SIFT算法在Matlab中如何实现图像配准及拼接？
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本文共计938个文字，预计阅读时间需要4分钟。
1. 简介
2.部分代码
matlabfunction varargout=OpenImage(varargin) % OPENIMAGE MATLAB code for OpenImage.fig % OPENIMAGE, by itself, creates a new OPENIMAGE or raises the existing singleton.end1 简介
2 部分代码
function varargout = OpenImage(varargin)% OPENIMAGE MATLAB codeforOpenImage.fig% OPENIMAGE, by itself, creates a new OPENIMAGEorraises the existing% singleton*.%% H = OPENIMAGE returns the handle to a new OPENIMAGEorthe handle to% the existing singleton*.%% OPENIMAGE('CALLBACK',hObject,eventData,handles,...) calls the local% function named CALLBACKinOPENIMAGE.M with the given input arguments.%% OPENIMAGE('Property','Value',...) creates a new OPENIMAGEorraises the% existing singleton*. Starting from the left, property value pairs are% applied to the GUI before OpenImage_OpeningFcn gets called. An% unrecognized property nameorinvalid value makes property application% stop. All inputs are passed to OpenImage_OpeningFcn via varargin.%% *See GUI Options on GUIDE's Tools menu. Choose "GUI allows only one% instance to run (singleton)".%% See also: GUIDE, GUIDATA, GUIHANDLES% Edit the above text to modify the response to help OpenImage% Last Modified by GUIDE v2.5 04-Jul-2016 15:53:58% Begin initialization code - DO NOT EDITgui_Singleton = 1;gui_State = struct('gui_Name', mfilename, ... 'gui_Singleton', gui_Singleton, ... 'gui_OpeningFcn', @OpenImage_OpeningFcn, ... 'gui_OutputFcn', @OpenImage_OutputFcn, ... 'gui_LayoutFcn', [] , ... 'gui_Callback', []);if nargin && ischar(varargin{1}) gui_State.gui_Callback = str2func(varargin{1});endif nargout [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});else gui_mainfcn(gui_State, varargin{:});end% End initialization code - DO NOT EDIT% --- Executes just before OpenImage is made visible.function OpenImage_OpeningFcn(hObject, eventdata, handles, varargin)% This function has no output args, see OutputFcn.% hObject handle to figure% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% varargin command line arguments to OpenImage (see VARARGIN)% Choose default command line output for OpenImagehandles.output = hObject;% Update handles structureguidata(hObject, handles);% UIWAIT makes OpenImage wait for user response (see UIRESUME)% uiwait(handles.figure1);initital_dir=pwd;FileInformation=load_listbox(initital_dir,handles);handles.FileInformation=FileInformation;guidata(handles.figure1,handles);uiwait(handles.figure1);% --- Outputs from this function are returned to the command line.function varargout = OpenImage_OutputFcn(hObject, eventdata, handles)% varargout cell array for returning output args (see VARARGOUT);% hObject handle to figure% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global Image_I;% Get default command line output from handles structureif isstruct(handles)==1 varargout{1} = handles.output; Image_I.flag = 0;else %区分是否选择图片 varargout{1} = 0; Image_I.flag = 1;end% --- Executes on selection change in listbox1.function listbox1_Callback(hObject, eventdata, handles)% hObject handle to listbox1 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% Hints: contents = cellstr(get(hObject,'String')) returns listbox1 contents as cell array% contents{get(hObject,'Value')} returns selected item from listbox1index_selected=get(handles.listbox1,'Value');filename=handles.FileInformation.sorted_names{index_selected};handles.FileInformation.filename=[pwd,'\',filename];handles.FileInformation.names_disp=handles.FileInformation.sorted_names_disp{index_selected};handles.FileInformation.imsize=handles.FileInformation.imsize_disp{index_selected};if index_selected<=handles.FileInformation.cnPiont cd(handles.FileInformation.filename) FileInformation=load_listbox(pwd,handles); handles.FileInformation=FileInformation; handles.FileInformation.IsImage=0;else handles.FileInformation.IsImage=1;endglobal Image_I;Image_I.figure1 = handles.figure1;Image_I.FileInformation = handles.FileInformation;guidata(handles.figure1,handles);uiresume(handles.figure1);% --- Executes during object creation, after setting all properties.function listbox1_CreateFcn(hObject, eventdata, handles)% hObject handle to listbox1 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles empty - handles not created until after all CreateFcns called% Hint: listbox controls usually have a white background on Windows.