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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Geometrical response of multihole collimators.

Study of high-energy multihole collimators

Collimator design for single photon emission tomography S. The Quarterly Journal of Nuclear Medicine: It sets and advises on standards for the practice, education and training of scientists and engineers working in healthcare to secure an effective and appropriate workforce. Skip to search form Skip to main content.

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Geometrical response of multihole collimators

To find out more, see our Privacy and Cookies policy. Gene Ontology GO Terms. 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.


Or filter your current search. Diagnostic Nuclear Medicine, M. Physics of collimator design. From This Paper Figures, tables, and topics from this paper.

In the latter case, please turn on Javascript support in your web browser and reload this page. Formiconi Physics in medicine and biology The geometrical system response is determined in closed form in frequency space. Monte Carlo simulation study. This closed form accounts 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.

In the introduction, the classic formulas to describe the performances of multihole collimator are presented with an overview of the basic concepts.

A complete theory of camera multihole collimators is presented. Sandler Journal of nuclear medicine: Collimator characteristics and design. DewarajaMichael LjungbergKenneth F.

In addition, we also showed that specific values of the gap exist which minimize the artifacts: CitePeer Related Articles http: Dalrymple Journal of dollimators medicine: In the subsequent sections, the tools available for the characterization of multihole collimators are described. Find all citations in this journal default.

Collimators. – Abstract – Europe PMC

Morphologic artifacts Search for additional papers on this topic. Get permission to re-use this article. References Publications referenced by this paper. Nowadays a rather complete theoretical description of the collimator geometrical response is available.


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A rotating parallel hole collimator for high resolution imaging of medium energy radionuclides. Either your web browser doesn’t support Javascript or it is currently turned off. Koral Journal of nuclear medicine: SPECT imaging of fluorine The characterization is divided into aspects related to the geometrical response and aspects related to effects due to interaction of photons with the collimator.

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Design and performance evaluation of a new high energy parallel hole collimator for radioiodine planar imaging by gamma cameras: Showing of 19 references. Its members are professionals working in healthcare, education, industry and research. IPEM’s aim is to promote the advancement of physics and engineering applied to medicine and biology for the public benefit. Vahid MoslemiMansour Ashoor Annals of nuclear medicine Difficulties and some new perspectives on avoiding both penetration and hole pattern artifacts while designing high-energy collimators are mentioned.

Morphologic artifacts Zero suppression Unsharp masking Kiloelectronvolt. By clicking accept or continuing to use the site, you agree to the terms outlined in our Privacy PolicyTerms of Serviceand Dataset License.