World Library  


 
  • Cover Image

Evaluation Method of Water Quality for River Based on Multi-spectr...

By: W. Xiongfei; W. Zhaohui; H. Chengfang; X. Jian; X. Xiao; Z. Dengzhong; C. Xuejun

Description: School of Resource and Environmental Sciences, Wuhan University, Wuhan, China. With the rapid development of the regional economy, water pollution has gradually become an environmental problem that cannot be ignored. As an important water source in central China, the Han River should strengthen water quality monitoring and management in order to ensure the sustainable development of watershed and related areas. Taking typical sections of middle and lower r...

Read More
  • Cover Image

Second Generation Mosaic:A Novel Mechanism Based on Reference Data...

By: F. Bignone; G. Hu

Description: EADS-CHINA. A totally new automatic workflow mechanism, named Second generation Mosaic module, based on the well-known Pixel Factory system, will be introduced here, which enables existing digital orthoimages and mosaics to be quickly updated. The process extracts all required parameters from the reference database to be able to perform automatic bundle adjustment and radiometric adaptation.In this paper, two examples for both satellite data and aerial da...

Read More
  • Cover Image

Determination of Glacier Surface Area Using Spaceborne Sar Imagery...

By: M. Schmitt; O. Maksymiuk; U. Stilla; L. Fang

Description: Photogrammetry & Remote Sensing, Technische Universitaet Muenchen (TUM), Munich, Germany. Glaciers are very important climate indicators. Although visible remote sensing techniques can be used to extract glacier variations effectively and accurately, the necessary data are depending on good weather conditions. In this paper, a method for determination of glacier surface area using multi-temporal and multi-angle high resolution TerraSAR-X data sets is prese...

Read More
  • Cover Image

Single Space Born Image Based Anaglyph Generation : Volume Xl-8, I...

By: A. Kamalaselvan; N. R. Raajan; M. Malini Deepika

Description: School of Electrical and Electronics Engineering, SASTRA University, India. In remote sensing applications depth and width of the features in the captured image are necessitate for reclamation estimate and to gather morphological information. This work, aims at demonstrating the potential of stereo pair based anaglyph picture generation by eliminating two cameras carried by Cartosat-I stereo Earth observing satellite. The study is conducted in Trichy Srira...

Read More
  • Cover Image

Preliminary Estimation on Pointing Accuracy of Japanese Quasi-zeni...

By: T. Shoda; Y. Nagaoka; M. Tokunaga

Description: Dept. of Civil and Environmental Engineering, Kanazawa Institute of Technology, Nonoichi, Ishikawa 921-8501, Japan. Japanese Quasi-Zenith Satellite-1 (QZS1) named MICHIBIKI was launched in September, 2010. This paper shows a preliminary estimation of positioning accuracy of the QZS1. The mission of QZS1 is to raise the positioning accuracy of GPS. The QZS1 has 3 positioning signals named LEX, L1-SAIF and L1-CA. LEX and L1-SAIF are auxiliary signals based R...

Read More
  • Cover Image

Automatic Registration of Sar and Optical Image Based on Line and ...

By: Y. Li; H. Sui; S. Gao; J. Zhao; L. Li

Description: Shandong Provincial Institute of Land Surveying and Mapping, Jinan, 250013, P. R. China. In this paper, a novel registration method is proposed by integrating the graph spectral theory and line features. The principal steps of our algorithm are as follows. Firstly, the images are filtered to enhance the reliability and robustness of registration, and line features are acquired by Hough Transform. Secondly, the original point features can be obtained by cal...

Read More
  • Cover Image

Point Cloud Metrics for Separating Standing Archaeological Remains...

By: L. Nuninger; R. Opitz

Description: CAST, University of Arkansas, Fayetteville, AR USA. The integration of Airborne Laser Scanning survey into archaeological research and cultural heritage management has substantially added to our knowledge of archaeological remains in forested areas, and is changing our understanding of how these landscapes functioned in the past. While many types of archaeological remains manifest as micro-topography, several important classes of features commonly appear ...

