Multiscale feature extraction from the perspective of graph for hob fault diagnosis using spectral graph wavelet transform combined with improved random forest
Sign Up to like & getrecommendations! Published in 2021 at "Measurement"
DOI: 10.1016/j.measurement.2021.109178
Abstract: Abstract The hob forms key component in gear hobbing machine and its health condition directly affects the reliability and safety of entire machine. This paper proposes a multiscale feature extraction scheme based on spectral graph… read more here.
Keywords: hob; feature extraction; graph; spectral graph ... See more keywords
Spectral graph wavelet regularization and adaptive wavelet for the backward heat conduction problem
Sign Up to like & getrecommendations! Published in 2020 at "Inverse Problems in Science and Engineering"
DOI: 10.1080/17415977.2020.1797002
Abstract: This paper proposes a new regularization technique using spectral graph wavelet for backward heat conduction problem (BHCP) on the graph. The method uses the fourth-order compact difference for an approximation of differential operators. Meanwhile, the… read more here.
Keywords: graph wavelet; spectral graph; wavelet backward; graph ... See more keywords
Global spectral graph wavelet signature for surface analysis of carpal bones
Sign Up to like & getrecommendations! Published in 2018 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/aaa71a
Abstract: Quantitative shape comparison is a fundamental problem in computer vision, geometry processing and medical imaging. In this paper, we present a spectral graph wavelet approach for shape analysis of carpal bones of the human wrist.… read more here.
Keywords: spectral graph; graph wavelet; analysis; carpal bones ... See more keywords
Analysis of the Spatio-Temporal Dynamics of COVID-19 in Massachusetts via Spectral Graph Wavelet Theory
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Signal and Information Processing over Networks"
DOI: 10.1109/tsipn.2022.3193252
Abstract: The rapid spread of COVID-19 disease has had a significant impact on the world. In this paper, we study COVID-19 data interpretation and visualization using open-data sources for 351 cities and towns in Massachusetts from… read more here.
Keywords: temporal dynamics; spectral graph; analysis spatio; graph wavelet ... See more keywords
Spectral Graph Wavelet Based Image Steganography Using SVD and Arnold Transform
Sign Up to like & getrecommendations! Published in 2021 at "Traitement du Signal"
DOI: 10.18280/ts.380422
Abstract: Steganography is the process of concealing sensitive information within cover medium. This study offers an efficient and safe innovative image steganography approach based on graph signal processing (GSP). To scramble the secret image, Arnold cat… read more here.
Keywords: graph wavelet; image; spectral graph; steganography ... See more keywords