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Texture Based Hyperspectral Image Classification : Volume Xl-8, Is...

By: B. Kumar; O. Dikshit

Description: Department of Civil Engineering, Indian Institute of Technology Kanpur, India. This research work presents a supervised classification framework for hyperspectral data that takes into account both spectral and spatial information. Texture analysis is performed to model spatial characteristics that provides additional information, which is used along with rich spectral measurements for better classification of hyperspectral imagery. The moment invariants of...

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New Systems for the Management of Data. the Case Study of the Chap...

By: C. Battini

Description: DICCA, University of Genoa, Italy. The technological solutions, made available today, offer opportunities of great interest for the detection in the field of cultural heritage; instrumentation for the survey and advanced multimedia representations for objects of archaeological, artistic, architectural.

Since we changed the type of information, not more interpretation consists of a single piece of data, but from a set of data, must be changed, c...

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Research on Geographical Environment Unit Division Based on the Me...

By: J. Chen; B. Zhang; J. R. Lv; S. T. Yang; H. W. Li

Description: Institute of Geospatial Information, Information Engineering University, Zhengzhou, China. Zoning which is to divide the study area into different zones according to their geographical differences at the global, national or regional level, includes natural division, economic division, geographical zoning of departments, comprehensive zoning and so on. Zoning is of important practical significance, for example, knowing regional differences and characteristi...

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Automatic Building Map Updating Using Worldview-2 Stereo Images an...

By: H. Hashemi; M. Gharibi; H. Rastiveis; H. Arefi

Description: Dept. of Surveying and Geomatics Eng, College of engineering, University of Tehran, Tehran, Iran. Updating of existing geo-database, particularly in developing countries, is one of the important and essential issues in geospatial information systems. Numerous change detection methods have been proposed to resolve this issue. In this study, a novel approach is proposed for automatic building change detection and updating from available outdated building map a...

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A Study on Extracting Thin Sea Ice Area from Space : Volume Xxxix-...

By: C.-f. Chen; Y. Yoshida; H. Shimoda; Y. Mochizuki; K. Cho

Description: Tokai University, 2-28-4 Tomigaya. Shibuya -ku, Tokyo 151-0063 Japan. Global warming is one of the most serious problems the earth is facing in the 21st Century. In order to detect the sign of global warming, the importance of sea ice monitoring is increasing. Especially, sea ice thickness is an key parameter for understanding the heat flux of sea ice area. However, estimation of sea ice thickness with satellite remote sensing is not easy. In th...

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Extraction of Image Topological Graph for Recovering the Scene Geo...

By: S. Chen; R. Wang; Q. Wang; F. Li; Z. Xu; L. Wu

Description: Key Laboratory of Environmental Change & Natural Disaster of MOE, Beijing Normal University, Beijing 100875, China. This study was performed aiming to construct the scene geometry with a large set of unmanned aerial vertical (UAV) collections. By improving the popular structure from motion (SfM) algorithm, we focus on the efficiency improvement on procedures of both feature detection and image matching. Distinctive features are firstly detected with a CUDA...

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Cross-cultural Understanding for Global Sustainability: Messages a...

By: R. Singh

Description: Department of Geography, Faculty of Science, Banaras Hindu University, & Professor of Cultural Geography & Heritage Studies, New F-7 Jodhpur Colony, B.H.U. campus, Varanasi, UP 221005, India. Concept of 'multifunctionality' of cultural landscapes is a reflection of imbued meaning and aesthetics inherent there and also human manifestation of this spirit through existence and aliveness by human creation, love and continuance in various cultures and tr...

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Ecological Niche Modelling Using Satellite Data for Assessing Dist...

By: S. Kumar; R. N. Kulloli; J. C. Tewari; A. Singh; J. P. Singh

Description: Central Arid Zone Research Institute, Jodhpur 342003, Rajasthan, India. Ceropegia bulbosa Roxb. is a narrow endemic, tuberous twiner of Asclepiadaceae family. It is medicinally important: tubers are nutritive and edible, leaves are digestive and a cure for dysentery and diarrhea. Exploitation for its tubers and poor regeneration of this species has shrunk its distribution. In order to know its present status, we report here the results of its apprai...

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Using the Geospatial Web to Deliver and Teach Giscience Education ...

By: B. Veenendaal

Description: Department of Spatial Sciences, Curtin University, GPO Box U1987, Perth, Australia. Geographic information science (GIScience) education has undergone enormous changes over the past years. One major factor influencing this change is the role of the geospatial web in GIScience. In addition to the use of the web for enabling and enhancing GIScience education, it is also used as the infrastructure for communicating and collaborating among geospatial data and ...

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Monitoring the Deterioration of Stone at Mindener Museum's Lapidar...

By: G. Pomaska

Description: Faculty for Architecture and Civil Engineering, University of Applied Sciences Bielefeld, Germany. Mindener Museum's Lapidarium incorporates a collection of stone work like reliefs, sculptures and inscriptions from different time epochs as advices of the city's history. These gems must be protected against environmental influences and deterioration. In advance of the measures a 3D reconstruction and detailed documentation has to be taken. The framework to ...