Read More
  • Cover Image

Oil Spill Detection from Sar Image Using Svm Based Classification ...

By: M. Hajeb; Z. Azarakhsh; A. A. Matkan

Description: Remote Sensing & GIS Department, Shahid Beheshti University, Evin, Tehran, Iran. In this paper, the potential of fully polarimetric L-band SAR data for detecting sea oil spills is investigated using polarimetric decompositions and texture analysis based on SVM classifier. First, power and magnitude measurements of HH and VV polarization modes and, Pauli, Freeman and Krogager decompositions are computed and applied in SVM classifier. Texture analysis is used ...

Read More
  • Cover Image

Road Classification and Condition Determination Using Hyperspectra...

By: M. Mohammadi

Description: Department of Geomatics, Computer Science and Mathematics, University of Applied Sciences Stuttgart Schellingstraße 24, D-70174 Stuttgart, Germany. Hyperspectral data has remarkable capabilities for automatic identification and mapping of urban surface materials because of its high spectral resolution. It includes a wealth of information which facilitates an understanding of the ground material properties. For identification of road surface materials, inform...

Read More
  • Cover Image

Reconstruction of Indoor Models Using Point Clouds Generated from ...

By: T.-s. Wu; I.-c. Lee; H. Chang; A. Y. S. Su; F. Tsai

Description: Center for Space and Remote Sensing Research. This paper presents a data acquisition system consisting of multiple RGB-D sensors and digital single-lens reflex (DSLR) cameras. A systematic data processing procedure for integrating these two kinds of devices to generate three-dimensional point clouds of indoor environments is also developed and described. In the developed system, DSLR cameras are used to bridge the Kinects and provide a more accurate ray i...

Read More
  • Cover Image

Web Based Geoprocessing Tool for Coverage Data Handling : Volume X...

By: S. Saran; K. Kumar

Description: Geoinformatics Department, Indian Institute of Remote Sensing, Dehradun, Uttarakhand, India. With the advancements in GIS technologies and extensive use of OGC Web Services, geospatial resources and services are becoming progressively copious and convenient over the network. The application of OGC WCS (Web Coverage Service) and WFS (Web Feature Service) standards for geospatial raster and vector data has resulted in an opulent pool of interoperable geodata...

Read More
  • Cover Image

Integration of Lidar Data Into a Municipal Gis to Study Solar Radi...

By: G. Bitelli; A. Minghetti; A. Lambertini; E. Paselli; P. Africani

Description: Dept. Of Civil, Chemical, Environmental and Materials Engineering – DICAM, University of Bologna, Viale del Risorgimento 2, 40136 Bologna, Italy. Identifying the right roofs to install solar panels inside a urban area is crucial for both private citizens and the whole local population. The aim is not easy because a lot of consideration must be made: insolation, orientation of the surface, size of the surface, shading due to topography, shading due to talle...

Read More
  • Cover Image

Investigating 3D Reconstruction Methods for Small Artifacts : Volu...

By: A. Georgopoulos; V. Evgenikou

Description: National Technical University of Athens, School of Rural and Surveying Engineering, Lab. of Photogrammetry, Zografou Campus, Heroon Polytechniou 9, 15780, Zografou, Athens, Greece. Small artifacts have always been a real challenge when it comes to 3D modelling. They usually present severe difficulties for their 3D reconstruction. Lately, the demand for the production of 3D models of small artifacts, especially in the cultural heritage domain, has dramaticall...

Read More
  • Cover Image

3D Virtual Anastylosis and Reconstruction of Some Buildings in the...

