Searched for: subject%3A%22Medical%255C%2Bimaging%22
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Deumel, S. (author), van Breemen, A.J.J.M. (author), Peeters, B. (author), Maas, J. (author), Akkerman, H.B. (author), Meulenkamp, E.A. (author), Gelinck, G.H. (author), Huerdler, J.E. (author), Schmidt, O. (author), Heiss, W. (author), Tedde, S.F. (author)
Future medical X-ray imaging will benefit from advances in computing power and artificial intelligence as well as improvements in the X-ray detector performance itself. Hybrid inorganic-organic perovskite materials promise direct conversion detectors with higher image quality, owing to their strong X-ray absorption, high electron and hole...
conference paper 2022
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Deumel, S. (author), van Breemen, A.J.J.M. (author), Gelinck, G. (author), Peeters, B. (author), Maas, J. (author), Verbeek, R. (author), Shanmugam, S. (author), Akkerman, H. (author), Meulenkamp, E. (author), Huerdler, J.E. (author), Acharya, M. (author), García-Batlle, M. (author)
To realize the potential of artificial intelligence in medical imaging, improvements in imaging capabilities are required, as well as advances in computing power and algorithms. Hybrid inorganic–organic metal halide perovskites, such as methylammonium lead triiodide (MAPbI3), offer strong X-ray absorption, high carrier mobilities (μ) and long...
article 2021
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Sabbadini, A. (author), Caenen, A. (author), Keijzer, L.B.H. (author), van Neer, P.L. (author), Vos, H.J. (author), de Jong, N. (author), Verweij, M.D. (author)
Shear wave elastography (SWE) has the potential to determine cardiac tissue stiffness from non-invasive shear wave speed measurements, important, e.g., for predicting heart failure. Previous studies showed that waves traveling in the interventricular septum (IVS) may display Lamb-like dispersive behaviour, introducing a thickness-frequency...
article 2021
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Nieuwenhuizen, R.P.J. (author), Schottner, M. (author), Pruim, R.H.R. (author), van Dijk, R. (author), van der Stap, N. (author), Schutte, K. (author)
Hyperspectral imaging sensors acquire images in a large number of spectral bands, unlike traditional electro-optical and infrared sensors which sample only one or few bands. Hyperspectral mosaic sensors acquire an image of all spectral bands in one shot. Using a patterned array of spectral filters they measure different wavelength bands at...
conference paper 2019
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Ilse, M. (author), Tomczak, J.M. (author), Louizos, C. (author), Welling, M. (author)
We consider the problem of domain generalization, namely, how to learn representations given data from a set of domains that generalize to data from a previously unseen domain. We propose the domain invariant VAE (DIVA), a generative model that tackles this problem by learning three independent latent subspaces, one for the class, one for the...
conference paper 2019
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Velikova, M. (author), Dutra, I. (author), Burnside, E.S. (author)
The development and use of computerized decision-support systems in the domain of breast cancer has the potential to facilitate the early detection of disease
bookPart 2015
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Schols, R.M. (author), Wieringa, F.P. (author), Alić, L. (author), Bouvy, N.D. (author), Stassen, L.P.S. (author)
Distinguishing critical tissues can be challenging in (para-)thyroid surgery. As a first step towards intraoperative image contrast enhancement, we collected and analyzed spectral signatures (350-1830nm) of thyroid, parathyroid and recurrent laryngeal nerve in 10 patients.
conference paper 2013
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Alić, L. (author), Veenland, J.F. (author)
PURPOSE: Tumour heterogeneity could be a valuable biomarker for differentiation, grading, response monitoring and outcome prediction. Many quantification techniques have been described, however in clinical practice these methods are scarcely used. The aim of this study is to evaluate the performance of the described methods and to identify the...
conference paper 2013
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Keshishzadeh, S. (author), Mooij, A.J. (author), Reza Mousavi, M. (author)
In the context of Domain Specific Languages (DSLs), we study ways to detect faults early in the software development cycle. We propose techniques that validate a wide range of properties, classified into basic and advanced. Basic validation includes syntax checking, reference checking and type checking. Advanced validation concerns domain...
conference paper 2013
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Vaddagiri, K. (author), Monni, S. (author), Neto, A. (author), Nennie, F. (author), van Rossum, W. (author)
This paper presents a novel ultra wide band (UWB) leaky slot antenna. The antenna has a wide impedance bandwidth from 3 to 14 GHz and it is suitable for radar applications requiring high resolution, phase center stability and good pulse preservation, such as medical imaging and ground penetrating radar. © 2013 EurAAP.
