Description of the Minimizers of Least Squares Regularized with $\ell_0$-norm. Uniqueness of the Global Minimizer
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چکیده
منابع مشابه
Description of the minimizers of least squares regularized with l0-norm. Uniqueness of the global minimizer
We have an M × N real-valued arbitrary matrix A (e.g. a dictionary) with M < N and data d describing the sought-after object with the help of A. This work provides an in-depth analysis of the (local and global) minimizers of an objective function Fd combining a quadratic data-fidelity term and an l0 penalty applied to each entry of the sought-after solution, weighted by a regularization paramet...
متن کاملDescription of the Minimizers of Least Squares Regularized with 퓁0-norm. Uniqueness of the Global Minimizer
We have an M × N real-valued arbitrary matrix A (e.g. a dictionary) with M < N and data d describing the sought-after object with the help of A. This work provides an in-depth analysis of the (local and global) minimizers of an objective function Fd combining a quadratic data-fidelity term and an l0 penalty applied to each entry of the sought-after solution, weighted by a regularization paramet...
متن کاملA pr 2 01 3 Description of the minimizers of least squares regularized with l 0 - norm . Uniqueness of the global minimizer
We have an M × N real-valued arbitrary matrix A (e.g. a dictionary) with M < N and data d describing the sought-after object with the help of A. This work provides an indepth analysis of the (local and global) minimizers of an objective function Fd combining a quadratic data-fidelity term and an l0 penalty applied to each entry of the sought after solution, weighted by a regularization paramete...
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ژورنال
عنوان ژورنال: SIAM Journal on Imaging Sciences
سال: 2013
ISSN: 1936-4954
DOI: 10.1137/11085476x