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Source wavelet estimation is the key in seismic signal processing for resolving subsurface structural properties. Homomorphic deconvolution using cepstrum analysis has been an effective method for wavelet estimation for decades. In general,…

Information Theory · Computer Science 2012-06-06 K. H. Miah , R. H. Herrera , M. van der Baan , M. D. Sacchi

Previous brain decoding research primarily involves single-subject studies, reconstructing stimuli via fMRI activity from the same subject. Our study aims to introduce a generalization technique for cross-subject brain decoding, facilitated…

Neurons and Cognition · Quantitative Biology 2023-09-06 Matteo Ferrante , Tommaso Boccato , Nicola Toschi

As one of the most commonly ordered imaging tests, computed tomography (CT) scan comes with inevitable radiation exposure that increases the cancer risk to patients. However, CT image quality is directly related to radiation dose, thus it…

Image and Video Processing · Electrical Eng. & Systems 2021-04-27 Xiaowe Xu , Jiawei Zhang , Jinglan Liu , Yukun Ding , Tianchen Wang , Hailong Qiu , Haiyun Yuan , Jian Zhuang , Wen Xie , Yuhao Dong , Qianjun Jia , Meiping Huang , Yiyu Shi

We apply modified diffusion entropy analysis (MDEA) to assess multifractal dimensions of ON time series (ONTS) and complexity synchronization (CS) analysis to infer information transfer among ONs that are part of a network of organ networks…

Functional ultrasound (fUS) indirectly measures brain activity by recording changes in cerebral blood volume and flow in response to neural activation. Conventional approaches model such functional neuroimaging data as the convolution…

Signal Processing · Electrical Eng. & Systems 2022-05-26 Aybuke Erol , Chagajeg Soloukey , Bastian Generowicz , Nikki Van Dorp , Sebastiaan Koekkoek , Pieter Kruizinga , Borbala Hunyadi

Head computed tomography (CT) imaging is a widely-used imaging modality with multitudes of medical indications, particularly in assessing pathology of the brain, skull, and cerebrovascular system. It is commonly the first-line imaging in…

We proposed a deconvolution optical-resolution photoacoustic microscope for high -resolution imaging of brain. The focal spot of the photoacoustic microscopy is measured to obtain the lateral PSF (point spread function) of the system.…

Medical Physics · Physics 2020-11-05 Xianlin Song , Lingfang Song , Anqing Chen , Jianshuang Wei

Designing a registration framework for images that do not share the same probability distribution is a major challenge in modern image analytics yet trivial task for the human visual system (HVS). Discrepancies in probability distributions,…

Computer Vision and Pattern Recognition · Computer Science 2019-08-22 Awais Mansoor , Marius George Linguraru

A prospective study was performed on neurosurgical samples from 18 patients to evaluate the use of Full-Field Optical Coherence Tomography (FF-OCT) in brain tumor diagnosis. FF-OCT captures en face slices of tissue samples at 1\mum…

Ultra-high field MRI offers unprecedented detail for non-invasive visualization of the human brain. However, brain imaging is challenging at 7T due to the B$_1^+$ field inhomogeneity, which results in signal intensity drops in temporal…

Medical Physics · Physics 2024-03-13 Vladislav Koloskov , Wyger Brink , Andrew Webb , Alena Shchelokova

Ultrasound imaging is a standard examination during pregnancy that can be used for measuring specific biometric parameters towards prenatal diagnosis and estimating gestational age. Fetal head circumference (HC) is one of the significant…

Image and Video Processing · Electrical Eng. & Systems 2019-09-04 Zahra Sobhaninia , Shima Rafiei , Ali Emami , Nader Karimi , Kayvan Najarian , Shadrokh Samavi , S. M. Reza Soroushmehr

MR images of fetuses allow clinicians to detect brain abnormalities in an early stage of development. The cornerstone of volumetric and morphologic analysis in fetal MRI is segmentation of the fetal brain into different tissue classes.…

Image and Video Processing · Electrical Eng. & Systems 2019-06-12 N. Khalili , N. Lessmann , E. Turk , N. Claessens , R. de Heus , T. Kolk , M. A. Viergever , M. J. N. L. Benders , I. Isgum

Estimating accurate high-dimensional transformations remains very challenging, especially in a clinical setting. In this paper, we introduce a multiscale parameterization of deformations to enhance registration and atlas estimation in the…

Optimization and Control · Mathematics 2025-01-31 Fleur Gaudfernau , Eléonore Blondiaux , Stéphanie Allassonnière , Erwan Le Pennec

Multi-center neuroimaging studies face technical variability due to batch differences across sites, which potentially hinders data aggregation and impacts study reliability.Recent efforts in neuroimaging harmonization have aimed to minimize…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Haoyu Lan , Bino A. Varghese , Nasim Sheikh-Bahaei , Farshid Sepehrband , Arthur W Toga , Jeiran Choupan

We tackle the challenging problem of single-source domain generalization (DG) for medical image segmentation, where we train a network on one domain (e.g., CT) and directly apply it to a different domain (e.g., MR) without adapting the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Franz Thaler , Martin Urschler , Mateusz Kozinski , Matthias AF Gsell , Gernot Plank , Darko Stern

Deep learning shows high potential for many medical image analysis tasks. Neural networks can work with full-size data without extensive preprocessing and feature generation and, thus, information loss. Recent work has shown that the…

Confidence in the results is a key ingredient to improve the adoption of machine learning methods by clinicians. Uncertainties on the results have been considered in the literature, but mostly those originating from the learning and…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Maxime Di Folco , Gabriel Bernardino , Patrick Clarysse , Nicolas Duchateau

The midline related pathological image features are crucial for evaluating the severity of brain compression caused by stroke or traumatic brain injury (TBI). The automated midline delineation not only improves the assessment and clinical…

Image and Video Processing · Electrical Eng. & Systems 2020-02-28 Shen Wang , Kongming Liang , Chengwei Pan , Chuyang Ye , Xiuli Li , Feng Liu , Yizhou Yu , Yizhou Wang

Recent advances in molecular and genetic research have identified a diverse range of brain tumor sub-types, shedding light on differences in their molecular mechanisms, heterogeneity, and origins. The present study performs whole-brain…

Neurons and Cognition · Quantitative Biology 2024-07-26 Debanjali Bhattacharya , Ninad Aithal , Manish Jayswal , Neelam Sinha

Federated learning is increasingly being explored in the field of medical imaging to train deep learning models on large scale datasets distributed across different data centers while preserving privacy by avoiding the need to transfer…

Image and Video Processing · Electrical Eng. & Systems 2021-12-21 Vishwa S Parekh , Shuhao Lai , Vladimir Braverman , Jeff Leal , Steven Rowe , Jay J Pillai , Michael A Jacobs
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