supported by the National Natural Science Foundation of China(Grant Nos.61671004,61271012,81371549,81671683,and 11501415);the Natural Science Foundation of Tianjin City,China(Grant No.16JCYBJC28600);the WBE Liver Fibrosis Foundation of China(Grant No.CFHPC20131033);the Instrument Developing Project of the Chinese Academy of Sciences(Grant No.YZ201410);the Foundation of Tianjin University of Technology and Education(Grant Nos.KJ11-22 and J10011060321);SRF for ROCS,SEM;the IHEP-CAS Scientific Research Foundation(Grant No.2013IHEPYJRC801)
In-line phase-contrast computed tomography(IL-PC-CT) imaging is a new physical and biochemical imaging method.IL-PC-CT has advantages compared to absorption CT when imaging soft tissues. In practical applications, r...
Supported by the National Natural Science Foundation of China(No.61271012,61671004)
Filter back-projection (FBP) algorithms are available and extensively used methods for tomogra- phy. In this paper, we prove the convergence of FBP algorithms at any continuous point of image function, in L2-norm an...
将Stein[On the functions of Littlewood-Paley,Lusin,and Marcinkiewicz,Trans.Amer.Math.Soc.,1958,88:430-466]中的玛欣凯维奇函数的逆向不等式推广到一般情形.主要结果是对于n-维欧几里得空间k-阶球面调和函数空间的任意一基底,得...
Supported by the National Natural Science Foundation of China(No.61071144,61271012,61121002,10990013)
The Landweber scheme is a method for algebraic image reconstructions. The convergence behavior of the Landweber scheme is of both theoretical and practical importance. Using the diagonalization of matrix, we derive a ...