Combined Energy Minimization for Image Reconstruction from Few Views
Combined Energy Minimization for Image Reconstruction from Few Views
复制标题
从少量视图进行图像重建的组合能量最小化
DOI:
10.1155/2012/154630
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发表时间:
2012-10
影响因子:
--
通讯作者:
Shen, Pei-Yi
中科院分区:
文献类型:
--
作者:
Wei, Wei;Yang, Xiao-Lin;Zhou, Bin;Feng, Jun;Shen, Pei-Yi
Reconstruction from few views is an important problem in medical imaging and applied mathematics. In this paper, a combined energy minimization is proposed for image reconstruction. energy of the image gradient is introduced in the lower density region, and it can accelerate the reconstruction speed and improve the results. Total variation of the image is introduced in the higher density region, and the image features can be preserved well. Nonlinear conjugate gradient method is introduced to solve the problem. The efficiency and accuracy of our method are shown in several numerical experiments.
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