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01/18/2023
Robust Zero-crossings Detection in Noisy Signals using Topological Signal Processing
We explore a novel application of zero-dimensional persistent homology f...
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10/12/2022
Pattern Characterization Using Topological Data Analysis: Application to Piezo Vibration Striking Treatment
Quantifying patterns in visual or tactile textures provides important in...
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09/12/2022
Topological Measures for Pattern quantification of Impact Centers in Piezo Vibration Striking Treatment (PVST)
Surface texture influences wear and tribological properties of manufactu...
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04/27/2022
Topological Signal Processing using the Weighted Ordinal Partition Network
One of the most important problems arising in time series analysis is th...
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04/12/2022
Automated Surface Texture Analysis via Discrete Cosine Transform and Discrete Wavelet Transform
Surface roughness and texture are critical to the functional performance...
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04/11/2022
Transfer Learning for Autonomous Chatter Detection in Machining
Large-amplitude chatter vibrations are one of the most important phenome...
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10/19/2021
Data-driven and Automatic Surface Texture Analysis Using Persistent Homology
Surface roughness plays an important role in analyzing engineering surfa...
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09/18/2020
Using Zigzag Persistent Homology to Detect Hopf Bifurcations in Dynamical Systems
Bifurcations in dynamical systems characterize qualitative changes in th...
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08/28/2020
On Transfer Learning of Traditional Frequency and Time Domain Features in Turning
There has been an increasing interest in leveraging machine learning too...
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10/27/2019
Chatter Diagnosis in Milling Using Supervised Learning and Topological Features Vector
Chatter detection has become a prominent subject of interest due to its ...
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10/18/2019
Adaptive Partitioning for Template Functions on Persistence Diagrams
As the field of Topological Data Analysis continues to show success in t...
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08/05/2019
Chatter Detection in Turning Using Machine Learning and Similarity Measures of Time Series via Dynamic Time Warping
Chatter detection from sensor signals has been an active field of resear...
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05/21/2019
Topological Feature Vectors for Chatter Detection in Turning Processes
Machining processes are most accurately described using complex dynamica...
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05/10/2019
Delay Parameter Selection in Permutation Entropy Using Topological Data Analysis
Permutation Entropy (PE) is a powerful tool for quantifying the predicta...
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05/03/2019
On Transfer Learning For Chatter Detection in Turning Using Wavelet Packet Transform and Empirical Mode Decomposition
The increasing availability of sensor data at machine tools makes automa...
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04/16/2019
Persistent Homology of Complex Networks for Dynamic State Detection
In this paper we develop a novel Topological Data Analysis (TDA) approac...
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02/19/2019
Approximating Continuous Functions on Persistence Diagrams Using Template Functions
The persistence diagram is an increasingly useful tool arising from the ...
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05/01/2018
Topological Data Analysis for True Step Detection in Piecewise Constant Signals
This paper introduces a simple yet powerful approach based on topologica...
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03/23/2018