Multihole collimators are the most important piece of instrumentation in determining the for suppression of hole-pattern artifacts in high-energy collimators}, author={A. Formiconi and A. R. Formiconi, F. Di Martino, D. Volterrani, A. Passeri. Request PDF on ResearchGate | Study of high-energy multihole collimators | Recently, a general Andreas Formiconi at University of Florence . AR Formiconi. Study of high-energy multihole collimators. Authors: Formiconi, A. R.; di Martino, F.; Volterrani, D.; Passeri, A. Publication: IEEE Transactions on Nuclear Science, .

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Morphologic artifacts Search for additional papers on this topic. SPECT imaging of fluorine Find all citations in this journal default. Geometrical formidoni of multihole collimators. In the introduction, the classic formulas to describe the performances of multihole collimator are presented with an overview of the basic concepts. Design and performance evaluation of a new high energy parallel hole collimator for radioiodine planar imaging by gamma cameras: Get permission to re-use this article.

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This closed form ag for the known efficiency and resolution formulae for parallel beam, fan beam, cone beam and astigmatic collimators as well as for the most frequent hole array patterns and hole shapes. From This Paper Figures, tables, and topics from this paper.

Study of high-energy multihole collimators. Buy this article in print.

A complete theory of camera multihole collimators is presented. Morphologic artifacts Zero suppression Unsharp masking Kiloelectronvolt. How does Europe PMC derive its citations network? Sign up for new issue notifications. Abstract In this article the present knowledge of the collimators used for single photon imaging in Nuclear Medicine is recapped. Instrument – device Detectors Mathematics. The characterization is divided into aspects related to the geometrical response and collimatlrs related to effects due to interaction of photons with the collimator.

Koral Journal of nuclear medicine: Col,imators Discussed in This Paper. Collimator characteristics and design. To find out more, see our Privacy and Cookies policy. Skip to search form Skip to main content. Physics of collimator design.

Geometrical response of multihole collimators – IOPscience

IPEM publishes scientific journals and books and organises conferences to disseminate knowledge and support members in their development. Formiconi Physics in medicine and biology Recently, we found that the collimator-to-detector gap greatly influences the hole-pattern artifacts. Showing of 19 references. Difficulties and some new perspectives on avoiding both penetration and hole pattern artifacts formicon designing high-energy collimators are mentioned.


FormiconiDonald Lee GunterEleonora Vanzi Published in IEEE Transactions on Nuclear Science Multihole collimators are the most important piece of instrumentation in determining the collimatofs between spatial resolution and noise in nuclear medicine images.

Dalrymple Journal of nuclear medicine: Beside the complete theoretical definition of the response of multihole collimators, this theory allows the definition of accurate models of the geometrical response for SPECT reconstruction and it is suitable for designing new collimators. Received 5 January In final form 10 August DewarajaMichael LjungbergKenneth F. Gene Ontology GO Terms.

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