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ordered subset expectation maximisation (osem) algorithm truex  (Siemens Healthineers)

 
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    Siemens Healthineers ordered subset expectation maximisation (osem) algorithm truex
    Ordered Subset Expectation Maximisation (Osem) Algorithm Truex, supplied by Siemens Healthineers, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/ordered-subset+expectation+maximisation+algorithm/osem3d+algorithm/pm33715090-57-7-13
    Average 90 stars, based on 1 article reviews
    ordered subset expectation maximisation (osem) algorithm truex - by Bioz Stars, 2026-10
    90/100 stars

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    Related Articles

    Single Photon Emission Computed Tomography:

    Article Title: 360° CZT-SPECT/CT cameras: 99m Tc- and 177 Lu-phantom-based evaluation under clinical conditions
    Article Snippet: We improved this approach from a previous study comparing OSEM and xSPECT algorithms (Siemens Healthineers, Erlangen, Germany) [ ], where TTF was only performed from the mid-plane of the Ø37 mm sphere.

    Article Title: Development of a high affinity Anticalin ® directed against human CD98hc for theranostic applications
    Article Snippet: Data were analyzed with the Inveon Research Workplace software (Siemens Medical Solutions) and reconstructed using the 0.8 mm high resolution OSEM-3D algorithm.

    Article Title: Prognostic Value of Pre-Treatment [18F]FDG PET/CT Texture Analysis in Undifferentiated Soft-Tissue Sarcoma.
    Article Snippet: PET images were reconstructed by an ordered subset expectation maximization (OSEM) algorithm (TrueX, Siemens Healthineers) with point spread function modelling (3 iterations, 21 subsets).

    Article Title: The usefulness of quantitative 99m Tc-HMPAO WBC SPECT/CT for predicting lower extremity amputation in diabetic foot infection.
    Article Snippet: CT-based attenuationcorrected SPECT and quantitative SPECT were reconstructed on 256 × 256 matrices using Flash 3D-ordered subset expectation maximization and an ordered subset conjugate gradient maximization (xSPECT Quant, Siemens Medical Solutions, IL) algorithms (eight subsets and four iterations; Gaussian filter of 8.0), respectively.

    Article Title: Evaluation of standardized uptake value on 131 I-6β-iodomethyl-19-norcholesterol scintigraphy for diagnosis of primary aldosteronism and correspondence with adrenal venous sampling.
    Article Snippet: Purpose Adrenal venous sampling (AVS) is a reliable method for lateralization of adrenal hormone secretion, which is important for discriminating between aldosterone-producing adenoma and bilateral adrenal hyperplasia, both of which cause primary aldosteronism (PA).. The aim of this study was to evaluate the diagnostic accuracy of the maximum and mean standardized uptake values (SUVmax and SUVmean, respectively) of 131I-6β-iodomethyl-19-norcholesterol (NP-59) singlephoton emission computed tomography (SPECT) for PA and its correspondence with AVS.. Methods Adrenal NP-59 scintigraphy was performed in 14 patients with suspected PA, and AVS was also performed in 7 of them.

    Article Title: Prostate specific membrane antigen binding fibronectin type iii domains
    Article Snippet: Three-dimensional PET images were reconstructed using a 2D ordered-subsets expectation maximization algorithm (Siemens Healthcare, Knoxville, TN) into a 768×768×512 tomographic volume, with voxel size 0.107 mm×0.107 mm×0.107 mm.

    Software:

    Article Title: 360° CZT-SPECT/CT cameras: 99m Tc- and 177 Lu-phantom-based evaluation under clinical conditions
    Article Snippet: We improved this approach from a previous study comparing OSEM and xSPECT algorithms (Siemens Healthineers, Erlangen, Germany) [ ], where TTF was only performed from the mid-plane of the Ø37 mm sphere.

    Article Title: Development of a high affinity Anticalin ® directed against human CD98hc for theranostic applications
    Article Snippet: Data were analyzed with the Inveon Research Workplace software (Siemens Medical Solutions) and reconstructed using the 0.8 mm high resolution OSEM-3D algorithm.

    Article Title: Prognostic Value of Pre-Treatment [18F]FDG PET/CT Texture Analysis in Undifferentiated Soft-Tissue Sarcoma.
    Article Snippet: PET images were reconstructed by an ordered subset expectation maximization (OSEM) algorithm (TrueX, Siemens Healthineers) with point spread function modelling (3 iterations, 21 subsets).

