Wyniki wyszukiwania - BazTech

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Computed tomography image processing for diagnostic and training applications in medicine

Borzęcki M., Skurski A., Kamiński M., Balcerzak B., Chłapiński J., Napieralski A., Kasprzyk J., Lipiec P.

Journal of Medical Informatics & Technologies

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2012

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Vol. 19

67--73

EN

The paper deals with processing of imaging data obtained in the course of different medical examination procedures, for use in applications focused on improving both the diagnostic process of a patient as well as extending the training possibilities for medical personnel. Computed tomography (CT) data serves as the main source of structural and volumetric information. Fusion with left ventricular systolic function map, provides a vital information on the state of heart muscle. In parallel, the same set of computed tomography data is reused for simulation of trans-esophageal echocardiography (TEE). The presented simulation setup is used in the course of medical personnel training.

2

Image Processing Methods for Diagnostic and Simulation Applications in Cardiology

Skurski A., Borzęcki M., Balcerzak B., Kamiński M., Napieralski A., Kasprzak J. D., Lipiec P. P.

International Journal of Microelectronics and Computer Science

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2012

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Vol. 3, nr 4

146-151

EN

The paper describes two particular applications of image processing for the purpose of analysis and simulation in the field of cardiology. The authors describe a method which allows for combining the 2D image obtained in ECHO examination, and a 3D model of heart, extracted from a set of CT slices. The fused image provides an intuitive view on the contractual function of heart, by overlaying the bull's eye diagram on the model of left ventricle. By preserving the spatial information, it is possible to accurately point the location of areas with impaired contractual function. Another method described by the authors, displays the use of the CT volume for simulation of echocardiography images for purpose of training application. A simple approach based on pixel brightness adaptation is used to provide images of sufficient training quality. At the same time authors highlight the issues of storage and run-time memory requirement of such application, and suggest a method of reducing the working set size.

3

SEU - the phenomenon omitted by modern operating systems

Borzęcki M., Świercz B., Napieralski A.

Pomiary Automatyka Kontrola

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2009

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R. 55, nr 7

534-536

EN

Modern operating systems are expected to provide one of the key features: performance, meeting time constraints or reliability. Sometimes, the operating systems designers may embed a mix of the listed features, but very few of them are aware of the adverse influence of the environment. In this paper, neutron radiation and cosmic rays are considered as the external factors. A software method of countering the environment induced errors is presented, together with a discussion of the implementation possibilities based on the Linux kernel.

PL

W zależności od przeznaczenia systemu operacyjnego, projektanci skupiają się na jednej z kluczowych cech: wydajności, determinizmie czasowym lub niezawodności. Często projektanci systemów operacyjnych uwzględniają kilka z przytoczonych cech jednocześnie, lecz zazwyczaj zapominają o niekorzystnym wpływie otoczenia na sprzęt elektroniczny. Celem artykułu jest omówienie wpływu jednego z czynników zewnętrznych, jakimi są promieniowanie neutronowe lub kosmiczne, na pracę systemów operacyjnych. Zamiarem autorów artykułu jest przedstawienie programowego algorytmu ochrony systemów przed błędami oraz omówienie możliwości implementacji algorytmu na przykładzie jądra systemu Linux.