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Chapter and Conference Paper
Sterilization of Biotic Agents by Microwave Technology in Construction Materials
The use of high-frequency electromagnetic microwave radiation in civil engineering is no novelty. There have been various discussions related to this issue. However, they are often based on inaccurate and supe...
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Chapter and Conference Paper
Registration of Medical Image Sequences Using Auto-differentiation
This paper focuses on image registration using the automatic differentiation of deep learning frameworks. Specifically, a method for the registration of image sequences is proposed and tested on retinal video ...
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Article
Open AccessHeart rate and age modulate retinal pulsatile patterns
Theoretical models of retinal hemodynamics showed the modulation of retinal pulsatile patterns (RPPs) by heart rate (HR), yet in-vivo validation and scientific merit of this biological process is lacking. Such...
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Article
Open AccessImaging video plethysmography shows reduced signal amplitude in glaucoma patients in the area of the microvascular tissue of the optic nerve head
To measure parameters of the cardiac cycle-induced pulsatile light absorption signal (plethysmography signal) of the optic nerve head (ONH) and to compare parameters between normal subjects and patients with d...
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Chapter and Conference Paper
Cell Segmentation in Quantitative Phase Images with Improved Iterative Thresholding Method
Quantitative Phase Imaging (QPI) is a label-free microscopic technique, which provides images with high contrast, moreover, it provides quantitative cell mass measurements for each pixel. Segmentation of parti...
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Chapter and Conference Paper
Robust Automatic Montaging of Adaptive Optics Flood Illumination Retinal Images
Adaptive optics (AO) flood illumination camera acquires retinal images with a limited field of view, which can be extended by image alignment into one wide field of view montage image. The image alignment into...
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Article
Open AccessCell segmentation methods for label-free contrast microscopy: review and comprehensive comparison
Because of its non-destructive nature, label-free imaging is an important strategy for studying biological processes. However, routine microscopic techniques like phase contrast or DIC suffer from shadow-cast ...
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Chapter and Conference Paper
Label-Free Nuclear Staining Reconstruction in Quantitative Phase Images Using Deep Learning
Fluorescence microscopy is a golden standard for contemporary biological studies. However, since fluorescent dyes cross-react with biological processes, a label-free approach is more desirable. The aim of this...
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Chapter and Conference Paper
Automatic Detection of Spontaneous Venous Pulsations Using Retinal Image Sequences
This paper proposes a method of automated detection and parameterization of spontaneous venous pulsation using raw video data acquired from retinal video-ophthalmoscope. Evaluation of magnitude of spontaneous...
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Article
Open AccessTissue perfusion modelling in optical coherence tomography
Optical coherence tomography (OCT) is a well established imaging technique with different applications in preclinical research and clinical practice. The main potential for its application lies in the possibil...
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Article
Open AccessRegistration of retinal sequences from new video-ophthalmoscopic camera
Analysis of fast temporal changes on retinas has become an important part of diagnostic video-ophthalmology. It enables investigation of the hemodynamic processes in retinal tissue, e.g. blood-vessel diameter ...
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Chapter and Conference Paper
Registration of Image Sequences from Experimental Low-Cost Fundus Camera
This paper describes new registration approach for registration of low SNR retinal image sequences. We combine two approaches - Fourier-based method for large shift correction and Lucas-Kanade tracking for sma...
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Chapter and Conference Paper
Registration of 3D Retinal Optical Coherence Tomography Data and 2D Fundus Images
This paper is focused on multimodal and multidimensional image data registration: the three-dimensional retinal optical coherence tomographic (OCT) data and two-dimensional color images of fundus. The registra...
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Chapter and Conference Paper
Tissue Models and Speckle Reduction in Medical Ultrasound Images
This paper presents a new method for speckle noise reduction in medical ultrasound images. It is based on the statistical description of the envelope of ultrasound signal by the virtue of the Nakagami-m distri...
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Chapter and Conference Paper
Fuzzy Approach in Ultrasound Image Segmentation
This contribution present a new approach for ultrasound image segmentation, based on the fuzzy theory. The segmentation is performed on the 2D envelope of radiofrequency (RF) signals instead of the B-mode imag...
