11、

（1）界面设计

（2）添加按钮的回调函数

function pushbutton1_Callback(hObject, eventdata, handles)

% hObject    handle to pushbutton1 (see GCBO)

% eventdata  reserved - to be defined in a future version of MATLAB

% handles    structure with handles and user data (see GUIDATA)

fd=get(handles.edit1,'String');%获取函数

axes(handles.axes1)%坐标轴

Xmin=get(handles.edit4,'String');

Xmax=get(handles.edit5,'String');

Ymin=get(handles.edit6,'String');

Ymax=get(handles.edit7,'String');%坐标轴范围

f=ezplot(fd,[str2num(Xmin),str2num(Xmax),str2num(Ymin),str2num(Ymax)]);%注意转成数字

col=get(handles.edit2,'String');%获取输入的颜色

wid=get(handles.edit3,'String');%获取输入的线宽

set(f,'Color',col);%设置颜色

set(f,'Linewidth',str2num(wid));%注意str2num

grid on

(3)　

12、图片打开与保存

(1)前台界面

(2)添加打开图片的回调函数

function pushbutton1_Callback(hObject, eventdata, handles)

% hObject    handle to pushbutton1 (see GCBO)

% eventdata  reserved - to be defined in a future version of MATLAB

% handles    structure with handles and user data (see GUIDATA)

[filename,pathname]=uigetfile({'*.jpg';'*.bmp';'*.gif'},'选择图片');

if isequal(filename,0)

    disp('Users Selected Canceled');

else

    str=[pathname filename];

    im = imread(str);

    axes(handles.axes1);%axes1是坐标轴的标示

    imshow(im);

end;

（3）保存并退出的回调函数

function pushbutton2_Callback(hObject, eventdata, handles)

% hObject    handle to pushbutton2 (see GCBO)

% eventdata  reserved - to be defined in a future version of MATLAB

% handles    structure with handles and user data (see GUIDATA)

[filename,pathname]=uiputfile({'*.bmp';},'保存图片','Undefined.bmp');

if ~isequal(filename,0)

    str = [pathname filename];

    px=getframe(handles.axes1);

    %saveas(gcf,str,'bmp');

    ta = getappdata(gcf,'Timg');

    imwrite(px.cdata,str,'bmp');

    close(gcf);

else

    disp('保存失败');

end;

（4）大小可调

（5）

12、

（1）

（2）回调函数

function new_pic_1_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 new_pic_1 (see VARARGIN)

% Choose default command line output for new_pic_1

handles.output = hObject;

% Update handles structure

guidata(hObject, handles);

% UIWAIT makes new_pic_1 wait for user response (see UIRESUME)

% uiwait(handles.figure1);

set(handles.axes1,'xtick',[]);%设置不显示x,y轴

set(handles.axes1,'ytick',[]);

set(handles.axes1,'ycolor','white');

set(handles.axes1,'xcolor','white');

function pushbutton1_Callback(hObject, eventdata, handles)

% hObject    handle to pushbutton1 (see GCBO)

% eventdata  reserved - to be defined in a future version of MATLAB

% handles    structure with handles and user data (see GUIDATA)
global imgsrc %全局变量

[filename,pathname]=uigetfile({'*.jpg';'*.bmp';'*.gif'},'选择图片');

if isequal(filename,0)||isequal(pathname,0)

    disp('Users Selected Canceled');

end

fpath=[pathname filename];

imgsrc = imread(fpath);

axes(handles.axes1);%axes1是坐标轴的标示

imshow(imgsrc);

function pushbutton2_Callback(hObject, eventdata, handles)

% hObject    handle to pushbutton2 (see GCBO)

% eventdata  reserved - to be defined in a future version of MATLAB

% handles    structure with handles and user data (see GUIDATA)

close(gcf)

(3)

(4)

function uibuttongroup1_SelectionChangedFcn(hObject, eventdata, handles)

% hObject    handle to the selected object in uibuttongroup1

% eventdata  reserved - to be defined in a future version of MATLAB

% handles    structure with handles and user data (see GUIDATA)

global imgsrc

str=get(hObject,'String');

axes(handles.axes1);

switch str %调用三种边缘检测函数

    case '原图'

        imshow(imgsrc)

    case 'sobel'

        BW=edge(rgb2gray(imgsrc),'sobel');

        imshow(BW);

    case 'prewitt'

        BW=edge(rgb2gray(imgsrc),'prewitt');

        imshow(BW);

    case 'canny'

        BW=edge(rgb2gray(imgsrc),'canny');

        imshow(BW);

end

12、参数传递

（1）

clear all

hfig=figure;    %新建一个figure窗体

setappdata(hfig,'url','http://www.matlabsky.com'); %添加应用程序数据url

setappdata(hfig,'author','baby_wolf'); %添加应用程序数据author

getappdata(hfig,'url')%获取应用程序数据

getappdata(hfig)

13、

function varargout = pic_1(varargin)

% PIC_1 MATLAB code for pic_1.fig

%      PIC_1, by itself, creates a new PIC_1 or raises the existing

%      singleton*.

