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Sensors, Volume 19, Issue 6

March-2 2019 - 219 articles

Cover Story: Curb detection and localization systems constitute an important aspect of environmental recognition systems of autonomous driving vehicles. Most existing curb detection and localization systems use multichannel light detection and ranging (lidar) as a primary sensor. However, although lidar demonstrates high performance, it is too expensive to be used for commercial vehicles. In this paper, we used ultrasonic sensors to implement a practical, low-cost curb detection and localization system. To compensate for the relatively lower performance of ultrasonic sensors as compared to other, higher-cost sensors, we used multiple ultrasonic sensors and applied a series of novel processing algorithms that overcome the limitations of a single ultrasonic sensor and conventional algorithms. The performance of the proposed processing algorithms was demonstrated through a field test. View Paper here.
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Articles (219)

  • Article
  • Open Access
27 Citations
6,831 Views
14 Pages

Deformation Monitoring of Earth Fissure Hazards Using Terrestrial Laser Scanning

  • Yunfeng Ge,
  • Huiming Tang,
  • Xulong Gong,
  • Binbin Zhao,
  • Yi Lu,
  • Yong Chen,
  • Zishan Lin,
  • Hongzhi Chen and
  • Yashi Qiu

26 March 2019

Deformation monitoring is a powerful tool to understand the formation mechanism of earth fissure hazards, enabling the engineering and planning efforts to be more effective. To assess the evolution characteristics of the Yangshuli earth fissure hazar...

  • Article
  • Open Access
78 Citations
6,836 Views
13 Pages

26 March 2019

The LJ1-01 satellite is the first dedicated nighttime light remote sensing satellite in the world and offers a higher spatial resolution than the Defense Meteorological Satellite Program’s Operational Linescan System (DMSP/OLS) and the Visible...

  • Article
  • Open Access
34 Citations
5,718 Views
14 Pages

A Posture Recognition Method Based on Indoor Positioning Technology

  • Xiaoping Huang,
  • Fei Wang,
  • Jian Zhang,
  • Zelin Hu and
  • Jian Jin

26 March 2019

Posture recognition has been widely applied in fields such as physical training, environmental awareness, human-computer-interaction, surveillance system and elderly health care. The traditional methods consist of two main variations: machine vision...

  • Article
  • Open Access
84 Citations
6,213 Views
14 Pages

26 March 2019

The Internet of things (IoT) is a heterogeneous network of different types of wireless networks such as wireless sensor networks (WSNs), ZigBee, Wi-Fi, mobile ad hoc networks (MANETs), and RFID. To make IoT a reality for smart environment, more attra...

  • Article
  • Open Access
56 Citations
7,461 Views
19 Pages

How to Efficiently Determine the Range Precision of 3D Terrestrial Laser Scanners

  • Berit Schmitz,
  • Christoph Holst,
  • Tomislav Medic,
  • Derek D. Lichti and
  • Heiner Kuhlmann

26 March 2019

As laser scanning technology has improved a lot in recent years, terrestrial laser scanners (TLS) have become popular devices for surveying tasks with high accuracy demands, such as deformation analyses. For this reason, finding a stochastic model fo...

  • Article
  • Open Access
61 Citations
12,390 Views
23 Pages

An IoT Surveillance System Based on a Decentralised Architecture

  • Amilcare Francesco Santamaria,
  • Pierfrancesco Raimondo,
  • Mauro Tropea,
  • Floriano De Rango and
  • Carmine Aiello

26 March 2019

In the last few years, we witnessed numerous episodes of terrorist attacks and menaces in public crowded places. The necessity of better surveillance in these places pushed the development of new automated solutions to spot and notify possible menace...

  • Article
  • Open Access
16 Citations
7,363 Views
14 Pages

26 March 2019

The nematode Caenorhabditis elegans (C. elegans) is often used as an alternative animal model due to several advantages such as morphological changes that can be seen directly under a microscope. Limitations of the model include the usage of expensiv...

  • Article
  • Open Access
47 Citations
7,117 Views
17 Pages

Environmental and Sensor Integration Influences on Temperature Measurements by Rotary-Wing Unmanned Aircraft Systems

  • Brian R. Greene,
  • Antonio R. Segales,
  • Tyler M. Bell,
  • Elizabeth A. Pillar-Little and
  • Phillip B. Chilson

26 March 2019

Obtaining thermodynamic measurements using rotary-wing unmanned aircraft systems (rwUAS) requires several considerations for mitigating biases from the aircraft and its environment. In this study, we focus on how the method of temperature sensor inte...

  • Article
  • Open Access
23 Citations
4,348 Views
23 Pages

Lifetime Estimation for Multi-Phase Deteriorating Process with Random Abrupt Jumps

  • Jianxun Zhang,
  • Xiaosheng Si,
  • Dangbo Du,
  • Chen Hu and
  • Changhua Hu

26 March 2019

Owing to operating condition changing, physical mutation, and sudden shocks, degradation trajectories usually exhibit multi-phase features, and the abrupt jump often appears at the changing time, which makes the traditional methods of lifetime estima...

  • Article
  • Open Access
6 Citations
5,762 Views
16 Pages

26 March 2019

Relative humidity (RH) at the body-seat interface is considered an important factor in both sitting comfort and generation of health concerns such as skin lesions. Technical difficulties appear to have limited research aimed at the detailed and simul...

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Sensors - ISSN 1424-8220