ArticleThe British journal of radiology2019
Signal-to-noise ratio assessment of muscle diffusion tensor imaging using single image set and validation by the difference image method.
Article in The British journal of radiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Impact of Deep Learning Denoising Algorithm on Diffusion Tensor Imaging of the Growth Plate on Different Spatial Resolutions.Tomography (Ann Arbor, Mich.) · 2024Article
- Traveling Subject-Informed Harmonization Increases Reliability of Brain Diffusion Tensor and Neurite Mapping.Aging and disease · 2023Article
- Diffusion tensor imaging combined with T2 mapping to quantify changes in the skeletal muscle associated with training and endurance exercise in competitive triathletes.European radiology · 2020Article
- Ideal Illumination for Smartphone-based Trabeculectomy Bleb Photography.Journal of ophthalmic & vision researchArticle
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Authors and funding
3 authors.
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Abstract
objectiveSignal-to-noise ratio (SNR) assessment is essential for accurate quantification of diffusion tensor imaging (DTI) metrics and usually requires the use of a difference image method using duplicate images. We aimed to estimate the SNR of DTI of thigh muscles using a single image set without duplicate images.
methodsDTI of one thigh were acquired on a 3 T scanner from 15 healthy adults, and scans with number of signal averages (NSA) = 4 and 8 were repeatedly acquired. SNR were evaluated for six thigh muscles. For SNR calculation from a single image set, diffusion-weighted images with similar diffusion encoding directions were grouped into pairs. The difference image of each pair was high-pass filtered in k-space to yield noise images. Noise images were also calculated with a difference method using two image sets as a reference. Subjects were divided into two groups for filter optimization and validation, respectively. The coefficient of repeatability (CR) of the SNR obtained from the two methods was also evaluated separately.
resultsBland
conclusionThe single image method can be used for DTI SNR assessment and offers better repeatability. ADVANCES IN KNOWLEDGE: SNR of skeletal muscle DTI can be assessed for any data set without duplicate images.
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