Results 11 to 20 of about 506,586 (338)

Sentinel Lymph Node Biopsy vs No Axillary Surgery in Patients With Small Breast Cancer and Negative Results on Ultrasonography of Axillary Lymph Nodes

open access: yesJAMA Oncology, 2023
Key Points Question Is it safe to omit sentinel lymph node biopsy in patients with small breast cancer (BC) and a negative preoperative axillary ultrasonography result?
O. Gentilini   +29 more
semanticscholar   +1 more source

Mapping of crop types and crop sequences with combined time series of Sentinel-1, Sentinel-2 and Landsat 8 data for Germany

open access: yesRemote Sensing of Environment, 2022
Monitoring agricultural systems becomes increasingly important in the context of global challenges like climate change, biodiversity loss, population growth, and the rising demand for agricultural products.
Lukas Blickensdörfer   +5 more
semanticscholar   +1 more source

Knowing When to Look: Adaptive Attention via a Visual Sentinel for Image Captioning [PDF]

open access: yesComputer Vision and Pattern Recognition, 2016
Attention-based neural encoder-decoder frameworks have been widely adopted for image captioning. Most methods force visual attention to be active for every generated word.
Jiasen Lu   +3 more
semanticscholar   +1 more source

Sentinel-1 SAR Backscatter Analysis Ready Data Preparation in Google Earth Engine

open access: yesRemote Sensing, 2021
Sentinel-1 satellites provide temporally dense and high spatial resolution synthetic aperture radar (SAR) imagery. The open data policy and global coverage of Sentinel-1 make it a valuable data source for a wide range of SAR-based applications.
Adugna G. Mullissa   +7 more
semanticscholar   +1 more source

Sentinel-2 Data for Land Cover/Use Mapping: A Review

open access: yesRemote Sensing, 2020
The advancement in satellite remote sensing technology has revolutionised the approaches to monitoring the Earth’s surface. The development of the Copernicus Programme by the European Space Agency (ESA) and the European Union (EU) has contributed to the ...
Darius Phiri   +5 more
semanticscholar   +1 more source

News from SASPREN: A working group of the South African Academy of Family Practice/Primary Care

open access: yesSouth African Family Practice, 1997
No abstract available.
Pierre J.T. de Villiers
doaj   +1 more source

ІМПУЛЬСНИЙ ПЕРЕТВОРЮВАЧ ПОСТІЙНОЇ НАПРУГИ З ДОЗОВАНИМ ВІДБИРАННЯМ ТА ПЕРЕДАВАННЯ ЕНЕРГІЇ

open access: yesТехнічна електродинаміка, 2020
Описано новий резонансний перетворювач напруги понижувального/підвищувального типу з дозованим від-биранням енергії з мережі постійного (випрямленого) струму і дозованим її передаванням у навантаження.
І.В. Волков   +1 more
doaj   +1 more source

Comparisons of Uniform and Variable Rate Nitrogen Fertilizer Applications in Real Conditions - Evaluation of Potential Impact on the Yield of Wheat Available for Use in Animal Feed

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2021
The presented research deals with the variable application of N fertilizers (VRA NF) in the stand of winter wheat and with possibilities for evaluating the effect of such application on grain yield.
Jakub Elbl   +4 more
doaj   +1 more source

Super-resolving multiresolution images with band-independant geometry of multispectral pixels [PDF]

open access: yes, 2016
A new resolution enhancement method is presented for multispectral and multi-resolution images, such as these provided by the Sentinel-2 satellites. Starting from the highest resolution bands, band-dependent information (reflectance) is separated from ...
Brodu, Nicolas
core   +5 more sources

How pharmacoepidemiology networks can manage distributed analyses to improve replicability and transparency and minimize bias [PDF]

open access: yes, 2020
Several pharmacoepidemiology networks have been developed over the past decade that use a distributed approach, implementing the same analysis at multiple data sites, to preserve privacy and minimize data sharing.
Brown, Jeffrey S.   +5 more
core   +2 more sources

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