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Entropy, Volume 24, Issue 7

July 2022 - 163 articles

Cover Story: Permutation entropy (PE) is a popular tool to analyze time series in order to either estimate the degree of randomness of a time series source or to detect changes in its dynamics. However, most works that rely on PE neglect the crucial problem of considering the statistical significance of a PE assessment, or, equivalently, of estimating its uncertainty—a task that is hardly feasible in most cases. A new, viable approach to carry out this estimation exploits the technique of surrogate data generation. Using the technique as a proxy generator of the source’s dynamics allows us to assess its statistical properties. View this paper
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Articles (163)

  • Article
  • Open Access
8 Citations
2,592 Views
20 Pages

15 July 2022

As a common load-bearing component, mining wire rope produces different types of damage during a long period of operation, especially in the case of damage inside the wire rope, which cannot be identified by the naked eye, and it is difficult to accu...

  • Article
  • Open Access
1,981 Views
17 Pages

15 July 2022

The digital signal processing approaches were investigated as a preliminary indicator for discriminating between the protein coding and non-coding regions of DNA. This is because a three-base periodicity (TBP) has already been proven to exist in prot...

  • Article
  • Open Access
2 Citations
2,257 Views
17 Pages

Conserved Control Path in Multilayer Networks

  • Bingbo Wang,
  • Xiujuan Ma,
  • Cunchi Wang,
  • Mingjie Zhang,
  • Qianhua Gong and
  • Lin Gao

15 July 2022

The determination of directed control paths in complex networks is important because control paths indicate the structure of the propagation of control signals through edges. A challenging problem is to identify them in complex networked systems char...

  • Article
  • Open Access
8 Citations
2,821 Views
24 Pages

14 July 2022

The differential box-counting (DBC) method is useful for determining the fractal dimension of grayscale images. It is simple to learn and implement and has been extensively utilized. However, this approach has several problems, such as over- or under...

  • Article
  • Open Access
2,737 Views
19 Pages

14 July 2022

The estimation of the Individual Treatment Effect (ITE) on survival time is an important research topic in clinics-based causal inference. Various representation learning methods have been proposed to deal with its three key problems, i.e., reducing...

  • Article
  • Open Access
6 Citations
2,752 Views
18 Pages

An Improved Tiered Head Pose Estimation Network with Self-Adjust Loss Function

  • Xiaoliang Zhu,
  • Qiaolai Yang,
  • Liang Zhao,
  • Zhicheng Dai,
  • Zili He,
  • Wenting Rong,
  • Junyi Sun and
  • Gendong Liu

14 July 2022

As an important task in computer vision, head pose estimation has been widely applied in both academia and industry. However, there remains two challenges in the field of head pose estimation: (1) even given the same task (e.g., tiredness detection),...

  • Article
  • Open Access
10 Citations
2,777 Views
21 Pages

Optimal Performance and Application for Seagull Optimization Algorithm Using a Hybrid Strategy

  • Qingyu Xia,
  • Yuanming Ding,
  • Ran Zhang,
  • Huiting Zhang,
  • Sen Li and
  • Xingda Li

14 July 2022

This paper aims to present a novel hybrid algorithm named SPSOA to address problems of low search capability and easy to fall into local optimization of seagull optimization algorithm. Firstly, the Sobol sequence in the low-discrepancy sequences is u...

  • Feature Paper
  • Article
  • Open Access
3 Citations
3,696 Views
30 Pages

14 July 2022

Digital communication receivers extract information about the transmitted data from the received signal in subsequent processing steps, such as synchronization, demodulation and channel decoding. Technically, the receiver-side signal processing for c...

  • Article
  • Open Access
4 Citations
4,295 Views
15 Pages

Goal or Miss? A Bernoulli Distribution for In-Game Outcome Prediction in Soccer

  • Wendi Yao,
  • Yifan Wang,
  • Mengyao Zhu,
  • Yixin Cao and
  • Dan Zeng

13 July 2022

Due to a colossal soccer market, soccer analysis has attracted considerable attention from industry and academia. In-game outcome prediction has great potential in various applications such as game broadcasting, tactical decision making, and betting....

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Entropy - ISSN 1099-4300