Results 21 to 30 of about 7,378,234 (192)

TIMESTAMP OFFSET DETERMINATION BETWEEN AN ACTUATED LASER SCANNER AND ITS CORRESPONDING MOTOR [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
Motor actuated 2D laser scanners are key sensors for many robotics applications that need wide ranging but low cost 3D data. There exist many approaches on how to build a 3D laser scanner using this technique, but they often lack proper synchronization ...
R. Voges, C. S. Wieghardt, B. Wagner
doaj   +1 more source

Constrained Optimization of FPGA Design for Spaceborne InSAR Processing

open access: yesRemote Sensing, 2022
With the development of spaceborne processing technologies, the demand for on-board processing has risen sharply. Against this background, spaceborne Interferometric Synthetic Aperture Radar (InSAR) processing has become an important research area.
Jiahao Li   +3 more
doaj   +1 more source

Dynamic partial reconfiguration scheme for fault-tolerant FFT processor based on FPGA

open access: yesThe Journal of Engineering, 2019
The fast Fourier transform FFT processor is an important part of the space real-time signal processing system based on field programmable gate array (FPGA).
Xin Wei, Yi Z Xie, Yu Xie, He Chen
doaj   +1 more source

Describing the indirect impact of COVID-19 on healthcare utilisation using syndromic surveillance systems

open access: yesBMC Public Health, 2021
Background Since the end of January 2020, the coronavirus (COVID-19) pandemic has been responsible for a global health crisis. In England a number of non-pharmaceutical interventions have been introduced throughout the pandemic, including guidelines on ...
Claire F. Ferraro   +8 more
doaj   +1 more source

Development of an Eddy Current Test Configuration for Welded Carbon Steel Pipes under the Change in Physical Properties

open access: yesApplied Sciences, 2021
Carbon steel pipe is used in various industries, including nuclear power plants. Due to the daily cyclic operation of the pipe over time, environmental influences, and extreme working conditions, the probability of developing small fine cracks in the ...
Azouaou Berkache   +3 more
doaj   +1 more source

Explainable Artificial Intelligence-Based Decision Support System for Assessing the Nutrition-Related Geriatric Syndromes

open access: yesApplied Sciences, 2021
The use of artificial intelligence in geriatrics is very promising and relevant, as the diagnosis of a geriatric patient is a complex, experience-based, and time-consuming process that involves a variety of questionnaires and subjective and inaccurate ...
Vytautas Petrauskas   +10 more
doaj   +1 more source

Improved Land Cover Classification of VHR Optical Remote Sensing Imagery Based Upon Detail Injection Procedure

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
Development of very-high-resolution (VHR) remote sensing imaging platforms have resulted in a requirement for developing refined land cover classification maps for various applications.
Qianbo Sang   +5 more
doaj   +1 more source

Real-time Monocular Object SLAM [PDF]

open access: yes, 2015
We present a real-time object-based SLAM system that leverages the largest object database to date. Our approach comprises two main components: 1) a monocular SLAM algorithm that exploits object rigidity constraints to improve the map and find its real ...
Gálvez-López, Dorian   +3 more
core   +4 more sources

Object-Centric Masked Image Modeling-Based Self-Supervised Pretraining for Remote Sensing Object Detection

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
Masked image modeling (MIM) has been proved to be an optimal pretext task for self-supervised pretraining (SSP), which can facilitate the model to capture an effective task-agnostic representation at the pretraining step and then advance the fine-tuning ...
Tong Zhang   +6 more
doaj   +1 more source

Monopulse SAR angle measurement based on total variation and monotonic iterative algorithm

open access: yesThe Journal of Engineering, 2019
Synthetic aperture radar (SAR) monopulse angle measurement is an adequate method of target angle measurement in low signal-to-clutter and noise ratio.
Bingtao Hu, Feng Li
doaj   +1 more source

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