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Complex-valued processing has brought deep learning-based speech enhancement and signal extraction to a new level. Typically, the process is based on a time-frequency (TF) mask which is applied to a noisy spectrogram, while complex masks…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-02 Hendrik Schröter , Alberto N. Escalante-B. , Tobias Rosenkranz , Andreas Maier

In this paper, we propose a phase shift deep neural network (PhaseDNN) which provides a wideband convergence in approximating a high dimensional function during its training of the network. The PhaseDNN utilizes the fact that many DNN…

Signal Processing · Electrical Eng. & Systems 2019-05-14 Wei Cai , Xiaoguang Li , Lizuo Liu

Autonomous detection of desired events from large databases using time series classification is becoming increasingly important in civil engineering as a result of continued long-term health monitoring of a large number of engineering…

Machine Learning · Computer Science 2021-01-19 Monica Arul , Ahsan Kareem

Spiking Neural Networks (SNNs) have recently become more popular as a biologically plausible substitute for traditional Artificial Neural Networks (ANNs). SNNs are cost-efficient and deployment-friendly because they process input in both…

Neural and Evolutionary Computing · Computer Science 2023-10-03 Yuhang Li , Tamar Geller , Youngeun Kim , Priyadarshini Panda

In the presence of background noise, arrival times picked from a surface microseismic data set usually include a number of false picks that can lead to uncertainty in location estimation. To eliminate false picks and improve the accuracy of…

Geophysics · Physics 2021-05-05 Lijun Zhu , Lindsay Chuang , James H. McClellan , Entao Liu , Zhigang Peng

In the field of human-computer interaction and psychological assessment, speech emotion recognition (SER) plays an important role in deciphering emotional states from speech signals. Despite advancements, challenges persist due to system…

Sound · Computer Science 2025-02-04 Alaa Nfissi , Wassim Bouachir , Nizar Bouguila , Brian Mishara

The Eikonal equation plays a central role in seismic wave propagation and hypocenter localization, a crucial aspect of efficient earthquake early warning systems. Despite recent progress, real-time earthquake localization remains…

Machine Learning · Computer Science 2023-11-08 Ehsan Haghighat , Umair bin Waheed , George Karniadakis

This paper introduces an innovative framework designed for progressive (granular in time to onset) prediction of seizures through the utilization of a Deep Learning (DL) methodology based on non-invasive multi-modal sensor networks.…

Signal Processing · Electrical Eng. & Systems 2024-11-05 Ali Saeizadeh , Douglas Schonholtz , Joseph S. Neimat , Pedram Johari , Tommaso Melodia

Surgical phase recognition plays a critical role in developing intelligent assistance systems for minimally invasive procedures such as Endoscopic Submucosal Dissection (ESD). However, the high visual similarity across different phases and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Rui Tang , Haochen Yin , Guankun Wang , Long Bai , An Wang , Huxin Gao , Jiazheng Wang , Hongliang Ren

We proposed a robust segmentation and picking workflow to solve the first arrival picking problem for seismic signal processing. Unlike traditional classification algorithm, image segmentation method can utilize the location information by…

Image and Video Processing · Electrical Eng. & Systems 2021-04-08 Pengyu Yuan , Wenyi Hu , Xuqing Wu , Jiefu Chen , Hien Van Nguyen

Seismic data preconditioning is essential for subsurface interpretation. It enhances signal quality while attenuating noise, improving the accuracy of geophysical tasks that would otherwise be biased by noise. Although classical poststack…

Despite the remarkable success of deep learning systems over the last decade, a key difference still remains between neural network and human decision-making: As humans, we cannot only form a decision on the spot, but also ponder,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-15 Gregor Koehler , Tassilo Wald , Constantin Ulrich , David Zimmerer , Paul F. Jaeger , Jörg K. H. Franke , Simon Kohl , Fabian Isensee , Klaus H. Maier-Hein

We propose a novel deep learning framework, named SYMHnet, which employs a graph neural network and a bidirectional long short-term memory network to cooperatively learn patterns from solar wind and interplanetary magnetic field parameters…

Instrumentation and Methods for Astrophysics · Physics 2024-02-28 Yasser Abduallah , Khalid A. Alobaid , Jason T. L. Wang , Haimin Wang , Vania K. Jordanova , Vasyl Yurchyshyn , Huseyin Cavus , Ju Jing

Seismic acoustic impedance inversion is one of the most challenging tasks in geophysical exploration. Many studies have proposed the use of deep learning for processing; however, most of them are limited by factors such as seismic wavelets…

Geophysics · Physics 2025-12-15 Junheng Peng , Xiaowen Wang , Yingtian Liu , Yong Li , Mingwei Wang

Objective: To propose novel SSVEP classification methodologies using deep neural networks (DNNs) and improve performances in single-channel and user-independent brain-computer interfaces (BCIs) with small data lengths. Approach: We propose…

Signal Processing · Electrical Eng. & Systems 2022-04-05 Pedro R. A. S. Bassi , Romis Attux

The electroencephalogram (EEG) is one of the most precious technologies to understand the happenings inside our brain and further understand our body's happenings. Automatic prediction of oncoming seizures using the EEG signals helps the…

Signal Processing · Electrical Eng. & Systems 2022-11-08 Abhijeet Bhattacharya

Micro-expressions are brief, involuntary facial movements that typically last less than half a second and often reveal genuine emotions. Accurately recognizing these subtle expressions is critical for applications in psychology, security,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Vu Tram Anh Khuong , Luu Tu Nguyen , Thi Bich Phuong Man , Thanh Ha Le , Thi Duyen Ngo

Temporary changes in electrical resistance of a nanopore sensor caused by translocating target analytes are recorded as a sequence of pulses on current traces. Prevalent algorithms for feature extraction in pulse-like signals lack…

Signal Processing · Electrical Eng. & Systems 2021-05-11 Dario Dematties , Chenyu Wen , Mauricio David Pérez , Dian Zhou , Shi-Li Zhang

Phase retrieval (PR), a long-established challenge for recovering a complex-valued signal from its Fourier intensity-only measurements, has attracted considerable attention due to its widespread applications in digital imaging. Recently,…

Image and Video Processing · Electrical Eng. & Systems 2022-08-19 Qiuliang Ye , Li-Wen Wang , Daniel Pak-Kong Lun

PercepNet, a recent extension of the RNNoise, an efficient, high-quality and real-time full-band speech enhancement technique, has shown promising performance in various public deep noise suppression tasks. This paper proposes a new…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-07 Xiaofeng Ge , Jiangyu Han , Yanhua Long , Haixin Guan
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