Results 11 to 20 of about 596,128 (297)

The Relation Among Regional Organisations, the Consolidation of Democracy and Citizen Security: The Cases of SICA and UNASUR [PDF]

open access: yesContexto Internacional, 2020
Latin American regional organisations (ROs) have been active in the area of citizen security for at least a twenty year-period. An important relationship between citizen security and the democratic consolidation of ROs’ official documents in the Latin ...
Octávio Forti Neto
doaj   +1 more source

A New European Settlement Map From Optical Remotely Sensed Data

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2016
An application of a general methodology for processing very high-resolution imagery to produce a European Settlement Map (ESM) in support of policy-makers is presented. The process mapped around 10 million km2 of the European continent.
Aneta Jadwiga Florczyk   +6 more
doaj   +1 more source

Rural Security in Colombia: An Opportunity for State Consolidation

open access: yesStability : International Journal of Security and Development, 2015
The citizen security service provided by the Colombian State is unequal. It focuses mainly on large cities and municipal capitals, and is absent in vast expanses of the national geography.
Patricia Bulla, Sergio Guarín
doaj   +3 more sources

Image Enhancement and Feature Extraction Based on Low-Resolution Satellite Data

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2015
The purpose of this study is to investigate the sensitivity of contrast-based textural measurements and morphological characteristics that derive from high-resolution satellite imagery (three-band SPOT-5) when diverse image enhancements techniques are ...
Vasileios Syrris   +3 more
doaj   +1 more source

Assessment of the Added-Value of Sentinel-2 for Detecting Built-up Areas

open access: yesRemote Sensing, 2016
Monitoring of the human-induced changes and the availability of reliable and methodologically consistent urban area maps are essential to support sustainable urban development on a global scale.
Martino Pesaresi   +5 more
doaj   +1 more source

Robust Spectrum Sensing Demonstration Using a Low-Cost Front-End Receiver

open access: yesInternational Journal of Antennas and Propagation, 2015
Spectrum Sensing (SS) is an important function in Cognitive Radio (CR) to detect primary users. The design of SS algorithms is one of the most challenging tasks in CR and requires innovative hardware and software solutions to enhance detection ...
Daniele Borio   +3 more
doaj   +1 more source

On the performance of fish stock parameters derived from VIT pseudo-cohort analysis

open access: yesScientia Marina, 2010
The comparison of VIT model results with those of the virtual population analysis assessment of the cod stock in the Skagerrak, North Sea and Eastern Channel established by the International Council for the Exploration of the Sea (ICES) reveal that ...
Hans-Joachim Rätz   +2 more
doaj   +1 more source

A New Method for Earth Observation Data Analytics Based on Symbolic Machine Learning

open access: yesRemote Sensing, 2016
This work introduces a new classification method in the remote sensing domain, suitably adapted to dealing with the challenges posed by the big data processing and analytics framework.
Martino Pesaresi   +2 more
doaj   +1 more source

Patients' advocacy: the development of a service at the State Hospital, Carstairs, Scotland [PDF]

open access: yes, 2001
Advocacy is part of the process of empowering patients and involving them in the development of services. This paper describes the development of an advocacy service in the State Hospital at Carstairs and explores the issues involved in advocacy in a ...
Jacqueline M. Atkinson   +2 more
core   +1 more source

Stand-Alone and Hybrid Positioning Using Asynchronous Pseudolites

open access: yesSensors, 2014
global navigation satellite system (GNSS) receivers are usually unable to achieve satisfactory performance in difficult environments, such as open-pit mines, urban canyons and indoors. Pseudolites have the potential to extend GNSS usage and significantly
Ciro Gioia, Daniele Borio
doaj   +1 more source

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