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Journal Cover   International Journal of Remote Sensing Applications
  [7 followers]  Follow
    
  This is an Open Access Journal Open Access journal
   ISSN (Print) 2226-4361 - ISSN (Online) 2226-4353
   Published by Science and Engineering Publishing Company Homepage  [49 journals]
  • Land Information System Using Cadastral Techniques, Mining Area of
           Raniganj, Barddhaman District, India

    • Abstract: Land Information System Using Cadastral Techniques, Mining Area of Raniganj, Barddhaman District, India
      Pages 45-53
      Author Sonjay MondalJatiSsankar BandyopadhyayDebashish Chakravatr
      In creating or revising a cadastral mapping system, the assessor should make every effort to cooperate with other public and private sector entities, and thus create a true multipurpose cadastre. Such a system meets the needs of other offices in the jurisdiction, and of outside agencies and entities, and allows efficient sharing of maps and data. However, should efforts at cooperation fail, it may become necessary for the assessor to develop a single-purpose mapping system. In any case, the assessor must retain the ultimate authority to inventory, create, and define parcels and parcel identifiers. The results of the GIS for Cadastral Applications will include cadastral index maps and land registration data in a digital format. Automation linkages will be created and developed between textual data (legal land registration data) and parcel maps. The final goal is to generate digital maps which will facilitate land management and planning and, in particular, land registration and the issuance of land titles in order to promote security of land tenure and reduce land disputes.
      PubDate: 2015-0
       
  • Urban Objects Extraction from 3D Laser Point Clouds Acquired by a Static
           Laser Scanner and a Mobile Mapping System

    • Abstract: Urban Objects Extraction from 3D Laser Point Clouds Acquired by a Static Laser Scanner and a Mobile Mapping System
      Pages 33-44
      Author Mohammed BendaananeKaoutar EddahmaniImane Sebar
      Terrestrial laser scanning (TLS) whether in static scanning or mobile scanning, as in the case of a mobile mapping system (MMS), generates a large amount of 3D data. These data can be used for a variety of purposes. The aim of this research study is to experiment terrestrial laser scanning, in both static and mobile mode, for the extraction of urban objects of an urban street survey. Particularly, this research aims to develop a comparative study, of the two methods, according to the conventional method (tachometry measurement). We have established a methodology in order to extract objects form 3D data collected by a static laser scanner and a mobile mapping system. The proposed methodology has been tested on two urban street sections of 300 meters length. Finally, we fixed a comparative analysis between the two laser scanning methods, within the following comparison levels: qualitative level (precision and completeness criteria), time level (operative time for acquisition and processing) and financial level (direct costs). The results show the efficiency of the mobile mapping approach especially for data acquisition. To establish an urban survey, the direct cost is 71% cheaper using a mobile mapping system and 50% cheaper using a static laser scanner, than using the conventional method.
      PubDate: 2015-0
       
  • Seasonal and Spatial Variability of SST Using MODIS Data: the Case Study
           of Aegean Sea

    • Abstract: Seasonal and Spatial Variability of SST Using MODIS Data: the Case Study of Aegean Sea
      Pages 25-32
      Author Kontsantinos TopouzelisStefani VarnavaAndreas Georgio
      This paper focuses on the analysis of spatial and temporal variability of Sea Surface Temperature (SST) derived from Aqua Moderate Imaging Spectrometer (MODIS) infrared imagery in the Aegean Sea. Data were organized to examine both seasonal and monthly variation of SST during 2005 - 2008. The four year period was chosen as a first approach to address and describe this phenomenon. A descriptive statistical analysis was performed, while hot spots and SST anomalies for each month and season were identified. The results show a smooth monthly variation of SST with February to be the coldest month while July the hottest as expected. The year with the higher average SST value was 2007 with 25.1oC while 2006 presents the minimum average value. In addition, the high resolution maps of 1 km that extracted from the analysis with a wide spatial coverage, allows to the detail representation of SST in the region. This helps to produce a rich eddy field and it allows monitoring the outflow of Black Sea Waters through the Dardanelles Strait.
      PubDate: 2015-0
       
  • High-Resolution Imaging for Impulse-Based Forward-Looking Ground
           Penetrating Radar

    • Abstract: High-Resolution Imaging for Impulse-Based Forward-Looking Ground Penetrating Radar
      Pages 11-24
      Author Ode OjowuLuzhou XuJian LiJohn AndersonLam Nguye
      Forward-Looking Ground Penetrating Radar (FLGPR) has multiple applications, one of which includes its use for detecting landmines and other buried improvised explosive devices (IEDs). The standard method for generating synthetic aperture radar (SAR) images for this radar is the backprojection (BP) algorithm, which has poor resolution and high sidelobe problems. In this paper, we consider using the Sparse Iterative Covariance-based Estimation (SPICE) algorithm and the Spare Learning via Iterative Minimization (SLIM) algorithm for generating sparse high-resolution images for FLGPR. A pre-processing step, which involves an orthogonal projection of the received data onto a subspace related to the region of interest is performed, for decreasing the dimension of the data and for clutter reduction. The SLIM and SPICE algorithms are user-parameter free, and are capable of providing SAR images with improved resolution. We also use the well-known CLEAN approach for imaging based on a proposed signal model in the time domain. We show using simulated data that the SPICE and SLIM algorithms provide higher resolution than CLEAN and the standard BP. Imaging using real data collected via the Synchronous Impulse Reconstruction (SIRE) radar, a multiple-input multiple-output (MIMO) FLGPR radar developed by the Army Research Laboratory (ARL), is also presented and used for analysis.
      PubDate: 2015-0
       
  • Morphodynamic Change of Fraserganj and Bakkhali Coastal Stretch of Indian
           Sundarban, South 24 Parganas, West Bengal, India

    • Abstract: Morphodynamic Change of Fraserganj and Bakkhali Coastal Stretch of Indian Sundarban, South 24 Parganas, West Bengal, India
      Pages 1-10
      Author Ismail MondalJatisankar BandyopadhyayParthasarathi ChakrabartiDebasish Santr
      The Bengal plain is characterized by the presence of an extensive coastal tract bordered by the Bay of Bengal in the south. Two contrasting coastal environments are prevailing in the area, namely; the macro tidal Hooghly estuary in the east; and the mesotidal Midnapore Coastal plain to the west. A morphogenetic study based on the terrain mapping unit (TMU) concept reveals the form- process-material interactions of these two contrasting coastal environments with a possible geo-history model of the coastal Quaternaries. It has been established that the entire process-response system of the coastal tract of the Bengal plain started operating after the rise of sea level around 6000yrs B.P. (i.e., optimum of flandrian transgression) and the Hooghly estuary, the mangrove vegetation plays a significant role as the dominant geomorphic agent in the evolution of the tidal shoals and their eventual accretion to the main landmass resulting in delta progradation. In the present-day scenario, the Hooghly estuary becomes the abandoned part of the Ganga-Brahmaputra delta in India, and is also turning destructive and forming erosional regime in the mesotidal Midnapore coastal area.
      PubDate: 2015-0
       
 
 
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