Results 11 to 20 of about 228,770 (259)

Hybrid Protective Sentinel System: A Combined Technique for Safe and Controlled Open-Wedge High Tibial Osteotomy. [PDF]

open access: yesArthrosc Tech
Abstract Open‐wedge high tibial osteotomy is an effective joint‐preserving surgery for medial compartment osteoarthritis but remains associated with 3 major intraoperative hazards: posterior neurovascular injury, lateral hinge fracture, and unintended slope modification.
Elazab A   +5 more
europepmc   +2 more sources

Sentinel-1 FDBAQ Performance Validation Using TerraSAR-X Data [PDF]

open access: yes, 2012
Two Block Adaptive Quantization (BAQ) algorithms considered for implementation on-board Sentinel-1, the Entropy Constrained BAQ (ECBAQ) and the Flexible Dynamic BAQ (FDBAQ) are investigated with real data acquired by TerraSAR-X.
Evert Attema   +9 more
core   +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

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

Indigenous peoples as sentinels of change in human‐wildlife relationships: Conservation status of mountain goats in Kitasoo Xai'xais territory and beyond

open access: yesConservation Science and Practice, 2022
Local people can act as sentinels for change, especially for wildlife populations not monitored by centralized governments. Responding to concern expressed by the Kitasoo Xai'xais (KX) First Nation over a decline in mountain goat (Oreamnos americanus ...
Tyler D. Jessen   +6 more
doaj   +1 more source

Evaluation of Semantic Segmentation Methods for Land Use with Spectral Imaging Using Sentinel-2 and PNOA Imagery

open access: yesRemote Sensing, 2021
Land use classification using aerial imagery can be complex. Characteristics such as ground sampling distance, resolution, number of bands and the information these bands convey are the keys to its accuracy. Random Forest is the most widely used approach
Oscar D. Pedrayes   +4 more
doaj   +1 more source

A Combined Strategy of Improved Variable Selection and Ensemble Algorithm to Map the Growing Stem Volume of Planted Coniferous Forest

open access: yesRemote Sensing, 2021
Remote sensing technology is becoming mainstream for mapping the growing stem volume (GSV) and overcoming the shortage of traditional labor-consumed approaches.
Xiaodong Xu   +5 more
doaj   +1 more source

Integrating Sentinel-1 and 2 with LiDAR data to estimate aboveground biomass of subtropical forests in northeast Guangdong, China

open access: yesInternational Journal of Digital Earth, 2023
Accurate monitoring of forest aboveground biomass (AGB) is vital for sustainable forest management. Generally, the AGB is estimated by combining satellite images and field measurements.
Linjing Zhang   +4 more
doaj   +1 more source

Deep Neural Network Regression for Normalized Digital Surface Model Generation With Sentinel-2 Imagery

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
In recent history, normalized digital surface models (nDSMs) have been constantly gaining importance as a means to solve large-scale geographic problems. High-resolution surface models are precious, as they can provide detailed information for a specific
Konstantin Muller   +6 more
doaj   +1 more source

Copernicus: the European Earth Observation programme

open access: yesRevista de Teledetección, 2020
The European Union-led Copernicus programme, born with the aim of developing space-based global environmental monitoring services to ensure a European autonomous capacity for Earth Observation, comprises a Space Component, Core Services, and In-situ ...
S. Jutz, M.P. Milagro-Pérez
doaj   +1 more source

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