Relaxation strategy for the Landweber method
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- 作者：Guanghui Hana ; Gangrong Qua ; b ; grqu@bjtu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Ming Jiangc ; d ; ming-jiang@ieee.org" class="auth_mail" title="E-mail the corresponding author
- 关键词：Landweber iteration ; Relaxation strategy ; Image reconstruction ; Weighted least-squares
- 刊名：Signal Processing
- 出版年：2016
- 出版时间：August 2016
- 年：2016
- 卷：125
- 期：Complete
- 页码：87-96
- 全文大小：1472 K
文摘
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We derive the optimal relaxation method.
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We establish the iterative relaxation strategy to accelerate the convergence.
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We derive the corresponding results for Richardson׳s iteration.
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Numerical simulations are conducted to validate the theoretical results.