Vision-based detection of unsafe actions of a construction worker: Case study of ladder climbing

SU Han, SH Lee, F Peña-Mora - Journal of Computing in Civil …, 2013 - ascelibrary.org
Abstract About 80–90% of accidents are caused by the unsafe actions and behaviors of
employees in construction. Behavior management thus plays a key role in enhancing safety …

Using derivatives in time series classification

T Górecki, M Łuczak - Data Mining and Knowledge Discovery, 2013 - Springer
Over recent years the popularity of time series has soared. Given the widespread use of
modern information technology, a large number of time series may be collected during …

Non-isometric transforms in time series classification using DTW

T Górecki, M Łuczak - Knowledge-based systems, 2014 - Elsevier
Over recent years the popularity of time series has soared. As a consequence there has
been a dramatic increase in the amount of interest in querying and mining such data. In …

Using multi-dimensional dynamic time war** to identify time-varying lead-lag relationships

J Stübinger, D Walter - Sensors, 2022 - mdpi.com
This paper develops a multi-dimensional Dynamic Time War** (DTW) algorithm to identify
varying lead-lag relationships between two different time series. Specifically, this manuscript …

Dynamic time war** as an alternative to windowed cross correlation in seismological applications

U Kumar, CP Legendre, L Zhao… - … Society of America, 2022 - pubs.geoscienceworld.org
We investigate the feasibility of using the dynamic time war** (DTW) technique as an
alternative to windowed cross correlation (WCC) for an indirect measure to quantify both the …

Efficient classification of long time series by 3-d dynamic time war**

A Sharabiani, H Darabi, A Rezaei… - … on Systems, Man …, 2017 - ieeexplore.ieee.org
Throughout recent years, dynamic time war** (DTW) has remained as a robust similarity
measure in time series classification (TSC). 1-nearest neighbor (1-NN) algorithm with DTW …

Quaternion dynamic time war**

B Jablonski - IEEE transactions on signal processing, 2011 - ieeexplore.ieee.org
Dynamic time war** (DTW) is used for the comparison and processing of nonlinear
signals and constitutes a widely researched field of study. The method has been initially …

First and second derivatives in time series classification using DTW

T Górecki, M Łuczak - Communications in Statistics-Simulation and …, 2014 - Taylor & Francis
In our previous work, we developed a new distance function based on a derivative and
showed that our algorithm is effective. In contrast to well-known measures from the literature …

DTW-based gait recognition from recovered 3-D joint angles and inter-ankle distance

T Krzeszowski, A Switonski, B Kwolek… - Computer Vision and …, 2014 - Springer
We present a view independent approach for 3D human gait recognition. The identification
of the person is done on the basis of motion estimated by our marker-less 3D motion …

Comparative study of conventional time series matching techniques for word spotting

T Mondal, N Ragot, JY Ramel, U Pal - Pattern Recognition, 2018 - Elsevier
In word spotting literature, many approaches have considered word images as temporal
signals that could be matched by classical Dynamic Time War** algorithm. Consequently …