SYSTEM AND METHOD FOR IMPROVING SHARPNESS OF MAGNETIC RESONANCE IMAGES USING A DEEP LEARNING NEURAL NETWORK
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United States of America Patent
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Feb 22, 2024
app pub date -
Aug 12, 2022
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Aug 12, 2022
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Abstract
A method for generating a magnetic resonance (MR) image of a subject includes receiving an MR image of the subject reconstructed from undersampled MR data of the subject and providing the low resolution MR image of the subject to an image sharpness neural network. The image sharpness neural network can be implemented without an upsampling layer. The image sharpness neural network may be trained using a set of loss functions including an L1 Fast Fourier Transform (FFT) loss function. The method may further include generating an enhanced resolution MR image of the subject with increased sharpness based on the MR image of the subject using the image sharpness neural network.
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