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Error-bounded lossy compression is becoming an indispensable technique for the success of today's scientific projects with vast volumes of data produced during simulations or instrument data acquisitions. Not only can it significantly…

机器学习 · 计算机科学 2023-10-24 Jinyang Liu , Sheng Di , Kai Zhao , Sian Jin , Dingwen Tao , Xin Liang , Zizhong Chen , Franck Cappello

Electrocardiogram (ECG) is one of the most important diagnostic tools in clinical applications. With the advent of advanced algorithms, various deep learning models have been adopted for ECG tasks. However, the potential of Transformer for…

信号处理 · 电气工程与系统科学 2024-04-24 Ya Zhou , Xiaolin Diao , Yanni Huo , Yang Liu , Xiaohan Fan , Wei Zhao

Dimensionality reduction of ECG signals is considered within the framework of sparse representation. The approach constructs the signal model by selecting elementary components from a redundant dictionary via a greedy strategy. The proposed…

信号处理 · 电气工程与系统科学 2019-06-12 Laura Rebollo-Neira , Dana Cerna

The data scarcity problem in Electroencephalography (EEG) based affective computing results into difficulty in building an effective model with high accuracy and stability using machine learning algorithms especially deep learning models.…

机器学习 · 计算机科学 2021-09-09 Zhi Zhang , Sheng-hua Zhong , Yan Liu

Compression of the sign information of discrete cosine transform coefficients is an intractable problem in image compression schemes due to the equiprobable occurrence of the sign bits. To overcome this difficulty, we propose an efficient…

信息论 · 计算机科学 2024-05-22 Chihiro Tsutake , Keita Takahashi , Toshiaki Fujii

We propose Deep Dict, a deep learning-based lossy time series compressor designed to achieve a high compression ratio while maintaining decompression error within a predefined range. Deep Dict incorporates two essential components: the…

信号处理 · 电气工程与系统科学 2024-01-22 Jinxin Liu , Petar Djukic , Michel Kulhandjian , Burak Kantarci

Wearable electrocardiogram (ECG) measurement using dry electrodes has a problem with high-intensity noise distortion. Hence, a robust noise reduction method is required. However, overlapping frequency bands of ECG and noise make noise…

信号处理 · 电气工程与系统科学 2025-01-14 Takamasa Terada , Masahiro Toyoura

Unlike hiding bit-level messages, hiding image-level messages is more challenging, which requires large capacity, high imperceptibility, and high security. Although recent advances in hiding image-level messages have been remarkable,…

计算机视觉与模式识别 · 计算机科学 2023-05-12 Junxue Yang , Xin Liao

This paper proposes a novel and fast self-supervised solution for sparse-view CBCT reconstruction (Cone Beam Computed Tomography) that requires no external training data. Specifically, the desired attenuation coefficients are represented as…

图像与视频处理 · 电气工程与系统科学 2022-09-30 Ruyi Zha , Yanhao Zhang , Hongdong Li

Linear encoding of sparse vectors is widely popular, but is commonly data-independent -- missing any possible extra (but a priori unknown) structure beyond sparsity. In this paper we present a new method to learn linear encoders that adapt…

Drowsiness state of a driver is a topic of extensive discussion due to its significant role in causing traffic accidents. This research presents a novel approach that combines Fuzzy Common Spatial Patterns (CSP) optimised Phase Cohesive…

信号处理 · 电气工程与系统科学 2023-12-04 Vivek Singh , Tharun Kumar Reddy

Electroencephalogram (EEG) signals play a pivotal role in clinical medicine, brain research, and neurological disease studies. However, susceptibility to various physiological and environmental artifacts introduces noise in recorded EEG…

信号处理 · 电气工程与系统科学 2024-05-24 Bin Wang , Fei Deng , Peifan Jiang

Wireless Electroencephalography (EEG) tele-monitoring systems performing encoding and streaming over energy-hungry wireless channels are limited in energy supply. However, excessive power consumption either in encoding or radio channel may…

信息论 · 计算机科学 2013-06-11 Ramy Hussein , Amr Mohamed

Cardiovascular disease is a major life-threatening condition that is commonly monitored using electrocardiogram (ECG) signals. However, these signals are often contaminated by various types of noise at different intensities, significantly…

信号处理 · 电气工程与系统科学 2024-07-17 Ding Zhu , Vishnu Kabir Chhabra , Mohammad Mahdi Khalili

Electroencephalogram (EEG) has shown a useful approach to produce a brain-computer interface (BCI). One-dimensional (1-D) EEG signal is yet easily disturbed by certain artifacts (a.k.a. noise) due to the high temporal resolution. Thus, it…

信号处理 · 电气工程与系统科学 2025-04-03 Peng Yi , Kecheng Chen , Zhaoqi Ma , Di Zhao , Xiaorong Pu , Yazhou Ren

Silent speech decoding, which performs unvocalized human speech recognition from electroencephalography/electromyography (EEG/EMG), increases accessibility for speech-impaired humans. However, data collection is difficult and performed…

The ever-growing volume of data in imaging sciences stemming from the advancements in imaging technologies, necessitates efficient and reliable storage solutions for such large datasets. This study investigates the compression of industrial…

图像与视频处理 · 电气工程与系统科学 2025-10-24 Bardia Hejazi , Keerthana Chand , Tobias Fritsch , Giovanni Bruno

Electroencephalogram (EEG) classification plays a key role in medical diagnosis and brain-computer interfaces, but remains challenging due to low signal-to-noise ratios and high inter-subject variability. As a result, many existing…

机器学习 · 计算机科学 2026-05-18 Ahmad Bdeir , Johannes Burchert , Tom Hanika , Lars Schmidt-Thieme , Niels Landwehr

All data modalities are not created equal, even when the signal they measure comes from the same source. In the case of the brain, two of the most important data modalities are the scalp electroencephalogram (EEG), and the intracranial…

信号处理 · 电气工程与系统科学 2025-02-26 Francesco Stefano Carzaniga , Gary Tom Hoppeler , Michael Hersche , Kaspar Anton Schindler , Abbas Rahimi

Electrocardiogram (ECG) detection and delineation are key steps for numerous tasks in clinical practice, as ECG is the most performed non-invasive test for assessing cardiac condition. State-of-the-art algorithms employ digital signal…

机器学习 · 计算机科学 2020-05-12 Guillermo Jimenez-Perez , Alejandro Alcaine , Oscar Camara