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2 Journal of Medical Informatics & Technologies

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Using computed tomography images for a heart modeling

Szostek K., Piórkowski A., Kempny A., Banyś R., Gackowski A.

Journal of Medical Informatics & Technologies

2012

Vol. 19

75--84

In this paper the quality and analysis of the computed tomography scan sets are presented in the context of creating a 3D𔊬D model of a heart for the ultrasonography simulator. Data was collected during regular patients examination, using various equipment and technique, therefore not every set has required quality. CT data can be fast characterized with histogram that can show if the brightness ranges of objects (heart structures) are selective. This makes CT data usable for simulation by applying a transform function on the CT images to produce ultrasonographylike images. The aim is to use a PACS system of Hospital, which is the source of data. Therefore a proper technique and system for analysis is needed.

Pattern matching algorithms in preparation of a 3D heart models

Bernady G., Gackowski A., Kempny A., Piórkowski A.

Journal of Medical Informatics & Technologies

2011

Vol. 17

313--319

The CT2TEE is an online transoesophageal echocardiography (TEE) simulator [2] developed on the AGH University of Science and Technology. As a basis for the displayed real-time simulation it uses 3D models created by hand from the CT images. The aim of this paper is to present algorithms developed specifically for efficient editing and preparation of three-dimensional models of the heart for use in the CT2TEE simulator. A detailed description of proposed algorithms, their advantages and limitations, is provided.