9 December 1992 Direct 3D reconstruction based on many-knot interpolating spline technique
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A new method of direct 3—D image reconstruction based on many—knot and finite series—expansion techniques is presented. On the basis of the method and a priori 3—D information, a reconstruction algorithm is developed. The problem of reducing the dimensionality of the sparse coefficient matrix is studied. Experimental results showed that the present method is effective for reconstruction from finite directional projection data.
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Ke Liu, Ke Liu, Jian Lu, Jian Lu, Yong-Shen Xiong, Yong-Shen Xiong, Yong-Qing Cheng, Yong-Qing Cheng, Jingyu Yang, Jingyu Yang, } "Direct 3D reconstruction based on many-knot interpolating spline technique", Proc. SPIE 1768, Mathematical Methods in Medical Imaging, (9 December 1992); doi: 10.1117/12.130894; https://doi.org/10.1117/12.130894

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