نتایج جستجو برای: ماهواره alos

تعداد نتایج: 6544  

Journal: :Molecules 2017
Gabriele Ceccarelli Rossella Presta Saturnino Marco Lupi Nefele Giarratana Nora Bloise Laura Benedetti Maria Gabriella Cusella De Angelis Ruggero Rodriguez Y Baena

Most recent advances in tissue engineering in the fields of oral surgery and dentistry have aimed to restore hard and soft tissues. Further improvement of these therapies may involve more biological approaches and the use of dental tissue stem cells in combination with inorganic/organic scaffolds. In this study, we analyzed the osteoconductivity of two different inorganic scaffolds based on pol...

2010
Jin-Woo Kim Duk-Jin Kim Byong Jun Hwang

Space-borne synthetic aperture radar (SAR) data have been widely used to produce ice concentration (type), ice motion, ice charting (operational route planning), and iceberg detection. Recent availability of polarimetric SAR sensors (e.g., TerraSAR-X, RADARSAT-2, and ALOS PALSAR) enables us to explore the full potential of polarimetric data to derive sea ice information. Among the many sea ice ...

2004
H. Hasegawa

A semi automatic road extraction method has been constructed and evaluated. Our purpose is to obtain 1/25,000 level road data from PRISM image. PRISM is panchromatic, three views, and the 2.5m resolution sensor carried on ALOS satellite that will be launched on late 2004. A centre line-detecting algorithm is employed for feature extraction. It picks up pixels where second derivative of brightne...

2010
Rick Guritz Dan Miller Kelly Burnett

Freshwater habitat quality and quantity are key abiotic variables driving the abundance and distribution of anadromous salmonids. Knowledge is minimal about the condition of freshwater habitats and how habitat condition affects salmon over large, remote areas on both sides of the Arctic and northern Pacific Oceans [1]. This hampers abilities to predict effects of habitat change on salmon and to...

2015
Selvam Kannathasan

Dengue outbreaks are affected by biological, ecological, socio-economic and demographic factors that vary over time and space. These factors have been examined separately and still require systematic clarification. The present study aimed to investigate the spatial-temporal clustering relationships between these factors and dengue outbreaks in the northern region of Sri Lanka. Remote sensing (R...

2011
Asif M. Bhatti Seigo Nasu

Soil erosion is a widespread problem causing the deterioration of both land and water resources. The water quality and quantity “Q and Q” connection is vital for sustainable water resources development and management. The prime objective of the research work is to quantify suspended sediment concentrations in surface waters by means of ALOS and ASTER satellite data. In this research work multis...

Journal: :IJAGR 2012
Charles Paradzayi Harold Annegarn

Recent developments in Synthetic Aperture Radar (SAR) technologies have shown their potential for assessing and quantifying above-ground biomass (AGB) at landscape levels in different biomes. This paper examines the application of full polarimetric data to retrieve information related to potential woody biomass in sparse communal savanna woodlands in southern Africa using the Advanced Land Obse...

2009
R Schroeder

Wetlands are not only primary producers of atmospheric greenhouse gases but also possess unique features that are favourable for application of satellite microwave remote sensing to monitoring their status and trend. In this study we apply combined passive and active microwave remote sensing data sets from the NASA sensors AMSR-E and QuikSCAT to map surface water dynamics over Northern Eurasia....

Journal: :Remote Sensing 2014
Qingli Luo Daniele Perissin Yuanzhi Zhang Youliang Jia

When synthetic aperture radar interferometry (InSAR) technology is applied in the monitoring of land subsidence, the sensor band plays an important role. An X-band SAR system as TerraSAR-X (TSX) provides high resolution and short revisit time, but it has no capability of global coverage. On the other side, an L-band sensor as Advanced Land Observing Satellite-Phased Array L-band Synthetic Apert...

Journal: :Remote Sensing 2014
Yuanyuan Chen Xiufeng He Jing Wang Ruya Xiao

The purpose of this study was to examine how different polarimetric parameters and an object-based approach influence the classification results of various land use/land cover types using fully polarimetric ALOS PALSAR data over coastal wetlands in Yancheng, China. To verify the efficiency of the proposed method, five other classifications (the Wishart supervised classification, the proposed me...

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