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The document presents a novel denoising algorithm called k-space weighted image average (KWIA) designed to enhance the signal-to-noise ratio (SNR) in dynamic MRI applications, specifically arterial spin labeling (ASL)-based dynamic magnetic resonance angiography (dMRA) and perfusion imaging. KWIA operates by dividing the k-space of each time frame into multiple rings, preserving the central ring for image contrast while averaging outer rings to improve SNR, achieving SNR ratios of 1.73 for dMRA and 2.0 for

Author

c53anubhav

Language

EN