Results 41 to 50 of about 2,186,291 (292)

An Integrated Approach for Monitoring and Information Management of the Guanling Landslide (China)

open access: yesISPRS International Journal of Geo-Information, 2017
Landslide triggered by earthquake or rainstorm often results in serious property damage and human casualties. It is, therefore, necessary to establish an emergency management system to facilitate the processes of damage assessment and decision-making ...
Wei Hou   +4 more
doaj   +1 more source

Discovery of Four Gravitationally Lensed Quasars from the Sloan Digital Sky Survey [PDF]

open access: yes, 2007
We present the discovery of four gravitationally lensed quasars selected from the spectroscopic quasar catalog of the Sloan Digital Sky Survey. We describe imaging and spectroscopic follow-up observations that support the lensing interpretation of the ...
Abazajian K.   +37 more
core   +2 more sources

Financial Burden Associated With Hospitalisation Among Families of Childhood Brain Tumours in Australia

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Families of children with cancer experience significant financial strain, even with universal healthcare. Indirect costs, such as productivity losses and non‐medical expenses, are rarely included in economic evaluations, and little is known about how effectively financial aid programmes alleviate this burden. Childhood brain tumours
Megumi Lim   +8 more
wiley   +1 more source

Development and application of operational techniques for the inventory and monitoring of resources and uses for the Texas coastal zone [PDF]

open access: yes
The author has identified the following significant results. Four LANDSAT scenes were analyzed for the Harbor Island area test sites to produce land cover and land use maps using both image interpretation and computer-assisted techniques.
Finley, R.   +6 more
core   +4 more sources

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Application of AIS Technology to Forest Mapping [PDF]

open access: yes, 1985
Concerns about environmental effects of large scale deforestation have prompted efforts to map forests over large areas using various remote sensing data and image processing techniques. Basic research on the spectral characteristics of forest vegetation
Star, J. L., Yool, S. R.
core   +1 more source

Boosting of Image Denoising Algorithms

open access: yes, 2015
In this paper we propose a generic recursive algorithm for improving image denoising methods. Given the initial denoised image, we suggest repeating the following "SOS" procedure: (i) (S)trengthen the signal by adding the previous denoised image to the ...
Elad, Michael, Romano, Yaniv
core   +1 more source

Spatiotemporal and quantitative analyses of phosphoinositides – fluorescent probe—and mass spectrometry‐based approaches

open access: yesFEBS Letters, EarlyView.
Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho   +3 more
wiley   +1 more source

Comparison of Ultrasound Image Classifier Deep Learning Algorithms for Shrapnel Detection

open access: yesJournal of Imaging, 2022
Ultrasound imaging is essential in emergency medicine and combat casualty care, oftentimes used as a critical triage tool. However, identifying injuries, such as shrapnel embedded in tissue or a pneumothorax, can be challenging without extensive ...
Emily N. Boice   +2 more
doaj   +1 more source

Natural environment and land use in the Chad Basin, NE-Nigeria : preliminary results of an interdisciplinary research [PDF]

open access: yes, 1996
The objective of this paper is to combine the environmental conception of the Kanuri with detailed findings of pedological and botanical field investigations. Interpretation of multitemporal satellite data and aerial photographs should provide land cover
Ataholo, Mandingo   +4 more
core  

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