% See ISPC and COMPUTER.if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%function FileInformation=load_listbox(dir_path,handles)cd(dir_path)dir_struct=dir(dir_path);[sorted_names1,sorted_index1]=sortrows({dir_struct.name}');k=max(sorted_index1);ifk==2 sorted_names{1}='.'; sorted_names{2}='..'; sorted_names_disp{1}='.'; sorted_names_disp{2}='..'; imsize_disp{1}='null'; imsize_disp{2}='null'; cnPiont=2;else sorted_names{1}='.'; sorted_names{2}='..'; sorted_names_disp{1}='.'; sorted_names_disp{2}='..'; imsize_disp{1}='null'; imsize_disp{2}='null'; cn=2; %%%%%%%%%%%%%%查找文件夹 for i=1:k [path,name,ext]=fileparts(sorted_names1{i}); switch ext case '' cn=cn+1; cnarray(cn)=cn; sorted_names{cn}=name; sorted_names_disp{cn}=name; imsize_disp{cn}='null'; end end cnPiont=cn; %%%%%%%%%%%%%%%%%查找图片文件 fori=1:k [path,name,ext]=fileparts(sorted_names1{i}); switch ext case{'.bmp','.jpg','.jpeg','.tif','.png','.gif'} cn=cn+1; cnarray(cn)=cn; name=[name,ext]; sorted_names{cn}=name; temp=imread(name); [m,n]=size(temp); m=num2str(m); n=num2str(n); imsize=[' ',m,'*',n]; name_disp=[name,imsize]; sorted_names_disp{cn}=name_disp; imsize_disp{cn}=imsize; end endendFileInformation.sorted_names=sorted_names;FileInformation.sorted_names_disp=sorted_names_disp;FileInformation.imsize_disp=imsize_disp;FileInformation.cnPiont=cnPiont;set(handles.listbox1,'String',sorted_names_disp,... 'Value',1);set(handles.text1,'String',pwd);
3 仿真结果
4 参考文献
[1]袁杰. 基于SIFT的图像配准与拼接技术研究[D]. 南京理工大学.
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本文共计938个文字，预计阅读时间需要4分钟。
1. 简介
2.部分代码
matlabfunction varargout=OpenImage(varargin) % OPENIMAGE MATLAB code for OpenImage.fig % OPENIMAGE, by itself, creates a new OPENIMAGE or raises the existing singleton.end1 简介
2 部分代码
function varargout = OpenImage(varargin)% OPENIMAGE MATLAB codeforOpenImage.fig% OPENIMAGE, by itself, creates a new OPENIMAGEorraises the existing% singleton*.%% H = OPENIMAGE returns the handle to a new OPENIMAGEorthe handle to% the existing singleton*.%% OPENIMAGE('CALLBACK',hObject,eventData,handles,...) calls the local% function named CALLBACKinOPENIMAGE.M with the given input arguments.%% OPENIMAGE('Property','Value',...) creates a new OPENIMAGEorraises the% existing singleton*. Starting from the left, property value pairs are% applied to the GUI before OpenImage_OpeningFcn gets called. An% unrecognized property nameorinvalid value makes property application% stop. All inputs are passed to OpenImage_OpeningFcn via varargin.%% *See GUI Options on GUIDE's Tools menu. Choose "GUI allows only one% instance to run (singleton)".%% See also: GUIDE, GUIDATA, GUIHANDLES% Edit the above text to modify the response to help OpenImage% Last Modified by GUIDE v2.5 04-Jul-2016 15:53:58% Begin initialization code - DO NOT EDITgui_Singleton = 1;gui_State = struct('gui_Name', mfilename, ... 'gui_Singleton', gui_Singleton, ... 'gui_OpeningFcn', @OpenImage_OpeningFcn, ... 'gui_OutputFcn', @OpenImage_OutputFcn, ... 'gui_LayoutFcn', [] , ... 'gui_Callback', []);if nargin && ischar(varargin{1}) gui_State.gui_Callback = str2func(varargin{1});endif nargout [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});else gui_mainfcn(gui_State, varargin{:});end% End initialization code - DO NOT EDIT% --- Executes just before OpenImage is made visible.function OpenImage_OpeningFcn(hObject, eventdata, handles, varargin)% This function has no output args, see OutputFcn.