By: M. Florenzano; L. De Luca; M. Kurdy; J-l. Biscop

Description: Laboratoire MAP-Gamsau CNRS/MCC (ENSA Marseille), France. The site of Qal'at Sem'an, located in the north of Syria, was built in the honor of Saint Simeon around the column on the top of which he lived many years and died in 459. Since 2003, this site has been the object of digital surveys which covered the major part of the area. The sanctuary (Qal'at Sem'an) and the village (Deir Sem'an) are composed of different types of edifices; this variety gives us a ...

Read More
  • Cover Image

Region Based Forest Change Detection from Cartosat-1 Stereo Imager...

By: J. Leitloff; T. Krauß; J. Tian; P. Reinartz

Description: German Aerospace Center (DLR), Remote Sensing Technology Institute, 82234 Wessling, Germany. Tree height is a fundamental parameter for describing the forest situation and changes. The latest development of automatic Digital Surface Model (DSM) generation techniques allows new approaches of forest change detection from satellite stereo imagery. This paper shows how DSMs can support the change detection in forest area. A novel region based forest change detec...

Read More
  • Cover Image

Landslide Monitoring Using Terrestrial Laser Scanner: Georeferenci...

By: M. Fiani; M. Barbarella

Description: DICAM, Università di Bologna, Viale Risorgimento 2, 40136 Bologna, Italy. In order to define a methodology that faces the major critical issues, we used a Terrestrial Laser Scanner to monitor a large landslide that caused significant disruptions both to an important state road and to a major railway line in Italy. To survey the landslide we used three different models of Terrestrial Laser Scanners, including a full wave form one, potentially useful for fil...

Read More
  • Cover Image

Digital Elevation Models and Derived Products from Lroc Nac Stereo...

By: E. Howington-kraus; K. N. Burns; T. Tran; the Lroc Science Team; E. J. Speyerer; M. S. Robinson; M. R. Rosiek; B. A. Archinal

Description: School of Earth and Space Exploration, Arizona State University, 1100 S Cady, Tempe AZ 85287, USA. One of the primary objectives of the Lunar Reconnaissance Orbiter Camera (LROC) is to acquire stereo observations with the Narrow Angle Camera (NAC) to enable production of high resolution digital elevation models (DEMs). This work describes the processes and techniques used in reducing the NAC stereo observations to DEMs through a combination of USGS integra...

Read More
  • Cover Image

A Novel Approach to Support Majority Voting in Spatial Group McDm ...

By: B. Moshiri; F. Khamespanah; M. R. Delavar; M. Moradi

Description: Dept. of Surveying and Geomatics Eng., University of Tehran, Tehran, Iran. Being one of the most frightening disasters, earthquakes frequently cause huge damages to buildings, facilities and human beings. Although the prediction of characteristics of an earthquake seems to be impossible, its loss and damage is predictable in advance. Seismic loss estimation models tend to evaluate the extent to which the urban areas are vulnerable to earthquakes. Many factor...

Read More
  • Cover Image

The Role of Remote Sensing for Sustainable Elephant Management in ...

By: M. Jordaan

Description: Dept. of Environmental Sciences, University of South Africa, Johannesburg, South Africa. Loxodonta africana (African Elephant) are running out of living space so the protection of what space they have is essential. Existing areas of suitable elephant habitat need to be protected not only from human development but from the elephants themselves.

As most elephant populations in South Africa are enclosed and multiplying, there is some increasi...

Read More
  • Cover Image

The Pros and Cons About the Digital Recording of Intangible Cultur...

By: H. Yang

Description: The Academy of Arts & Design, Tsinghua University, Beijing, China. Intangible Cultural Heritage (referred to as ICH), whose fundamental nature different from the tangible cultural heritage is Intangible, and the related physical presence of the heritage is not the core content. Digital means have irreplaceable advantages in recording intangible and dynamic ICH resources, while it also needs flexible and rigorous recording means as a support, thus striving ...

Read More
 
1
|
2
|
3
Records: 1 - 20 of 45 - Pages: 



Copyright © World Library Foundation. All rights reserved. eBooks from World Library are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.