English
Related papers

Related papers: Step-Aware Residual-Guided Diffusion for EEG Spati…

200 papers

Unlike conventional data such as natural images, audio and speech, raw multi-channel Electroencephalogram (EEG) data are difficult to interpret. Modern deep neural networks have shown promising results in EEG studies, however finding robust…

Signal Processing · Electrical Eng. & Systems 2022-06-22 Nikesh Bajaj , Jesús Requena Carrión , Francesco Bellotti

We propose SymDiff, a method for constructing equivariant diffusion models using the framework of stochastic symmetrisation. SymDiff resembles a learned data augmentation that is deployed at sampling time, and is lightweight,…

Machine Learning · Computer Science 2025-03-04 Leo Zhang , Kianoosh Ashouritaklimi , Yee Whye Teh , Rob Cornish

RGB-to-hyperspectral image reconstruction is a highly ill-posed inverse problem, since multiple plausible spectral distributions may correspond to the same RGB observation. Existing regression-based methods usually learn a deterministic…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Songyu Ding , Ronggiang Zhao , Mingchun Sun , Jie Liu

Latent neural stochastic differential equations (SDEs) have recently emerged as a promising approach for learning generative models from stochastic time series data. However, they systematically underestimate the noise level inherent in…

Machine Learning · Computer Science 2025-06-11 Linus Heck , Maximilian Gelbrecht , Michael T. Schaub , Niklas Boers

Recent advances in electroencephalography (EEG) foundation models, which capture transferable EEG representations, have greatly accelerated the development of brain-computer interfaces (BCIs). However, existing approaches still struggle to…

Machine Learning · Computer Science 2026-03-24 Muyun Jiang , Shuailei Zhang , Zhenjie Yang , Mengjun Wu , Weibang Jiang , Zhiwei Guo , Wei Zhang , Rui Liu , Shangen Zhang , Yong Li , Yi Ding , Cuntai Guan

Electrocardiogram (ECG) signals play a pivotal role in cardiovascular diagnostics, providing essential information on the electrical activity of the heart. However, the inherent noise and limited resolution in ECG recordings can hinder…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Ugo Lomoio , Pierangelo Veltri , Pietro Hiram Guzzi , Pietro Lio'

Synthetic electrocardiogram generation serves medical AI applications requiring privacy-preserving data sharing and training dataset augmentation. Current diffusion-based methods achieve high generation quality but require hundreds of…

Signal Processing · Electrical Eng. & Systems 2025-09-16 Vitalii Bondar , Serhii Semenov , Vira Babenko , Dmytro Holovniak

Existing denoising generative models rely on solving discretized reverse-time SDEs or ODEs. In this paper, we identify a long-overlooked yet pervasive issue in this family of models: a misalignment between the pre-defined noise level and…

Machine Learning · Computer Science 2025-10-15 Jincheng Zhong , Boyuan Jiang , Xin Tao , Pengfei Wan , Kun Gai , Mingsheng Long

The spatial auditory attention decoding (Sp-AAD) technology aims to determine the direction of auditory attention in multi-talker scenarios via neural recordings. Despite the success of recent Sp-AAD algorithms, their performance is…

Human-Computer Interaction · Computer Science 2024-07-10 Zelin Qiu , Jianjun Gu , Dingding Yao , Junfeng Li

Electroencephalogram (EEG) artifact detection in real-world settings faces significant challenges such as computational inefficiency in multi-channel methods, poor robustness to simultaneous noise, and trade-offs between accuracy and…

Machine Learning · Computer Science 2025-10-10 Hossein Enshaei , Pariya Jebreili , Sayed Mahmoud Sakhaei

Fine-grained air pollution forecasting is crucial for urban management and the development of healthy buildings. Deploying portable sensors on mobile platforms such as cars and buses offers a low-cost, easy-to-maintain, and wide-coverage…

Machine Learning · Computer Science 2025-12-05 Nan Zhou , Weijie Hong , Huandong Wang , Jianfeng Zheng , Qiuhua Wang , Yali Song , Xiao-Ping Zhang , Yong Li , Xinlei Chen

Decoding the directional focus of an attended speaker from listeners' electroencephalogram (EEG) signals is essential for developing brain-computer interfaces to improve the quality of life for individuals with hearing impairment. Previous…

Sound · Computer Science 2025-10-23 Yuanming Zhang , Jing Lu , Fei Chen , Haoliang Du , Xia Gao , Zhibin Lin

Remote Sensing Image Super-Resolution (RSISR) reconstructs high-resolution (HR) remote sensing images from low-resolution inputs to support fine-grained ground object interpretation. Existing methods face three key challenges: (1)…

Computer Vision and Pattern Recognition · Computer Science 2025-04-18 Yide Liu , Haijiang Sun , Xiaowen Zhang , Qiaoyuan Liu , Zhouchang Chen , Chongzhuo Xiao

EEG-based emotion recognition often requires sufficient labeled training samples to build an effective computational model. Labeling EEG data, on the other hand, is often expensive and time-consuming. To tackle this problem and reduce the…

Machine Learning · Computer Science 2021-07-29 Guangyi Zhang , Ali Etemad

Electroencephalography (EEG) visual decoding remains challenging due to the modality gap between low-SNR neural signals and highly structured vision--language spaces, making direct cross-modal alignment unstable. To address this, we propose…

Image and Video Processing · Electrical Eng. & Systems 2026-05-28 Jiahe Meng , Weiming Zeng , Yueyang Li , Bo Chai , Hongjie Yan , Zhiguo Zhang , Wai Ting Siok , Nizhuan Wang

Pulsative signals such as the electrocardiogram (ECG) are extensively collected as part of routine clinical care. However, noisy and poor-quality recordings are a major issue for signals collected using mobile health systems, decreasing the…

Machine Learning · Computer Science 2023-11-15 Alexander Jenkins , Zehua Chen , Fu Siong Ng , Danilo Mandic

The generation and enhancement of satellite imagery are critical in remote sensing, requiring high-quality, detailed images for accurate analysis. This research introduces a two-stage diffusion model methodology for synthesizing…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Ahmad Sebaq , Mohamed ElHelw

Early detection through imaging and accurate diagnosis is crucial in mitigating the high mortality rate associated with breast cancer. However, locating tumors from low-resolution and high-noise medical images is extremely challenging.…

Image and Video Processing · Electrical Eng. & Systems 2024-10-24 Feiyan Feng , Tianyu Liu , Hong Wang , Jun Zhao , Wei Li , Yanshen Sun

Cross-subject EEG-based emotion recognition (EER) remains challenging due to strong inter-subject variability, which induces substantial distribution shifts in EEG signals, as well as the high complexity of emotion-related neural…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Weiwei Wu , Yueyang Li , Yuhu Shi , Weiming Zeng , Lang Qin , Yang Yang , Ke Zhou , Zhiguo Zhang , Wai Ting Siok , Nizhuan Wang

Generative models for Image Super-Resolution (SR) are increasingly powerful, yet their reliance on self-attention's quadratic complexity (O(N^2)) creates a major computational bottleneck. Linear Attention offers an O(N) solution, but its…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Xiaohui Li , Shaobin Zhuang , Shuo Cao , Yang Yang , Yuandong Pu , Qi Qin , Siqi Luo , Bin Fu , Yihao Liu