% hObject handle to figure% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% varargin command line arguments to OpenImage (see VARARGIN)% Choose default command line output for OpenImagehandles.output = hObject;% Update handles structureguidata(hObject, handles);% UIWAIT makes OpenImage wait for user response (see UIRESUME)% uiwait(handles.figure1);initital_dir=pwd;FileInformation=load_listbox(initital_dir,handles);handles.FileInformation=FileInformation;guidata(handles.figure1,handles);uiwait(handles.figure1);% --- Outputs from this function are returned to the command line.function varargout = OpenImage_OutputFcn(hObject, eventdata, handles)% varargout cell array for returning output args (see VARARGOUT);% hObject handle to figure% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)global Image_I;% Get default command line output from handles structureif isstruct(handles)==1 varargout{1} = handles.output; Image_I.flag = 0;else %区分是否选择图片 varargout{1} = 0; Image_I.flag = 1;end% --- Executes on selection change in listbox1.function listbox1_Callback(hObject, eventdata, handles)% hObject handle to listbox1 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% Hints: contents = cellstr(get(hObject,'String')) returns listbox1 contents as cell array% contents{get(hObject,'Value')} returns selected item from listbox1index_selected=get(handles.listbox1,'Value');filename=handles.FileInformation.sorted_names{index_selected};handles.FileInformation.filename=[pwd,'\',filename];handles.FileInformation.names_disp=handles.FileInformation.sorted_names_disp{index_selected};handles.FileInformation.imsize=handles.FileInformation.imsize_disp{index_selected};if index_selected<=handles.FileInformation.cnPiont cd(handles.FileInformation.filename) FileInformation=load_listbox(pwd,handles); handles.FileInformation=FileInformation; handles.FileInformation.IsImage=0;else handles.FileInformation.IsImage=1;endglobal Image_I;Image_I.figure1 = handles.figure1;Image_I.FileInformation = handles.FileInformation;guidata(handles.figure1,handles);uiresume(handles.figure1);% --- Executes during object creation, after setting all properties.function listbox1_CreateFcn(hObject, eventdata, handles)% hObject handle to listbox1 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles empty - handles not created until after all CreateFcns called% Hint: listbox controls usually have a white background on Windows.% See ISPC and COMPUTER.if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%function FileInformation=load_listbox(dir_path,handles)cd(dir_path)dir_struct=dir(dir_path);[sorted_names1,sorted_index1]=sortrows({dir_struct.name}');k=max(sorted_index1);ifk==2 sorted_names{1}='.'; sorted_names{2}='..'; sorted_names_disp{1}='.'; sorted_names_disp{2}='..'; imsize_disp{1}='null'; imsize_disp{2}='null'; cnPiont=2;else sorted_names{1}='.'; sorted_names{2}='..'; sorted_names_disp{1}='.'; sorted_names_disp{2}='..'; imsize_disp{1}='null'; imsize_disp{2}='null'; cn=2; %%%%%%%%%%%%%%查找文件夹 for i=1:k [path,name,ext]=fileparts(sorted_names1{i}); switch ext case '' cn=cn+1; cnarray(cn)=cn; sorted_names{cn}=name; sorted_names_disp{cn}=name; imsize_disp{cn}='null'; end end cnPiont=cn; %%%%%%%%%%%%%%%%%查找图片文件 fori=1:k [path,name,ext]=fileparts(sorted_names1{i}); switch ext case{'.bmp','.jpg','.jpeg','.tif','.png','.gif'} cn=cn+1; cnarray(cn)=cn; name=[name,ext]; sorted_names{cn}=name; temp=imread(name); [m,n]=size(temp); m=num2str(m); n=num2str(n); imsize=[' ',m,'*',n]; name_disp=[name,imsize]; sorted_names_disp{cn}=name_disp; imsize_disp{cn}=imsize; end endendFileInformation.sorted_names=sorted_names;FileInformation.sorted_names_disp=sorted_names_disp;FileInformation.imsize_disp=imsize_disp;FileInformation.cnPiont=cnPiont;set(handles.listbox1,'String',sorted_names_disp,... 'Value',1);set(handles.text1,'String',pwd);
3 仿真结果
4 参考文献
[1]袁杰. 基于SIFT的图像配准与拼接技术研究[D]. 南京理工大学.