图像配准源码程序 - vb源码程序

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标题：图像配准源码程序
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所属分类: VB源码资源类型：文件大小: 192.66 KB 上传时间: 2016-01-25 19:14:15 下载次数: 13 资源积分：1分提供者: xiaopeng2 图像配准源码程序

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图像配准源码程序，程序员在编程的过程中可以参考学习使用，希望对IT程序员有用，此源码程序简单易懂、方便阅读，有很好的学习价值！

% Demons Registration

% Simple matlab code for 3D image registration using the diffeomorphic log-demons algorithm

% Code is provided in order to help the understanding of the Demons algorithm

% Original Algorithm in:

% [1] - Symmetric Log-Domain Diffeomorphic Registration: A Demons-Based Approach

% Vercauteren, Pennec, Perchant, Ayache -- MICCAI 2008, 754-761

% [2] - Diffeomorphic demons: Efficient non-parametric image registration,

% Vercauteren, Pennec, Perchant, Ayache -- NeuroImage 2009, (45)1:61-72

% For a more recent work/survey, exploiting global shape characteristics

% (instead of the conventional local gradient-based approaches), consider citing

% [1] - Spectral Log-Demons: Diffeomorphic Image Registration with Very Large Deformations

% Lombaert, Grady, Pennec, Ayache, Cheriet -- IJCV 2014, (107)3:254-271

function demons

figure(1); clf; colormap gray;

%% Parameters

niter = 10;

sigma_fluid = 1.0; % regularize update field

sigma_diffusion = 1.0; % regularize deformation field

sigma_i = 1.0; % weight on similarity term

sigma_x = 1.0; % weight on spatial uncertainties (maximal step)

diffeomorphic = 1; % use exp(u)

nlevel = 2; % multiresolution

do_display = 1; % display iterations

% Load images

load('data/im1.mat');

load('data/im2.mat');

F = 256*F(31:90,31:90,:);

M = 256*M(31:90,31:90,:);

if nlevel == 1

%% Register

disp(['Register...']);

opt = struct('niter',niter, 'sigma_fluid',sigma_fluid, 'sigma_diffusion',sigma_diffusion, 'sigma_i',sigma_i, 'sigma_x',sigma_x, 'diffeomorphic',diffeomorphic, 'do_display',do_display, 'do_plotenergy',1);

[Mp,sx,sy,sz] = register(F,M,opt);

else

%% Multiresolution

vx = zeros(size(M)); % deformation field

vy = zeros(size(M));

vz = zeros(size(M));

for k=nlevel:-1:1

disp(['Register level: ' num2str(k) '...']);

% downsample

scale = 2^-(k-1);

Fl = resize(F,scale);

Ml = resize(M,scale);

vxl = resize(vx*scale,scale);

vyl = resize(vy*scale,scale);

vzl = resize(vz*scale,scale);

% register

opt = struct('niter',niter,...

'sigma_fluid',sigma_fluid,...

'sigma_diffusion',sigma_diffusion,...

'sigma_i',sigma_i,...

'sigma_x',sigma_x,...

'diffeomorphic',diffeomorphic,...

'vx',vxl, 'vy',vyl, 'vz',vzl,...

'do_display',do_display, 'do_plotenergy',1);

[Mp,sxl,syl,szl,vxl,vyl,vzl] = register(Fl,Ml,opt);

% upsample

vx = resize(vxl/scale,size(M));

vy = resize(vyl/scale,size(M));

vz = resize(vzl/scale,size(M));

end

文件列表（点击上边下载按钮，如果是垃圾文件请在下面评价差评或者投诉）:

图像配准源码程序/
图像配准源码程序/code/
图像配准源码程序/code/demons2d/
图像配准源码程序/code/demons2d/data/
图像配准源码程序/code/demons3d/
图像配准源码程序/code/demons3d/data/
图像配准源码程序/code/demons2d/data/heart-110.png
图像配准源码程序/code/demons2d/data/heart-64.png
图像配准源码程序/code/demons2d/data/lace1.png
图像配准源码程序/code/demons2d/data/lace2.png
图像配准源码程序/code/demons2d/data/lenag1.png
图像配准源码程序/code/demons2d/data/lenag2.png
图像配准源码程序/code/demons2d/data/lenag3.png
图像配准源码程序/code/demons2d/data/statue-rio-deformed.png
图像配准源码程序/code/demons2d/data/statue-rio.png
图像配准源码程序/code/demons2d/demons.m
图像配准源码程序/code/demons3d/compose.m
图像配准源码程序/code/demons3d/data/im1.mat
图像配准源码程序/code/demons3d/data/im2.mat
图像配准源码程序/code/demons3d/demons.m
图像配准源码程序/code/demons3d/expfield.m
图像配准源码程序/code/demons3d/findupdate.m
图像配准源码程序/code/demons3d/imagepad.m
图像配准源码程序/code/demons3d/imgaussian.m
图像配准源码程序/code/demons3d/iminterpolate.m
图像配准源码程序/code/demons3d/jacobian.m
图像配准源码程序/code/demons3d/register.m
图像配准源码程序/code/demons3d/resize.m
图像配准源码程序/code/demons3d/runme.m
图像配准源码程序/code/demons3d/showgrid.m
图像配准源码程序/code/demons3d/showimage.m
图像配准源码程序/code/demons3d/showvector.m

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