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The high feature dimensionality is a challenge in music emotion recognition. There is no common consensus on a relation between audio features and emotion. The MER system uses all available features to recognize emotion; however, this is…

Sound · Computer Science 2022-12-29 Le Cai , Sam Ferguson , Haiyan Lu , Gengfa Fang

Vibration-based condition monitoring techniques are commonly used to detect and diagnose failures of rolling bearings. Accuracy and delay in detecting and diagnosing different types of failures are the main performance measures in condition…

Signal Processing · Electrical Eng. & Systems 2022-08-15 Sulaiman Aburakhia , Ryan Myers , Abdallah Shami

With the development of machine learning, a data-driven model has been widely used in vibration signal fault diagnosis. Most data-driven machine learning algorithms are built based on well-designed features, but feature extraction is…

Machine Learning · Computer Science 2021-12-20 Qiang Liu , Jiade Zhang , Jingna Liu , Zhi Yang

Fast radio bursts (FRBs) are transient signals exhibiting diverse strengths and emission bandwidths. Traditional single-pulse search techniques are widely employed for FRB detection; yet weak, narrow-band bursts often remain undetectable…

High Energy Astrophysical Phenomena · Physics 2025-11-10 Mao Yuan , Jiarui Niu , Yi Feng , Xu-ning Lv , Chenchen Miao , Lingqi Meng , Bo Peng , Li Deng , Jingye Yan , Weiwei Zhu

Vibration measurements have been used to reliably diagnose performance problems in machinery and related mechanical products. A vibration data collector can be used effectively to measure and analyze the machinery vibration content in…

Computational Engineering, Finance, and Science · Computer Science 2012-08-16 Hisham A. H. Al-Khazali , Mohamad R. Askari

The scope of data-driven fault diagnosis models is greatly extended through deep learning (DL). However, the classical convolution and recurrent structure have their defects in computational efficiency and feature representation, while the…

Artificial Intelligence · Computer Science 2021-12-07 Yifei Ding , Minping Jia , Qiuhua Miao , Yudong Cao

Automatic sensor-based detection of motor failures such as bearing faults is crucial for predictive maintenance in various industries. Numerous methodologies have been developed over the years to detect bearing faults. Despite the…

Deriving health indicators of rotating machines is crucial for their maintenance. However, this process is challenging for the prevalent adopted intelligent methods since they may take the whole data distributions, not only introducing…

Machine Learning · Computer Science 2024-09-04 Wenyang Hu , Gaetan Frusque , Tianyang Wang , Fulei Chu , Olga Fink

Early fault diagnosis is imperative for the proper functioning of rotating machines. It can reduce economic losses in the industry due to unexpected failures. Existing fault analysis methods are either expensive or demand expertise for the…

Signal Processing · Electrical Eng. & Systems 2025-11-03 Sagar Dutta , Banani Basu , Fazal Ahmed Talukdar

This work presents a new frequency acquisition method using semi-rotational frequency detection (SRFD) algorithm for a reference-less clock and data recovery (CDR) in a serial-link receiver. The proposed SRFD algorithm classifies the…

Signal Processing · Electrical Eng. & Systems 2019-05-02 Soon-Won Kwon , Hanho Choi , Younho Jeon , Bongjin Kim , WooHyun Kwon , Homin Park , Kyeongha Kwon , Gain Kim , Hyeon-Min Bae

Event-based cameras (EBCs) are an attractive sensing modality for surveillance due to their reporting of pixel-level radiance changes with microsecond resolution and high dynamic range, enabling motion extraction while suppressing…

Optics · Physics 2026-05-18 Megan Birch , James Rick , Adrish Kar , Jason Zutty , Joseph L. Greene

Estimating the importance of variables is an essential task in modern machine learning. This help to evaluate the goodness of a feature in a given model. Several techniques for estimating the importance of variables have been developed…

Machine Learning · Statistics 2022-08-09 Louis Mozart Kamdem , Ernest Fokoue

Radio frequency (RF) signals have facilitated the development of non-contact human monitoring tasks, such as vital signs measurement, activity recognition, and user identification. In some specific scenarios, an RF signal analysis framework…

Excluding irrelevant features in a pattern recognition task plays an important role in maintaining a simpler machine learning model and optimizing the computational efficiency. Nowadays with the rise of large scale datasets, feature…

Machine Learning · Computer Science 2018-04-17 Saman Sadeghyan

Fast radio bursts (FRBs) are millisecond-duration extragalactic radio transients of unknown origin. Rotation measures (RMs) probe their local magneto-ionic environments and provide important clues to their nature. While RM variability has…

High Energy Astrophysical Phenomena · Physics 2026-04-23 Ye Li

In recent years, data mining technologies have been well applied to many domains, including e-commerce. In customer relationship management (CRM), the RFM analysis model is one of the most effective approaches to increase the profits of…

Databases · Computer Science 2024-11-11 Yanxin Zheng , Wensheng Gan , Zefeng Chen , Pinlyu Zhou , Philippe Fournier-Viger

This paper addresses the detection of periodic transients in vibration signals for detecting faults in rotating machines. For this purpose, we present a method to estimate periodic-group-sparse signals in noise. The method is based on the…

Sound · Computer Science 2016-02-17 Wangpeng He , Yin Ding , Yanyang Zi , Ivan W. Selesnick

Feature selection is playing an increasingly significant role with respect to many computer vision applications spanning from object recognition to visual object tracking. However, most of the recent solutions in feature selection are not…

Computer Vision and Pattern Recognition · Computer Science 2017-07-25 Giorgio Roffo , Simone Melzi , Umberto Castellani , Alessandro Vinciarelli

Technical growths have empowered, numerous revolutions in the educational system by acquainting with technology into the classroom and by elevating the learning experience. Nowadays Web-based learning is getting much popularity. This paper…

Computation and Language · Computer Science 2024-09-04 Latika Tamrakar , Dr. Padmavati Shrivastava , S. M. Ghosh

More attention is being paid for feature importance ranking (FIR), in particular when thousands of features can be extracted for intelligent diagnosis and personalized medicine. A large number of FIR approaches have been proposed, while few…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Shaode Yu , Zhicheng Zhang , Xiaokun Liang , Junjie Wu , Erlei Zhang , Wenjian Qin , Yaoqin Xie