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liponan/ghio-matlab: Guided hybrid input-and-output (GHIO), HIO and shrink-wrap ...

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开源软件名称(OpenSource Name):

liponan/ghio-matlab

开源软件地址(OpenSource Url):

https://github.com/liponan/ghio-matlab

开源编程语言(OpenSource Language):

MATLAB 100.0%

开源软件介绍(OpenSource Introduction):

ghio-matlab

Guided hybrid input-and-output (GHIO), HIO and shrink-wrap Matlab functions

Introduction

This Matlab function set consists of some useful functions for phase retrival and image reconstruction that widely used in the community of X-ray coherent diffraction imaging (XCDI).

Function usage

hio2d.m

Developed by Fienup [1], well known and widely used algorithm for XCDI resarch.Supports oversampling smoothness develped by Miao's group [2].

Syntax

function R = hio2d(Fabs, S, n)
function R = hio2d(Fabs, S, n, ukwn, alpha)

ghio.m

Developed by Chien-Chun Chen et al. when he was in Institute of Physics in Academia Sinica [3].

Syntax

function R = ghio2d(Fabs, S, n, gen, rep, checker, alpha)
function [R, G, efs] = ghio2d(Fabs, S, n, gen, rep, checker, alpha)

shrinkwrap.m

Developed by S. Marchesini et al. [4].

Syntax

gshrinkwrap(Fabs, n1, uknwn, gen, n2);
gshrinkwrap(Fabs, n1, ukwn, gen, n2, alpha);
gshrinkwrap(Fabs, n1, ukwn, gen, n2, alpha, sigma, cutoff1, cutoff2);

Description

gshrinkwrap.m

Syntax

gshrinkwrap(Fabs, n1, uknwn, gen, n2, rep);
gshrinkwrap(Fabs, n1, ukwn, gen, n2, rep, alpha);
gshrinkwrap(Fabs, n1, ukwn, gen, n2, rep, alpha, sigma, cutoff1, cutoff2);

References

[1] J.R. Fienup, Appl. Opt. 21, 2758 (1982).

[2] J.A. Rodriguez et al., J. Appl. Cryst. 46 (2013).

[3] C.-C. Chen et al., Phys. Rev. B 59, 064113 (2007).

[4] S. Marchesini et al., Phys. Rev. B 68, 140101 (2003).




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