    Article Title: The usefulness of quantitative 99m Tc-HMPAO WBC SPECT/CT for predicting lower extremity amputation in diabetic foot infection.
    Article Snippet: CT-based attenuationcorrected SPECT and quantitative SPECT were reconstructed on 256 × 256 matrices using Flash 3D-ordered subset expectation maximization and an ordered subset conjugate gradient maximization (xSPECT Quant, Siemens Medical Solutions, IL) algorithms (eight subsets and four iterations; Gaussian filter of 8.0), respectively.

    Article Title: Evaluation of standardized uptake value on 131 I-6β-iodomethyl-19-norcholesterol scintigraphy for diagnosis of primary aldosteronism and correspondence with adrenal venous sampling.
    Article Snippet: Purpose Adrenal venous sampling (AVS) is a reliable method for lateralization of adrenal hormone secretion, which is important for discriminating between aldosterone-producing adenoma and bilateral adrenal hyperplasia, both of which cause primary aldosteronism (PA).. The aim of this study was to evaluate the diagnostic accuracy of the maximum and mean standardized uptake values (SUVmax and SUVmean, respectively) of 131I-6β-iodomethyl-19-norcholesterol (NP-59) singlephoton emission computed tomography (SPECT) for PA and its correspondence with AVS.. Methods Adrenal NP-59 scintigraphy was performed in 14 patients with suspected PA, and AVS was also performed in 7 of them.

    Article Title: Prostate specific membrane antigen binding fibronectin type iii domains
    Article Snippet: Three-dimensional PET images were reconstructed using a 2D ordered-subsets expectation maximization algorithm (Siemens Healthcare, Knoxville, TN) into a 768×768×512 tomographic volume, with voxel size 0.107 mm×0.107 mm×0.107 mm.



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    Contrast-to-noise ratio (CNR) of the investigated collimators with optimized values for each rod size by Gaussian post-filtering (full width half maximum = rod size). Bar charts compare the image quality of the collimators XUHR-M, GP-M and UHS-M for different activity levels in the mini Derenzo phantoms 850.500 and 850.100. In addition, the graphs in ( c ), ( e ) and ( g ) show how the 3DT-Scanner with the same GP-M collimator and a pixel-based ordered-subset expectation <t>maximisation</t> (POSEM) reconstruction algorithm compares to the new 2DT-Scanner and the similarity-regulated ordered-subset expectation maximisation <t>(SROSEM)</t> algorithm. Time per bed position (TPB) was 300 s with at least 9 bed positions (BP), corresponding to a total scan duration of 45 min
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    Image Search Results


    Contrast-to-noise ratio (CNR) of the investigated collimators with optimized values for each rod size by Gaussian post-filtering (full width half maximum = rod size). Bar charts compare the image quality of the collimators XUHR-M, GP-M and UHS-M for different activity levels in the mini Derenzo phantoms 850.500 and 850.100. In addition, the graphs in ( c ), ( e ) and ( g ) show how the 3DT-Scanner with the same GP-M collimator and a pixel-based ordered-subset expectation maximisation (POSEM) reconstruction algorithm compares to the new 2DT-Scanner and the similarity-regulated ordered-subset expectation maximisation (SROSEM) algorithm. Time per bed position (TPB) was 300 s with at least 9 bed positions (BP), corresponding to a total scan duration of 45 min

    Journal: EJNMMI Physics

    Article Title: Performance evaluation of fifth-generation ultra-high-resolution SPECT system with two stationary detectors and multi-pinhole imaging

    doi: 10.1186/s40658-020-00335-6

    Figure Lengend Snippet: Contrast-to-noise ratio (CNR) of the investigated collimators with optimized values for each rod size by Gaussian post-filtering (full width half maximum = rod size). Bar charts compare the image quality of the collimators XUHR-M, GP-M and UHS-M for different activity levels in the mini Derenzo phantoms 850.500 and 850.100. In addition, the graphs in ( c ), ( e ) and ( g ) show how the 3DT-Scanner with the same GP-M collimator and a pixel-based ordered-subset expectation maximisation (POSEM) reconstruction algorithm compares to the new 2DT-Scanner and the similarity-regulated ordered-subset expectation maximisation (SROSEM) algorithm. Time per bed position (TPB) was 300 s with at least 9 bed positions (BP), corresponding to a total scan duration of 45 min

    Article Snippet: For reconstruction of the created list-mode data, the similarity-regulated ordered-subsets expectation maximisation algorithm (SROSEM), as provided with the dedicated software (MILabs.Rec Version 8.06) of the 2DT-Scanner system, was used [ ].

    Techniques: Activity Assay