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We present a new characterisation technique for atomic vapor cells, combining time-domain measurements with absorption imaging to obtain spatially resolved information on decay times, atomic diffusion and coherent dynamics. The technique is…

Cortical thickness measurements from magnetic resonance imaging, an important biomarker in many neurodegenerative and neurological disorders, are derived by many tools from an initial voxel-wise tissue segmentation. White matter (WM)…

Image and Video Processing · Electrical Eng. & Systems 2025-03-27 Vinzenz Uhr , Ivan Diaz , Christian Rummel , Richard McKinley

This research paper presents a novel approach to the prediction of hypoxia in brain tumors, using multi-parametric Magnetic Resonance Imaging (MRI). Hypoxia, a condition characterized by low oxygen levels, is a common feature of malignant…

Image and Video Processing · Electrical Eng. & Systems 2024-01-26 Daniele Perlo , Georgia Kanli , Selma Boudissa , Olivier Keunen

We present a problem-suited numerical method for a particularly challenging cancer invasion model. This model is a multiscale haptotaxis advection-reaction-diffusion system that describes the macroscopic dynamics of two types of cancer…

Numerical Analysis · Mathematics 2016-05-18 Niklas Kolbe , Maria Lukacova-Medvidova , Nikolaos Sfakianakis , Bettina Wiebe

Purpose: To develop a rapid, high-resolution and distortion-free technique for simultaneous water-fat separation, $R_{2}^{*}$ and $B_{0}$ mapping of the fetal brain at 3T. Methods: A 2D multi-echo radial FLASH sequence with blip gradients…

Purpose: To develop SPARCQ (Signal Profile Asymmetries for Rapid Compartment Quantification), a novel approach to quantify fat fraction using asymmetries in the phase-cycled bSSFP profile. Methods: SPARCQ uses phase-cycling to obtain bSSFP…

Prediction of genetic biomarkers, e.g., microsatellite instability in colorectal cancer is crucial for clinical decision making. But, two primary challenges hamper accurate prediction: (1) It is difficult to construct a pathology-aware…

Quantitative Methods · Quantitative Biology 2026-03-31 Ling Zhang , Boxiang Yun , Ting Jin , Qingli Li , Xinxing Li , Yan Wang

Axonal damage is the primary pathological correlate of long-term impairment in multiple sclerosis (MS). Previous work has demonstrated a strong, quantitative relationship between decrease in axial diffusivity and axonal damage. In the…

Computational Engineering, Finance, and Science · Computer Science 2024-10-15 Nand Sharma

Tissue phenotyping is a fundamental task in learning objective characterizations of histopathologic biomarkers within the tumor-immune microenvironment in cancer pathology. However, whole-slide imaging (WSI) is a complex computer vision in…

Computer Vision and Pattern Recognition · Computer Science 2022-03-02 Richard J. Chen , Rahul G. Krishnan

We present a multimoment technique for signal classification and apply it to the detection of fast radio transients in incoherently dedispersed data. Specifically, we define a spectral modulation index in terms of the fractional variation…

Instrumentation and Methods for Astrophysics · Physics 2015-05-30 Laura Spitler , Jim Cordes , Shami Chatterjee , Julia Stone

Digital holographic microscopy is a thriving imaging modality that attracted considerable research interest in quantitative biological cell imaging due to its ability to not only create excellent label-free contrast, but also supply…

Optics · Physics 2019-04-03 Gili Dardikman , Natan T. Shaked

Report-supervised (RSuper) learning seeks to alleviate the need for dense tumor voxel labels with constraints derived from radiology reports (e.g., volumes, counts, sizes, locations). In MRI studies of brain tumors, however, we often…

Image and Video Processing · Electrical Eng. & Systems 2026-02-25 Yubin Ge , Yongsong Huang , Xiaofeng Liu

A surface plasmon resonance imaging biosensor based on $\text{MoS}_2$ deposited on Aluminium substrate is designed for high imaging sensitivity and detection accuracy. The proposed biosensor exhibits better performance than graphene-based…

Mesoscale and Nanoscale Physics · Physics 2018-12-19 Yi Xu , Lin Wu , Lay Kee Ang

We contrast high effectiveness of state of the art deep learning architectures designed for general audio classification tasks, refined for respiratory insufficiency (RI) detection and blood oxygen saturation (SpO$_2$) estimation and…

In the higher levels of superconducting transmon devices, and more generally charge sensitive devices, $T_2^*$ measurements made in the presence of low-frequency time-correlated $1/f$ charge noise and quasiparticle-induced parity flips can…

Quantum Physics · Physics 2023-03-29 L. A. Martinez , Z. Peng , D. Appelö , D. M. Tennant , N. Anders Petersson , J. L DuBois , Y. J. Rosen

Accurate segmentation of brain tumors in MRI scans is critical for clinical diagnosis and treatment planning. We propose a semi-supervised, two-stage framework that extends the ReCoSeg approach to the larger and more heterogeneous BraTS…

Image and Video Processing · Electrical Eng. & Systems 2025-08-05 Sara Yavari , Rahul Nitin Pandya , Jacob Furst

Radio frequency (RF) biosensors, in particular those based on inter-digitated capacitors (IDCs), are pivotal in areas like biomedical diagnosis, remote sensing, and wireless communication. Despite their advantages of low cost and easy…

Machine Learning · Computer Science 2025-08-11 Sajal Khandelwal , Pawan Kumar , Syed Azeemuddin

The text to medical image (T2MedI) with latent diffusion model has great potential to alleviate the scarcity of medical imaging data and explore the underlying appearance distribution of lesions in a specific patient status description.…

Computer Vision and Pattern Recognition · Computer Science 2025-01-09 Xu Han , Fangfang Fan , Jingzhao Rong , Zhen Li , Georges El Fakhri , Qingyu Chen , Xiaofeng Liu

There has been recent interest in the use of magnitude-based fitting methods for estimating proton density fat fraction (PDFF) and R2* from chemical shift-encoded MRI (CSE-MRI) data, since these methods can still be used when complex- based…

A large body of previous machine learning methods for ultrasound-based prostate cancer detection classify small regions of interest (ROIs) of ultrasound signals that lie within a larger needle trace corresponding to a prostate tissue biopsy…

Image and Video Processing · Electrical Eng. & Systems 2023-03-06 Mahdi Gilany , Paul Wilson , Andrea Perera-Ortega , Amoon Jamzad , Minh Nguyen Nhat To , Fahimeh Fooladgar , Brian Wodlinger , Purang Abolmaesumi , Parvin Mousavi