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Sensors, Volume 20, Issue 10

May-2 2020 - 261 articles

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Cover Story: Diffuse optical tomography is a non-invasive photonics-based imaging technology suited to functional brain imaging. Recent developments have proven the possibility to integrate time-resolved detectors inside the probe, in direct contact with the tissue under investigation, maximizing light harvesting and reducing system complexity. We have developed a system based on 8 probe-hosted SiPM detectors and 6 light injection fibers. Using 2 wavelengths permits quantifying both oxy- and deoxy-hemoglobin concentration evolution in the tissue. An automatic switch enables a complete tomographic acquisition to be performed in less than one second. The system was challenged against two in vivo tests: arm cuff occlusion and motor cortex brain activation. The results show that the tomographic system makes it possible to follow the evolution of brain activation over time with a 1 s resolution. View this paper.

Articles (261)

  • Article
  • Open Access
17 Citations
4,694 Views
14 Pages

Comparison of Trotting Stance Detection Methods from an Inertial Measurement Unit Mounted on the Horse’s Limb

  • Marie Sapone,
  • Pauline Martin,
  • Khalil Ben Mansour,
  • Henry Château and
  • Frédéric Marin

25 May 2020

The development of on-board sensors, such as inertial measurement units (IMU), has made it possible to develop new methods for analyzing horse locomotion to detect lameness. The detection of spatiotemporal events is one of the keystones in the analys...

  • Article
  • Open Access
100 Citations
6,656 Views
16 Pages

25 May 2020

Automatic detection of intact tomatoes on plants is highly expected for low-cost and optimal management in tomato farming. Mature tomato detection has been wildly studied, while immature tomato detection, especially when occluded with leaves, is diff...

  • Article
  • Open Access
21 Citations
5,489 Views
21 Pages

25 May 2020

To make canopy information measurements in modern standardized apple orchards, a method for canopy information measurements based on unmanned aerial vehicle (UAV) multimodal information is proposed. Using a modern standardized apple orchard as the st...

  • Article
  • Open Access
20 Citations
4,562 Views
22 Pages

Building Dynamic Communities of Interest for Internet of Things in Smart Cities

  • Monira N. Aldelaimi,
  • M. Anwar Hossain and
  • Mohammed F. Alhamid

25 May 2020

The Internet of things (IoT) is a growing area of research in the context of smart cities. It links a city’s physical objects that are equipped with embedded sensing, communicating, and computing technology. These objects possess the capability...

  • Article
  • Open Access
4 Citations
3,820 Views
12 Pages

Bragg Peak Localization with Piezoelectric Sensors for Proton Therapy Treatment

  • Jorge Otero,
  • Ivan Felis,
  • Alicia Herrero,
  • José A. Merchán and
  • Miguel Ardid

25 May 2020

A full chain simulation of the acoustic hadrontherapy monitoring for brain tumours is presented in this work. For the study, a proton beam of 100 MeV is considered. In the first stage, Geant4 is used to simulate the energy deposition and to study the...

  • Viewpoint
  • Open Access
147 Citations
13,676 Views
20 Pages

25 May 2020

In recent years, artificial intelligence (AI) has started to manifest itself at an unprecedented pace. With highly sophisticated capabilities, AI has the potential to dramatically change our cities and societies. Despite its growing importance, the u...

  • Article
  • Open Access
6 Citations
3,174 Views
18 Pages

25 May 2020

Micro-Doppler generated by the micromotion of a target contaminates the inverse synthetic aperture radar (ISAR) image heavily. To acquire a clear ISAR image, removing the Micro-Doppler is an indispensable task. By exploiting the sparsity of the ISAR...

  • Article
  • Open Access
244 Citations
17,349 Views
24 Pages

25 May 2020

Agriculture and livestock play a vital role in social and economic stability. Food safety and transparency in the food supply chain are a significant concern for many people. Internet of Things (IoT) and blockchain are gaining attention due to their...

  • Article
  • Open Access
21 Citations
4,514 Views
24 Pages

Routing Based Multi-Agent System for Network Reliability in the Smart Microgrid

  • Niharika Singh,
  • Irraivan Elamvazuthi,
  • Perumal Nallagownden,
  • Gobbi Ramasamy and
  • Ajay Jangra

25 May 2020

Microgrids help to achieve power balance and energy allocation optimality for the defined load networks. One of the major challenges associated with microgrids is the design and implementation of a suitable communication-control architecture that can...

  • Article
  • Open Access
8 Citations
3,512 Views
18 Pages

25 May 2020

Unmanned aerial vehicles (UAVs) allow better coverage, enhanced connectivity, and elongated lifetime when used in telecommunications. However, these features are predominately affected by the policies used for sharing resources amongst the involved n...

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