K-band: Self-supervised MRI Reconstruction via Stochastic Gradient Descent over K-space Subsets.
Frédéric WangHan QiAlfredo De GoyenecheReinhard HeckelMichael LustigEfrat ShimronPublished in: CoRR (2023)
Keyphrases
- stochastic gradient descent
- least squares
- matrix factorization
- loss function
- high resolution
- step size
- random forests
- online algorithms
- weight vector
- support vector machine
- regularization parameter
- multiple kernel learning
- importance sampling
- support vector
- cost function
- small number
- linear combination
- image processing
- lower bound