Search Results - "Matsopoulos, G.K"

A computer-aided diagnostic system to characterize CT focal liver lesions: design and optimization of a neural network classifier by Gletsos, M., Mougiakakou, S.G., Matsopoulos, G.K., Nikita, K.S., Nikita, A.S., Kelekis, D.

“…In this paper, a computer-aided diagnostic (CAD) system for the classification of hepatic lesions from computed tomography (CT) images is presented. Regions of…”
Get full text

Medical imaging correction: A comparative study of five contrast and brightness matching methods by Matsopoulos, G.K

“…Abstract Contrast and brightness matching are often required in many medical imaging applications, especially when comparing medical data acquired over…”
Get full text

Multimodal registration of retinal images using self organizing maps by Matsopoulos, G.K., Asvestas, P.A., Mouravliansky, N.A., Delibasis, K.K.

“…In this paper, an automatic method for registering multimodal retinal images is presented. The method consists of three steps: the vessel centerline detection…”
Get full text

Computer-Aided Diagnosis of Thyroid Malignancy Using an Artificial Immune System Classification Algorithm by Delibasis, K.K., Asvestas, P.A., Matsopoulos, G.K., Zoulias, E., Tseleni-Balafouta, S.

“…The diagnosis of thyroid malignancy by fine needle aspiration (FNA) examination has been proven to show wide variations of sensitivity and specificity. This…”
Get full text

PP.6.5 INNOVATIVE APPROACHES TO RADIOTHERAPY: DEEP LEARNING FOR ORGAN SEGMENTATION by Kakkos, I., Vagenas, T., Zygogianni, A., Karaiskos, P., Kouloulias, V., Matsopoulos, G.K.

Get full text

Image Registration Based on Lifting Process: An Application to Digital Subtraction Radiography by Matsopoulos, G.K., Mouravliansky, N.A., Asvestas, P.A., Delibasis, K.K., Grondahl, K., Grondahl, H.-G.

“…In this paper, a digital subtraction radiology scheme is presented based on a new method for the automatic registration of dental radiographs acquired with or…”
Get full text

Convolutional neural network propagation on electroencephalographic scalograms for detection of schizophrenia by Korda, A.I., Ventouras, E., Asvestas, P., Toumaian, Maida, Matsopoulos, G.K., Smyrnis, N.

“…•Scalograms of EEG signals were used as potential biomarkers of schizophrenia.•Identification of biomarkers in schizophrenia heritability.•Low-frequency…”
Get full text

Contrast enhancement of images using Partitioned Iterated Function Systems by Economopoulos, T.L., Asvestas, P.A., Matsopoulos, G.K.

“…A new algorithm for the contrast enhancement of images, based on the theory of Partitioned Iterated Function System (PIFS), is presented. A PIFS consists of…”
Get full text

Automatic retinal image registration scheme using global optimization techniques by Matsopoulos, G.K., Mouravliansky, N.A., Delibasis, K.K., Nikita, K.S.

“…Retinal image registration is commonly required in order to combine the complementary information in different retinal modalities. In this paper, a new…”
Get full text

A novel and efficient implementation of the marching cubes algorithm by Delibasis, K.S, Matsopoulos, G.K, Mouravliansky, N.A, Nikita, K.S

“…In this paper, a novel and efficient implementation of the marching cubes (MC) algorithm is presented for the reconstruction of anatomical structures from real…”
Get full text

Combining a morphological interpolation approach with a surface reconstruction method for the 3-D representation of tomographic data by Mouravliansky, N., Matsopoulos, G.K., Delibasis, K., Asvestas, P., Nikita, K.S.

“…In this paper, a new interpolation scheme, based on Mathematical Morphology and a modified Marching Cubes (MC) Algorithm to reconstruct 3-D anatomical…”
Get full text

Estimation of fractal dimension of images using a fixed mass approach by Asvestas, P., Matsopoulos, G.K., Nikita, K.S.

“…A method from the field of chaotic dynamics is applied for the estimation of fractal dimension of images. The method is compared with other well-known…”
Get full text

Application of Morphological Pyramids: Fusion of MR and CT Phantoms by Matsopoulos, G.K., Marshall, S.

“…A hierarchical image fusion scheme is presented which preserves the details of the input images regardless of their scale. The technique is demonstrated by…”
Get full text

A Power Differentiation Method of Fractal Dimension Estimation for 2-D Signals by Asvestas, P., Matsopoulos, G.K., Nikita, K.S.

“…Fractal dimension has been used for texture analysis as it is highly correlated with the human perception of surface roughness. Several methods have been…”
Get full text

MR functional cardiac imaging: Segmentation, measurement and WWW based visualisation of 4D data by Delibasis, K.K., Mouravliansky, N., Matsopoulos, G.K., Nikita, K.S., Marsh, A.

“…This paper considers the problem of ventricular segmentation and visualisation from dynamic (4D) MR cardiac data covering an entire patient cardiac cycle, in a…”
Get full text

Reengineering the biomedical-equipment procurement process through an integrated management information system by Larios, Y G, Matsopoulos, G K, Askounis, D T, Nikita, K S

“…The design of each new hospital site is typically preceded by decisions on the most appropriate level of biomedical equipment which significantly influences…”
Get more information

A Real Time Eye-Motion Monitoring System by Delibasis, K.K., Asvestas, P., Matsopoulos, G.K., Economopoulos, T., Assimakis, N.

“…A real time image based system is presented that is able to measure eye movement related quantities at high frame rate. The system's hardware component allows…”
Get full text

Preliminary Study on the Association of Vessel Diameter Variation and Glaucoma by Vlachokosta, A.A., Asvestas, P.A., Matsopoulos, G.K., Uzunoglu, N., Zeyen, T.G.

“…In this paper, the relation between retinal vessel diameters and glaucoma by means of advanced image processing techniques is examined. Eighteen (18) patients…”
Get full text

Morphological data fusion in medical imaging by Marshall, S., Matsopoulos, G.K.

“…A hierarchical image fusion scheme is presented which preserves the details of the input images of most relevance for visual perception. The technique is…”
Get full text

Artificial Immune Network for Automatic Point Correspondence in Medical Images by Delibasis, K.K., Asvestas, P.A., Mouravliansky, N.A., Economopoulos, T.L., Matsopoulos, G.K.

“…In this work, an automatic method for point-by point correspondence between medical images is presented based on the implementation of an Artificial Immune…”
Get full text