ArticleMagnetic resonance in medicine2025
Enhanced spectral response in frequency-dependent diffusion measurements using a linear encoding model.
Article in Magnetic resonance in medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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- Enhanced spectral response in frequency-dependent diffusion measurements using a linear encoding model.Magnetic resonance in medicine · 2025Article
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Abstract
purposeTo devise a more comprehensive quantitative representation for spectral encodings in frequency-dependent diffusion measurements for improved estimation of D(ω). THEORY AND
methodsWhereas a spectral diffusion measurement is typically represented by a Dirac delta function at a single attributed frequency, spectral response is represented here by the encoding power in |Q(ω)|
resultsIn vivo D(ω) determined using the proposed encoding strategy were found to increase with increasing frequency and could be mapped to spectral responses more spectrally selective than those characteristic of single-frequency attribution. In turn, simulated measurements demonstrated that the linear encoding model permitted D(ω) estimation with improved accuracy, especially for more nonlinear D(ω), at the expense of reduced precision, particularly for narrower frequency intervals.
conclusionBy devising a more holistic representation paradigm for frequency-dependent diffusion measurements, D(ω) can be recovered with higher fidelity.
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