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Reflectance Estimation from Urban Terrestrial Images: Validation o...

By: N. Paparoditis; M. Brédif; X. Briottet; F. Coubard
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Spatio-temporal Topological Relationships Between Land Parcels in ...

By: F. Zhang; W. Song

Description: School of Resources and Environment, North China University of Water Resources and Electric Power, Zhengzhou, China. There are complex spatio-temporal relationships among cadastral entities. Cadastral spatio-temporal data model should not only describe the data structure of cadastral objects, but also express cadastral spatio-temporal relationships between cadastral objects. In the past, many experts and scholars have proposed a variety of cadastral spatio...

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A Dynamic Integration Method for Borderland Database Using Osm Dat...

By: K.-x. Zhou; Y. Jiang; L. Zeng; X.-g. Zhou

Description: School of Geosciences and Info-Physics, Central South University, Changsha, Hunan 410083, PR China. Spatial data is the fundamental of borderland analysis of the geography, natural resources, demography, politics, economy, and culture. As the spatial region used in borderland researching usually covers several neighboring countries’ borderland regions, the data is difficult to achieve by one research institution or government. VGI has been proven to be a v...

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The Fusion of Individual Tree Detection and Visual Interpretation ...

By: M. Holopainen; M. Vastaranta; H. Hyyppä; X. Yu; J. Hyyppä; V. Kankare

Description: University of Helsinki, Department of Forest Sciences, Finland. In this study we searched the obtainable accuracy of forest inventory based on the individual tree detection (ITD) by using fusion of automatic ITD (ITDauto) and visual interpretation of laser point clouds. Current ITD algorithms, mostly based on segmentation of canopy height models (CHMs), are not able to utilize the whole information included in three-dimensional point clouds. We hy...

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Globil: Wwf's Global Observation and Biodiversity Information Port...

By: S Schmitt; P Tibaldeschi; L. Nijsten; A. C. Shapiro

Description: World Wide Fund for Nature (WWF) Germany, Reinhardtstr. 18, 10117 Berlin, Germany. Despite ever increasing availability of satellite imagery and spatial data, conservation managers, decision makers and planners are often unable to analyze data without special knowledge or software. WWF is bridging this gap by putting extensive spatial data into an easy to use online mapping environment, to allow visualization, manipulation and analysis of large data sets b...

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Semi-automated Technique to Extract Boundary of Valley/Mountain Gl...

By: S. Kundu; S. Panigrahy; M. Chakraborty

Description: Geo-Science Applications Group, Space Applications Centre, Indian Space Research Organisation, Ahmedabad 380 015, India. A semi automated technique has been developed to extract the spatial extension of valleys and mountain glaciers. The method is based on morphological properties of glaciated area extracted from Digital Elevation Model (DEM). Identification of glacial boundary based on spectral information from optical remote sensing imageries produces er...

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Responses of Vegetation Growth to Climate Change in China : Volume...

By: T. Zhou; Z. Li

Description: State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing, China. Global warming-related climate changes have significantly impacted the growth of terrestrial vegetation. Quantifying the spatiotemporal characteristic of the vegetation’s response to climate is crucial for assessing the potential impacts of climate change on vegetation. In this study, we employed the normalized difference vegetation index (NDVI)...

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Generation of Effective Orthophotos for Road Surfaces Using Mms : ...

By: D. Yagishita; H. Chikatsu

Description: System Development & Research Center, AERO ASAHI CORPORATION, Kawagoe, Saitama, Japan. In recent years, high precision and high resolution road surface orthophotos have been generated using video cameras mounted on surveying vehicles. However, there is a serious issue in generating an orthophoto from this image. The shadows of the surrounding structures and vehicles on the road surface cause a lack of information and decrease in visibility. Therefore, the...

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Comparison of Bioclimatic, Ndvi and Elevation Variables in Assessi...

By: S. Kumar; R. N. Kulloli

Description: Central Arid Zone Research Institute, (CAZRI) Jodhpur 342003, India. Commiphora wightii (Arnt.) Bhand., is an important medicinal plant of Indian Medicine System (IMS) since ancient time. It is used in different ailments of obesity, arthritis, rheumatism and high cholesterol. Due to overexploitation its natural populations declined to large extent. IUCN has put it under Data Deficient (DD) category due to lack of data on its extent of occurrence in ...

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Potential of Dense Matching for the Generation of High Quality Dig...

By: N. Haala; M. Rothermel

Description: Institute for Photogrammetry (ifp), University of Stuttgart, Geschwister-Scholl-Str. 24D, D-70174 Stuttgart, Germany. Until recently, the acquisition of high quality Digital Elevation Models was dominated by the use of airborne LiDAR. However, the increasing quality of digital airborne cameras in combination with recent improvements in matching algorithms meanwhile allow for the automatic image based collection as a suitable alternative. Within the paper, th...

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