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This paper proposes a new method to estimate behavioural curves from a stream of Near-Infra-Red (NIR) iris video frames. This method can be used in a Fitness For Duty system (FFD). The research focuses on determining the effect of external…

Computer Vision and Pattern Recognition · Computer Science 2022-03-07 L. Causa , J. E. Tapia , E. Lopez-Droguett , A. Valenzuela , D. Benalcazar , C. Busch

Motivated by the numerous healthcare applications of molecular communication within Internet of Bio-Nano Things (IoBNT), this work addresses the problem of abnormality detection in a blood vessel using multiple biological embedded computing…

Information Theory · Computer Science 2018-07-10 Neeraj Varshney , Adarsh Patel , Yansha Deng , Werner Haselmayr , Pramod K. Varshney , Arumugam Nallanathan

Hyperspectral imaging provides high-dimensional spatial-temporal-spectral information revealing intrinsic matter characteristics. Here we report an on-chip computational hyperspectral imaging framework with high spatial and temporal…

Altered hemodynamics play a key role in cerebrovascular diseases such as aneurysms and stenosis. However, in vivo imaging lacks the spatial resolution required to resolve flow dynamics in small vessels. This study presents an experimental…

Fluid Dynamics · Physics 2026-05-25 Job van Essen , Ahmed Sharaf , Denzel Hopman , Selene Pirola , Paola Fanzio

Semiconductor photonic devices operating in the midwave infrared (mid-IR, which we roughly define here as wavelengths spanning 3 to 14 microns) uniquely address a wide range of current practical needs. These include chemical sensing,…

Foot temperature profiling is of utmost importance is mitigating the adverse effects due to foot complications especially due to diabetes. Contactless temperature monitoring methods could be used effectively in large scale for patient…

Signal Processing · Electrical Eng. & Systems 2019-01-18 K. C. M. Madarasingha , W. N. D. Perera , A. M. A. I. Rathnayaka , H. P. Savindu , S. Jayasinghe , K. T. D. Kahaduwa , A. C. De Silva

In this study, we present a dual-modal AI framework based on short-wave infrared (SWIR) spectroscopy. The first modality employs a multi-wavelength SWIR imaging system coupled with convolutional neural networks (CNNs) to capture spatial…

Image and Video Processing · Electrical Eng. & Systems 2025-06-18 El Arbi Belfarsi , Henry Flores , Maria Valero

Infrared (IR) imaging is one of the significant tools for the quality control measurements of fabricated samples. Standard IR imaging techniques use direct measurements, where light sources and detectors operate at IR range. Due to the…

Quantum Physics · Physics 2020-09-01 Anna V. Paterova , Hongzhi Yang , Zi S. D. Toa , Leonid A. Krivitsky

This paper introduces the Infra-Red, In Situ (IRIS) inspection method, which uses short-wave IR (SWIR) light to non-destructively "see through" the backside of chips and image them with lightly modified conventional digital CMOS cameras.…

Hardware Architecture · Computer Science 2023-03-15 Andrew 'bunnie' Huang

Conventional ultrasonic inspection systems rely on phased arrays and high-performance computing hardware, making them costly, bulky, and unsuitable for portable or embedded use. In this work, we present nRTIS (nano Real-Time 3D Imaging…

Signal Processing · Electrical Eng. & Systems 2025-09-03 Rens Baeyens , Dennis Laurijssen , Jan Steckel , Walter Daems

A manual measurement of blood vessels diameter is a conventional component of routine visual assessment of microcirculation, say, during optical capillaroscopy. However, many modern optical methods for blood flow measurements demand the…

Quantitative Methods · Quantitative Biology 2017-04-21 Eugene B. Postnikov , Maria O. Tsoy , Maxim A. Kurochkin , Dmitry E. Postnov

Noninvasive, non-contact and \textit{in vivo} monitoring of blood glucose is a long needed pathology tool for saving patients from recurring pain and hassle that can accompany conventional blood glucose testing methods. Optical coherence…

Biological Physics · Physics 2008-08-04 R Poddar , S R Sharma , P Sen , J T Andrews

We present a photoacoustic computed tomography investigation on a healthy human finger, to image blood vessels with a focus on vascularity across the interphalangeal joints. The cross-sectional images were acquired using an imager…

This paper explores the use of deep learning-based computer vision for real-time monitoring of the flow in intravenous (IV) infusions. IV infusions are among the most common therapies in hospitalized patients and, given that both…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Nicola Giaquinto , Marco Scarpetta , Maurizio Spadavecchia , Gregorio Andria

Microfluidic devices are increasingly used in synchrotron-based experiments to deliver and probe liquid samples, offering advantages such as minimal sample consumption and reduced radiation damage. Despite their growing use, few devices…

Structured illumination microscopy (SIM) is one of the most versatile super-resolution techniques. Yet, its application to live imaging has been so far mainly limited to fluorescent and stationary specimens. Here, we present advancements in…

Coronary angiography is considered to be a safe tool for the evaluation of coronary artery disease and perform in approximately 12 million patients each year worldwide. [1] In most cases, angiograms are manually analyzed by a cardiologist.…

Computer Vision and Pattern Recognition · Computer Science 2017-06-07 Stanislav Filippov , Arsenii Moiseev , Andronenko Andrey

The regulation of intestinal blood flow is critical to gastrointestinal function. Imaging the intestinal mucosal micro-circulation in vivo has the potential to provide new insight into the gut physiology and pathophysiology. We aimed to…

Purpose: Image guidance is crucial for the success of many interventions. Images are displayed on designated monitors that cannot be positioned optimally due to sterility and spatial constraints. This indirect visualization causes potential…

Other Computer Science · Computer Science 2017-10-03 Long Qian , Mathias Unberath , Kevin Yu , Bernhard Fuerst , Alex Johnson , Nassir Navab , Greg Osgood

Broadband NIRS (bNIRS) is an extension of fNIRS that provides the same assessment of oxygenation biomarkers along with a valuable marker for oxygen metabolism at a cellular level, the oxidation state of cytochrome-c-oxidase (oxCCO). bNIRS…