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首页> 外文期刊>Mathematical Problems in Engineering: Theory, Methods and Applications >A Modified Dai-Liao Conjugate Gradient Method with a New Parameter for Solving Image Restoration Problems
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A Modified Dai-Liao Conjugate Gradient Method with a New Parameter for Solving Image Restoration Problems

机译：A Modified Dai-Liao Conjugate Gradient Method with a New Parameter for Solving Image Restoration Problems

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摘要

One adaptive choice for the parameter of the Dai-Liao conjugate gradient method is suggested in this paper, which is obtained with modified quasi-Newton equation. So we get a modified Dai-Liao conjugate gradient method. Some interesting features of the proposed method are introduced: (i) The value of parametertof the modified Dai-Liao conjugate gradient method takes both the gradient and function value information. (ii) We establish the global convergence property of the modified Dai-Liao conjugate gradient method under some suitable assumptions. (iii) Numerical results show that the modified DL method is effective in practical computation and the image restoration problems.

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