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Computers, Volume 8, Issue 4

December 2019 - 22 articles

Cover Story: In this paper, a robotic vision system is proposed that constantly uses a 3D camera, while actively switching to use a second RGB camera in cases where it is necessary. It detects objects in the view seen by the 3D camera, which is mounted on a PR2 humanoid robot’s head, and in the event of low confidence regarding the detection correctness, the secondary camera, which is installed on the robot’s arm, is moved toward the object to obtain another perspective of it. Detections in the two camera views are matched and their recognitions are fused through a novel approach based on the Dempster–Shafer evidence theory. Significant improvements in object detection performance are observed after employing the proposed active vision system. View this paper
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Articles (22)

  • Article
  • Open Access
21 Citations
6,014 Views
15 Pages

An Investigation of a Feature-Level Fusion for Noisy Speech Emotion Recognition

  • Sara Sekkate,
  • Mohammed Khalil,
  • Abdellah Adib and
  • Sofia Ben Jebara

13 December 2019

Because one of the key issues in improving the performance of Speech Emotion Recognition (SER) systems is the choice of an effective feature representation, most of the research has focused on developing a feature level fusion using a large set of fe...

  • Article
  • Open Access
5 Citations
8,532 Views
44 Pages

9 December 2019

The platform economy denotes a subset of economic activities enabled by platforms such as Amazon, Alibaba, and Uber. Due to their tremendous success, more and more offerings concentrate around platforms increasing platforms’ positional-power, h...

  • Article
  • Open Access
9 Citations
6,606 Views
23 Pages

MoDAr-WA: Tool Support to Automate an MDA Approach for MVC Web Application

  • Imane Essebaa,
  • Salima Chantit and
  • Mohammed Ramdani

5 December 2019

Model-driven engineering (MDE) uses models during the application development process. Thus, the MDE is particularly based on model-driven architecture (MDA), which is one of the important variants of the Object Management Group (OMG). MDA aims to ge...

  • Review
  • Open Access
6 Citations
7,007 Views
15 Pages

Neural Net-Based Approach to EEG Signal Acquisition and Classification in BCI Applications

  • Kathia Chenane,
  • Youcef Touati,
  • Larbi Boubchir and
  • Boubaker Daachi

4 December 2019

The following contribution describes a neural net-based, noninvasive methodology for electroencephalographic (EEG) signal classification. The application concerns a brain–computer interface (BCI) allowing disabled people to interact with their...

  • Article
  • Open Access
9 Citations
6,043 Views
16 Pages

4 December 2019

Most existing approaches for solving the distributed denial-of-service (DDoS) problem focus on specific security mechanisms, for example, network intrusion detection system (NIDS) detection and firewall configuration, rather than on the packet routin...

  • Article
  • Open Access
39 Citations
7,422 Views
15 Pages

Network Intrusion Detection with a Hashing Based Apriori Algorithm Using Hadoop MapReduce

  • Nureni Ayofe Azeez,
  • Tolulope Jide Ayemobola,
  • Sanjay Misra,
  • Rytis Maskeliūnas and
  • Robertas Damaševičius

2 December 2019

Ubiquitous nature of Internet services across the globe has undoubtedly expanded the strategies and operational mode being used by cybercriminals to perpetrate their unlawful activities through intrusion on various networks. Network intrusion has led...

  • Article
  • Open Access
7 Citations
7,718 Views
17 Pages

26 November 2019

A denial of service (DoS) attack in a computer network is an attack on the availability of computer resources to prevent users from having access to those resources over the network. Denial of service attacks can be costly, capable of reaching $100,0...

  • Article
  • Open Access
7 Citations
5,423 Views
13 Pages

Statistical-Hypothesis-Aided Tests for Epilepsy Classification

  • Alaa Alqatawneh,
  • Rania Alhalaseh,
  • Ahmad Hassanat and
  • Mohammad Abbadi

20 November 2019

In this paper, an efficient, accurate, and nonparametric epilepsy detection and classification approach based on electroencephalogram (EEG) signals is proposed. The proposed approach mainly depends on a feature extraction process that is conducted us...

  • Article
  • Open Access
13 Citations
7,168 Views
22 Pages

15 November 2019

Petri net is a highly useful tool for modeling of discrete-event systems. However, Petri net models of real-life systems are enormous, and their state-spaces are usually of infinite size. Thus, performing analysis on the model becomes difficult. Henc...

  • Article
  • Open Access
7 Citations
8,430 Views
20 Pages

11 November 2019

This paper presents a design and prototype of an IoT-based health and safety monitoring system using MATLAB GUI. This system, which is called the Smart Health and Safety Monitoring System, is aimed at reducing the time, cost and manpower requirements...

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Computers - ISSN 2073-431X