Zobrazeno 1 - 10
of 113
pro vyhledávání: '"Pantelis A, Asvestas"'
Publikováno v:
Engineering Proceedings, Vol 50, Iss 1, p 1 (2023)
Cervical spine pathologies often stem from deformations of the intervertebral discs and spinal canal. This work introduces a computational method for boundary extraction of these structures. The proposed method employs an active shape model (ASM) and
Externí odkaz:
https://doaj.org/article/c8a4193dcd71429e973370ea356c7430
Autor:
Meletios Liaskos, Michalis A. Savelonas, Pantelis A. Asvestas, Marios G. Lykissas, George K. Matsopoulos
Publikováno v:
Information, Vol 11, Iss 9, p 448 (2020)
Intervertebral disc (IVD) localization and segmentation have triggered intensive research efforts in the medical image analysis community, since IVD abnormalities are strong indicators of various spinal cord-related pathologies. Despite the intensive
Externí odkaz:
https://doaj.org/article/85f423e094cd4b13b6ac57d23907aabe
Autor:
Kostas Marias, Nikolaos Smyrnis, Giorgos Giannakakis, Alexandra I. Korda, Pantelis A. Asvestas, Errikos M. Ventouras, George K. Matsopoulos
Publikováno v:
Signals
Volume 2
Issue 1
Pages 6-71
Volume 2
Issue 1
Pages 6-71
This paper investigates eye behaviour through blinks activity during stress conditions. Although eye blinking is a semi-voluntary action, it is considered to be affected by one&rsquo
s emotional states such as arousal or stress. The blinking rat
s emotional states such as arousal or stress. The blinking rat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e8073b99cdbd4682f6884df08e7c8f8c
https://doi.org/10.3390/signals2010006
https://doi.org/10.3390/signals2010006
Autor:
George K. Matsopoulos, Pantelis A. Asvestas, Michalis A. Savelonas, Marios G. Lykissas, Meletios Liaskos
Publikováno v:
Information
Volume 11
Issue 9
Information, Vol 11, Iss 448, p 448 (2020)
Volume 11
Issue 9
Information, Vol 11, Iss 448, p 448 (2020)
Intervertebral disc (IVD) localization and segmentation have triggered intensive research efforts in the medical image analysis community, since IVD abnormalities are strong indicators of various spinal cord-related pathologies. Despite the intensive
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54a1934597dc30cffa8efc176136a509
Autor:
Spiros Kostopoulos, Christos D. Nikolopoulos, Pantelis A. Asvestas, N.-A. I. Livanos, Christos N. Capsalis, Elias Siores, Grigorios Koulouras, Anargyros T. Baklezos, A. Nassiopoulos, I. O. Vardiambasis, Dionisis Cavouras, Panagiotis I. Charamis, Sami Hammal
Publikováno v:
IEEE Sensors Journal. 18:2421-2433
The development of contemporary complex technological systems prerequisites interdisciplinary design and simulation methodologies. Such an approach is demonstrated in the present work. Toward manufacturing a hand-held device aiming at internal body t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b4ec02214605d69a5fd23a8a7beb0af
https://doi.org/10.1109/jsen.2018.2791443
https://doi.org/10.1109/jsen.2018.2791443
Autor:
George K. Matsopoulos, Errikos M. Ventouras, Nikolaos Smyrnis, Alexandra I. Korda, Pantelis A. Asvestas
Publikováno v:
Biomedical Signal Processing and Control. 41:10-20
The study of eye movements has been increasing over the past decade. It is considered that eye movements, mainly saccades and blinks, provide significant information for cognitive and visual processes of the observers. Saccades and blinks are high ve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd766ea358ef6bf438e5dbc4c1bfd2df
https://doi.org/10.1016/j.bspc.2017.11.004
https://doi.org/10.1016/j.bspc.2017.11.004
Autor:
Pantelis A. Asvestas, Konstantinos K. Delibasis, Nikolaos A. Mouravliansky, George K. Matsopoulos
Publikováno v:
International Journal of Biomedical Imaging, Vol 2007 (2007)
The purpose of the paper is to present and evaluate the performance of a new software-based registration system for patient setup verification, during radiotherapy, using electronic portal images. The estimation of setup errors, using the proposed sy
Externí odkaz:
https://doaj.org/article/c16e3ad8c61148fd81d9497a49c9c314
Autor:
Pantelis A. Asvestas, I. Kalatzis, Theofilos H. Sakkis, George Sakellaropoulos, Dimitris Glotsos, Dionisis Cavouras, Spiros Kostopoulos
Publikováno v:
International Journal of Medical Informatics. 105:1-10
Objective The aim of this study was to propose features that evaluate pictorial differences between melanocytic nevus (mole) and melanoma lesions by computer-based analysis of plain photography images and to design a cross-platform, tunable, decision
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aa87a50e4ec84c8e757f76edc85e7931
https://doi.org/10.1016/j.ijmedinf.2017.05.016
https://doi.org/10.1016/j.ijmedinf.2017.05.016
Autor:
Vasiliki E. Markaki, George K. Matsopoulos, Kalliopi Platoni, V. Kouloulias, Pantelis A. Asvestas
This chapter presents an overview of the procedures that are used for the verification of the patient position during radiotherapy. Furthermore, a method for the verification of the radiotherapy isocenter prior to treatment delivery is proposed. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b79399c5afaf30e94ba4922f29f911a4
https://doi.org/10.4018/978-1-5225-6915-2.ch040
https://doi.org/10.4018/978-1-5225-6915-2.ch040
Autor:
Theophilos Sakkis, George Nikiforidis, George Sakellaropoulos, Pantelis A. Asvestas, Konstantinos Perakis, Dionisis Cavouras, Spyros Mantzouratos, Spiros Kostopoulos, Konstantinos Sidiropoulos, Dimitris Glotsos, Eirini-Konstantina Nikolatou, Christos Konstandinou, George Xenogiannopoulos
Publikováno v:
Image Analysis and Stereology, Vol 35, Iss 3, Pp 137-148 (2016)
Malignant melanoma represents the most dangerous type of skin cancer. In this study we present an ensemble classification scheme, employing the mutual information, the cross-correlation and the clustering based on proximity of image features methods,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f886965501284da0576cb2662c29c7f
https://www.ias-iss.org/ojs/IAS/article/view/1446
https://www.ias-iss.org/ojs/IAS/article/view/1446