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iterative ordered subset expectation maximisation reconstruction software  (Johns Hopkins HealthCare)

 
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    Johns Hopkins HealthCare iterative ordered subset expectation maximisation reconstruction software
    Iterative Ordered Subset Expectation Maximisation Reconstruction Software, supplied by Johns Hopkins HealthCare, 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/iterative+ordered+subset+expectation+maximisation+reconstruction+software/pmc04884006-87-42-49
    Average 90 stars, based on 1 article reviews
    iterative ordered subset expectation maximisation reconstruction software - by Bioz Stars, 2026-10
    90/100 stars

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    Related Articles

    Software:

    Article Title: Quantitative lung SPECT applied on simulated early COPD and humans with advanced COPD
    Article Snippet: .. Each set of 20 noisy projections in the simulated COPD study and subject projections in the human study was reconstructed using the iterative ordered subset expectation maximisation reconstruction software developed at Johns Hopkins University, Baltimore, MD, USA. ..

    Article Title: Does quantitative lung SPECT detect lung abnormalities earlier than lung function tests? Results of a pilot study
    Article Snippet: .. The effective dose for this protocol is estimated to be 3.1 mSv (1.3 mSv for SPECT [ ] and 2 mSv for CT), which required a total acquisition time of 25 min. Three-dimensional (3D) SPECT images were reconstructed using the iterative ordered subset expectation maximisation reconstruction software developed at Johns Hopkins University, Baltimore, MD, USA. ..

    Single Photon Emission Computed Tomography:

    Article Title: Does quantitative lung SPECT detect lung abnormalities earlier than lung function tests? Results of a pilot study
    Article Snippet: .. The effective dose for this protocol is estimated to be 3.1 mSv (1.3 mSv for SPECT [ ] and 2 mSv for CT), which required a total acquisition time of 25 min. Three-dimensional (3D) SPECT images were reconstructed using the iterative ordered subset expectation maximisation reconstruction software developed at Johns Hopkins University, Baltimore, MD, USA. ..



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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