conference paper 2013
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Tchebotareva, A. (author), Schols, R.M. (author), Wieringa, F.P. (author), Alić, L. (author), Bouvy, N. (author), Stassen, L.P.S. (author), van de Steeg, E. (author), Klomp, D. (author), Baumer, S. (author), Statham, A. (author), Dunias, P. (author)
One of the challenges during surgery is to make a proper distinction between vital tissues, structures and organs, both at the surface of the exposed area and beneath it. Currently, identification of different tissue types relies either on the skills and anatomical knowledge of the surgeon (e.g., nerves, blood vessels, different tissue types),...
conference paper 2013
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Danilouchkine, M.G. (author), van Neer, P.L.M.J. (author), Verweij, M.D. (author), Matte, G.M. (author), Vletter, W.B. (author), van der Steen, A.F.W. (author), de Jong, N. (author)
Second harmonic imaging is currently accepted as the standard in commercial echographic systems. A new imaging technique, coined as superharmonic imaging (SHI), combines the third till the fifth harmonics, arising during nonlinear sound propagation. It could further enhance the resolution and quality of echographic images. To meet the bandwidth...
article 2013
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Alić, L. (author)
doctoral thesis 2013
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Schols, R.M. (author), Alić, L. (author), Beets, G.L. (author), Breukink, S.O. (author), Wieringa, F.P. (author), Stassen, L.P.S. (author)
BACKGROUND: During colorectal surgical dissections, recognizing essential anatomy is crucial to prevent iatrogenic injury. This study builds forth upon previously identified new inherent anatomical spectral contrasts in fresh human colonic samples. AIM: Assessment of optical spectrometry for discriminating critical tissues (colon, adipose tissue...
conference paper 2012
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Schols, R.M. (author), Bouvy, N.D. (author), Wieringa, F.P. (author), Alić, L. (author), Stassen, L.P.S. (author)
INTRODUCTION: In thyroid and parathyroid surgery iatrogenic injury of the parathyroid glands or the recurrent laryngeal nerve (RLN) is a possible complication that needs to be prevented. The visible contrast between thyroid and parathyroid tissue is delicate to observe. The aim of this pilot study was to collect in vivo spectral reflectance...
conference paper 2012
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Bol, K. (author), Haeck, J.C. (author), Alić, L. (author), Niessen, W.J. (author), de Jong, M. (author), Bernsen, M.D. (author), Veenland, J.F. (author)
Three different DCE-MRI quantification methods: model-free-based, compartment-model-based and principal component analysis, are compared by evaluating parameter maps for histological defined volumes of vital and non-vital tumor tissue. To obtain an accurate spatial correspondence between histology and DCE-MRI, a two-step registration process was...
conference paper 2012
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Alić, L. (author), Haeck, J.C. (author), Bol, K. (author), Klein, S. (author), van Tiel, S.T. (author), Wielopolski, P.A. (author), Bijster, M. (author), Bernsen, M. (author), de Jong, M. (author), Niessen, W.J. (author), Veenland, J.F. (author)
Background:Magnetic resonance imaging (MRI), together with histology, is widely used to diagnose and to monitor treatment in oncology. Spatial correspondence between these modalities provides information about the ability of MRI to characterize cancerous tissue. However, registration is complicated by deformations during pathological processing,...
article 2011
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TNO Defensie en Veiligheid (author), Alić, L. (author), Haeck, J.C. (author), Klein, S. (author), Bol, K. (author), van Tiel, S.T. (author), Wielopolski, P.A. (author), Bijster, M. (author), Niessen, W.J. (author), Bernsen, M. (author), Veenland, J.F. (author), de Jong, M. (author)
Spatial correspondence between histology and multi sequence MRI can provide information about the capabilities of non-invasive imaging to characterize cancerous tissue. However, shrinkage and deformation occurring during the excision of the tumor and the histological processing complicate the co registration of MR images with histological...
conference paper 2010
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TNO Defensie en Veiligheid (author), Bouma, H. (author), Bescos, J.O. (author), Vilanova, A. (author), Gerritsen, F.A. (author)
The full-width at half-max (FWHM) criterion is often used for both manual and automatic quantification of the vessel diameter in medical images. The FWHM criterion is easy to understand and it can be implemented with low computational cost. However, it is well known that the FWHM criterion can give an over- and underestimation of the vessel...
conference paper 2007
document
Wieringa, F.P. (author), Mastik, F. (author), van der Steen, A.F.W. (author), TNO Kwaliteit van Leven (author)
We describe a route toward contactless imaging of arterial oxygen saturation (SpO2) distribution within tissue, based upon detection of a two-dimensional matrix of spatially resolved optical plethysmographic signals at different wavelengths. As a first step toward SpO 2-imaging we built a monochrome CMOS-camera with apochromatic lens and 3λ-LED...
article 2005
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