne laser scanning data is the...

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Determination of Uas Trajectory in a Known Environment from Fpv Vi...

By: C. Armenakis; J. Li-chee-ming

Description: Geomatics Engineering, GeoICT Lab, Department of Earth and Space Science and Engineering, Lassonde School of Engineering, York University, Toronto, Ontario, M3J 1P3 Canada. This paper presents a novel self-localization method. The algorithm automatically establishes correspondence between the FPV video streamed from a UAS flying in a structured urban environment and its 3D model. The resulting camera pose provides a precise navigation solution in the dense...

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Investigating the Capability of Irs-p6-liss IV Satellite Image for...

By: N. Zargham; A. A. Darvishsefat; F. Hoseini

Description: MSc Graduated, Faculty of Natural Resources, University of Tehran, Iran. In order to investigate the capability of satellite images for Pistachio forests density mapping, IRS-P6-LISS IV data were analyzed in an area of 500 ha in Iran. After geometric correction, suitable training areas were determined based on fieldwork. Suitable spectral transformations like NDVI, PVI and PCA were performed. A ground truth map included of 34 plots (each plot 1 ha) were pr...

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Data Fusion Technology of Multi-platform Earth Observation on Agri...

By: H. Sang; L. Zhai; W. Xie; Y. Xue

Description: Chinese Academy of Surveying and Mapping, Beijing, China. Earth observation is the gathering of information via remote sensing technologies supplemented by earth surveying techniques, encompassing the collection, analysis and presentation of data. Remote sensing technology is playing a key role on precision agriculture. From the point of view of remote sensing and photogrammetry field, this article first took an overview of its applications on agriculture...

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Integrating Scale and Space in 3D City Models : Volume Xxxviii-4/C...

By: M. Meijers; K. Arroyo Ohori; H. Ledoux; J. Stoter

Description: OTB, TU Delft, The Netherlands. This paper presents the problem of the current separate treatment of levels of detail in city models. We propose a solution, detail the main principles, and present our initial results on the approach. We conclude with work in progress and explain the benefits of our approach.

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