An anomaly detection framework for time series data: An interval-based approach

Y Zhou, H Ren, Z Li, W Pedrycz - Knowledge-Based Systems, 2021 - Elsevier
Due to the high data volume and non-stationarity of time series data, it is very difficult to
directly use the original data for anomaly detection. In this study, a novel framework of …

Green urban garden landscape design and user experience based on virtual reality technology and embedded network

L Pei - Environmental Technology & Innovation, 2021 - Elsevier
With the development of electronic science and technology, green landscape planning and
design in urban landscape design has become a new trend and direction. The emergence …

ESDTW: Extrema-based shape dynamic time warping

L Qiu, C Qiu, C Song - Expert Systems with Applications, 2024 - Elsevier
As a nonlinear distance measurement, Dynamic time warping (DTW) is widely used to solve
the alignment problem of time series. However, due to local distortion of signal, noise …

Transition permutation entropy and transition dissimilarity measure: Efficient tools for fault detection of railway vehicle systems

B Zhang, P Shang - IEEE transactions on industrial informatics, 2021 - ieeexplore.ieee.org
The ordinal pattern is an essential tool to extract the information in time series. However,
little attention has been paid to the transition probability matrix of ordinal patterns, which …

Clustering time-series by a novel slope-based similarity measure considering particle swarm optimization

H Kamalzadeh, A Ahmadi, S Mansour - Applied Soft Computing, 2020 - Elsevier
Recently there has been an increase in the studies on time-series data mining specifically
time-series clustering due to the vast existence of time-series in various domains. The large …

An exhaustive comparison of distance measures in the classification of time series with 1nn method

T Górecki, M Łuczak, P Piasecki - Journal of Computational Science, 2024 - Elsevier
Time series classification is an important and challenging problem in data analysis. With the
increase in time series data availability, hundreds of algorithms have been proposed. A …

Topology of Pulsar Profiles (ToPP)-I. Graph theory method and classification of the EPN

D Vohl, J van Leeuwen, Y Maan - Astronomy & Astrophysics, 2024 - aanda.org
Some of the most important information on a radio pulsar is derived from its average pulse
profile. Many early pulsar studies were necessarily based on only a few such profiles. In …

Speed up similarity search of time series under dynamic time warping

Z Li, J Guo, H Li, T Wu, S Mao, F Nie - IEEE Access, 2019 - ieeexplore.ieee.org
Similarity search is a foundational task in time series data mining. Although there are many
ways to measure the similarity of time series, a lot of evidence indicates that dynamic time …

A new method based on ensemble time series for fast and accurate clustering

A Ghorbanian, H Razavi - Data Technologies and Applications, 2023 - emerald.com
Purpose The common methods for clustering time series are the use of specific distance
criteria or the use of standard clustering algorithms. Ensemble clustering is one of the …

Fault Diagnosis for Rail Profile Data Using Refined Dispersion Entropy and Dependence Measurements

D Shang, S Su, Y Sun, F Wang, Y Cao… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
The diagnosis of railway system faults is significant for its comfort, efficiency, and safety. The
rail profile faults are the most direct impact factors when considering the health conditions of …