AIMC Topic: Fourier Analysis

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Enhancing synthetic pelvic CT generation from CBCT using vision transformer with adaptive fourier neural operators.

Biomedical physics & engineering express Aug 11, 2025
This study introduces a novel approach to improve Cone Beam CT (CBCT) image quality by developing a synthetic CT (sCT) generation method using CycleGAN with a Vision Transformer (ViT) and an Adaptive Fourier Neural Operator (AFNO).A dataset of 20 pro...
Algorithms Male Cone-Beam Computed Tomography Humans Neural Networks, Computer Image Processing, Computer-Assisted Radiotherapy Planning, Computer-Assisted Prostatic Neoplasms Radiosurgery Pelvis Fourier Analysis
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Video-based pupillometry using Fourier Mellin image correlation.

Scientific reports Jul 18, 2025
We introduce a novel method for evaluating the pupil light reflex (PLR) response using digital video recordings. Expensive, specialized devices are replacing traditional penlight tests in emergency and neurotrauma departments, but they are not widely...
Humans Image Processing, Computer-Assisted Smartphone Video Recording Female Reproducibility of Results Male Reflex, Pupillary Pupil Monte Carlo Method Fourier Analysis
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FCRNet: Fast Fourier convolutional residual network for ventilator bearing fault diagnosis.

PloS one Jul 11, 2025
This study presents FCRNet, a Fast Fourier Convolution Residual Network, tailored for fault diagnosis of mine ventilation bearings under complex operating conditions. By integrating residual learning with Fast Fourier Convolution (FFC), FCRNet employ...
Ventilators, Mechanical Fourier Analysis Humans Neural Networks, Computer Algorithms
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Ensemble learning for biomedical signal classification: a high-accuracy framework using spectrograms from percussion and palpation.

Scientific reports Jul 1, 2025
Accurate classification of biomedical signals is crucial for advancing non-invasive diagnostic methods, particularly for identifying gastrointestinal and related medical conditions where conventional techniques often fall short. An ensemble learning ...
Support Vector Machine Signal Processing, Computer-Assisted Fourier Analysis Ensemble Learning Palpation Percussion Neural Networks, Computer Machine Learning Algorithms Humans
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DeepGFT: identifying spatial domains in spatial transcriptomics of complex and 3D tissue using deep learning and graph Fourier transform.

Genome biology Jun 3, 2025
The rapid advancements in spatially resolved transcriptomics (SRT) enable the characterization of gene expressions while preserving spatial information. However, high dropout rates and noise hinder accurate spatial domain identification for understan...
Drosophila Deep Learning Lymph Nodes Fourier Analysis Gene Expression Profiling Transcriptome Female Breast Neoplasms Animals Humans
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Harnessing Fast Fourier Transform for Rapid Community Travel Distance and Step Estimation in Children with Duchenne Muscular Dystrophy.

Sensors (Basel, Switzerland) May 21, 2025
Accurate estimation of gait characteristics, including step length, step velocity, and travel distance, is critical for assessing mobility in toddlers, children, and teens with Duchenne muscular dystrophy (DMD) and typically developing (TD) peers. Th...
Humans Female Male Adolescent Child, Preschool Accelerometry Fourier Analysis Muscular Dystrophy, Duchenne Child Walking Gait
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Multi-modal signal integration for enhanced sleep stage classification: Leveraging EOG and 2-channel EEG data with advanced feature extraction.

Artificial intelligence in medicine May 2, 2025
This paper introduces an innovative approach to sleep stage classification, leveraging a multi-modal signal integration framework encompassing Electrooculography (EOG) and two-channel electroencephalography (EEG) data. We explore the utility of vario...
Adult Sleep Stages Electroencephalography Signal Processing, Computer-Assisted Wavelet Analysis Fourier Analysis Electrooculography Humans Neural Networks, Computer
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Tiny Convolutional Neural Network with Supervised Contrastive Learning for Epileptic Seizure Prediction.

International journal of neural systems Apr 28, 2025
Automatic seizure prediction based on ElectroEncephaloGraphy (EEG) ensures the safety of patients with epilepsy and mitigates anxiety. In recent years, significant progress has been made in this field. However, the predictive performance of existing ...
Fourier Analysis Humans Convolutional Neural Networks Electroencephalography Epilepsy Seizures Supervised Machine Learning
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Complex-valued neural networks to speed-up MR thermometry during hyperthermia using Fourier PD and PDUNet.

Scientific reports Apr 6, 2025
Hyperthermia (HT) in combination with radio- and/or chemotherapy has become an accepted cancer treatment for distinct solid tumour entities. In HT, tumour tissue is exogenously heated to temperatures between 39 and 43 °C for 60 min. Temperature monit...
Artifacts Humans Hyperthermia, Induced Deep Learning Neural Networks, Computer Fourier Analysis Thermometry Image Processing, Computer-Assisted Neoplasms Hyperthermia Magnetic Resonance Imaging
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Deep learning-based prediction of atrial fibrillation from polar transformed time-frequency electrocardiogram.

PloS one Mar 10, 2025
Portable and wearable electrocardiogram (ECG) devices are increasingly utilized in healthcare for monitoring heart rhythms and detecting cardiac arrhythmias or other heart conditions. The integration of ECG signal visualization with AI-based abnormal...
Deep Learning Signal Processing, Computer-Assisted Humans Wearable Electronic Devices Atrial Fibrillation Neural Networks, Computer Electrocardiography Fourier Analysis
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