function?varargout?=?main（varargin）
%?MAIN?MATLAB?code?for?main.fig
gui_Singleton?=?1;
gui_State?=?struct（‘gui_Name‘???????mfilename?...
???????????????????‘gui_Singleton‘??gui_Singleton?...
???????????????????‘gui_OpeningFcn‘?@main_OpeningFcn?...
???????????????????‘gui_OutputFcn‘??@main_OutputFcn?...
???????????????????‘gui_LayoutFcn‘??[]??...
???????????????????‘gui_Callback‘???[]）;
if?nargin?&&?ischar（varargin{1}）
????gui_State.gui_Callback?=?str2func（varargin{1}）;
end
if?nargout
????[varargout{1:nargout}]?=?gui_mainfcn（gui_State?varargin{:}）;
else
????gui_mainfcn（gui_State?varargin{:}）;
end
function?main_OpeningFcn（hobject?eventdata?handles?varargin）
handles.output?=?hobject;
guidata（hobject?handles）;
function?varargout?=?main_OutputFcn（hobject?eventdata?handles）?

varargout{1}?=?handles.output;
%?---?Executes?on?button?press?in?pushbutton1
function?pushbutton1_Callback（hobject?eventdata?handles）?????????????????%%%%%%%%打開圖像
global?im;
[filenamepathname]=uigetfile（{‘*.*‘;‘*.bmp‘;‘*.jpg‘;‘*.tif‘;‘*.jpg‘}‘選擇圖像‘）;
if?isequal（filename0）||isequal（pathname0）
??errordlg（‘您還沒有選取圖片??！‘‘溫馨提示‘）;%如果沒有輸入，則創(chuàng)建錯誤對話框?
??return;
else
????image=[pathnamefilename];%合成路徑+文件名
????im=imread（image）;%讀取圖像
????axes（handles.axes1）;
????imshow（im）;%在坐標(biāo)axes1顯示原圖像?
????title（‘原始QR圖像‘）;
end
%?---?Executes?on?button?press?in?pushbutton3
function?pushbutton3_Callback（hobject?eventdata?handles）?????%???QR解碼顯示
global?I_otsu;???%global?定義全局變量
global?im;
global?KL;
global?Ijibian;
I_jiema=Ijibian;
I_jiema=I_otsu;??%二值
I_jiema=KL;
I_jiema=im;
str=zxing_decode（I_jiema）;?????????????%解碼
set（handles.edit1‘String‘str）;????????%顯示字符
%?---?Executes?on?button?press?in?pushbutton4
function?pushbutton4_Callback（hobject?eventdata?handles）???%???灰度化處理
global?im;
global?II;
I=im;
[whl]=size（I）;????????%圖像大小??????
II=[];
for?i=1:h
???for?j=1:w
????II（ji）=0.3*I（ji1）+0.59*I（ji2）+0.11*I（ji3）;???????%灰度化處理RGB三分量進(jìn)行加權(quán)平均能得到較合理的灰度圖像。
end
end
figureimshow（II[]）??????????????????????????????????????%顯示圖像
title（‘QR二維碼灰度化處理‘）;
%?---?Executes?on?button?press?in?pushbutton5
function?pushbutton5_Callback（hobject?eventdata?handles）???%???平滑處理
global?II;
global?I3;
III=uint8（II）;???????????????????????????????%圖像轉(zhuǎn)換0-255
Ix=imnoise（III‘salt?&?pepper‘0.02）;?????????%對灰度化圖像人為加噪聲
I3=medfilt2（Ix[33]）;????????????????????????%平滑處理??中值濾波，[m?n]指定模版的大小，m行n列
figure
imshow（Ix）
title（‘QR二維碼加噪處理‘）;
figure
imshow（I3）
title（‘QR二維碼平滑處理‘）;
%?---?Executes?on?button?press?in?pushbutton6
function?pushbutton6_Callback（hobject?eventdata?handles）%%%%%%%%%%%%%%%%%%%????二值化處理
global?I3;
global?I_otsu;
I_otsu=otsut（I3）;??????????????????????????????%二值化處理
figure
imshow（I_otsu[]）
title（‘QR二維碼二值化處理‘）;
function?edit1_Callback（hobject?eventdata?handles）
function?edit1_CreateFcn（hobject?eventdata?handles）

if?ispc?&&?isequal（get（hobject‘BackgroundColor‘）?get（0‘defaultUicontrolBackgroundColor‘））
????set（hobject‘BackgroundColor‘‘white‘）;
end
%?---?Executes?on?button?press?in?push