%

%      H = PIC_1 returns the handle to a new PIC_1 or the handle to

%      the existing singleton*.

%

%      PIC_1('CALLBACK',hObject,eventData,handles,...) calls the local

%      function named CALLBACK in PIC_1.M with the given input arguments.

%

%      PIC_1('Property','Value',...) creates a new PIC_1 or raises the

%      existing singleton*.  Starting from the left, property value pairs are

%      applied to the GUI before pic_1_OpeningFcn gets called.  An

%      unrecognized property name or invalid value makes property application

%      stop_music.  All inputs are passed to pic_1_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 pic_1

% Last Modified by GUIDE v2.5 01-Dec-2017 00:36:17

% Begin initialization code - DO NOT EDIT

gui_Singleton = 1;

gui_State = struct('gui_Name',       mfilename, ...

                   'gui_Singleton',  gui_Singleton, ...

                   'gui_OpeningFcn', @pic_1_OpeningFcn, ...

                   'gui_OutputFcn',  @pic_1_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

% End initialization code - DO NOT EDIT

% --- Executes just before pic_1 is made visible.

function pic_1_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 pic_1 (see VARARGIN)

% Choose default command line output for pic_1

handles.output = hObject;

% Update handles structure

guidata(hObject, handles);

set(handles.axes1,'xtick',[]);%设置不显示x,y轴

set(handles.axes1,'ytick',[]);

set(handles.axes1,'ycolor','white');

set(handles.axes1,'xcolor','white');

set(handles.axes2,'xtick',[]);%设置不显示x,y轴

set(handles.axes2,'ytick',[]);

set(handles.axes2,'ycolor','white');

set(handles.axes2,'xcolor','white');

set(handles.axes3,'xtick',[]);%设置不显示x,y轴

set(handles.axes3,'ytick',[]);

set(handles.axes3,'ycolor','white');

set(handles.axes3,'xcolor','white');

set(handles.axes4,'xtick',[]);%设置不显示x,y轴

set(handles.axes4,'ytick',[]);

set(handles.axes4,'ycolor','white');

set(handles.axes4,'xcolor','white');

set(handles.axes5,'xtick',[]);%设置不显示x,y轴

set(handles.axes5,'ytick',[]);

set(handles.axes5,'ycolor','white');

set(handles.axes5,'xcolor','white');

% UIWAIT makes pic_1 wait for user response (see UIRESUME)

% uiwait(handles.figure1);

% --- Outputs from this function are returned to the command line.

function varargout = pic_1_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)

% Get default command line output from handles structure

varargout{1} = handles.output;

% --- Executes on button press in rgb.

function rgb_Callback(hObject, eventdata, handles)

% hObject    handle to rgb (see GCBO)

% eventdata  reserved - to be defined in a future version of MATLAB

% handles    structure with handles and user data (see GUIDATA)

global imgsrc

axes(handles.axes2);

[m,n,o]=size(imgsrc);

%%

grayPic=imgsrc(:,:,1);

gp=zeros(1,256); %计算各灰度出现的概率

for i=1:256

    gp(i)=length(find(grayPic==(i-1)))/(m*n);

end 

newGp=zeros(1,256); %计算新的各灰度出现的概率

S1=zeros(1,256);

S2=zeros(1,256);

tmp=0;

for i=1:256

    tmp=tmp+gp(i);

    S1(i)=tmp;

    S2(i)=round(S1(i)*256);

end

for i=1:256

    newGp(i)=sum(gp(find(S2==i)));

end 

newGrayPic=grayPic; %填充各像素点新的灰度值

for i=1:256

    newGrayPic(find(grayPic==(i-1)))=S2(i);

end

nr=newGrayPic;

 %%

grayPic=imgsrc(:,:,2); 

gp=zeros(1,256); %计算各灰度出现的概率

for i=1:256

    gp(i)=length(find(grayPic==(i-1)))/(m*n);

end 

newGp=zeros(1,256); %计算新的各灰度出现的概率

S1=zeros(1,256);

S2=zeros(1,256);

tmp=0;

for i=1:256

    tmp=tmp+gp(i);

    S1(i)=tmp;

    S2(i)=round(S1(i)*256);

end

for i=1:256

    newGp(i)=sum(gp(find(S2==i)));

end 

newGrayPic=grayPic; %填充各像素点新的灰度值

for i=1:256

    newGrayPic(find(grayPic==(i-1)))=S2(i);

end

ng=newGrayPic;

%%

grayPic=imgsrc(:,:,3); 

gp=zeros(1,256); %计算各灰度出现的概率

for i=1:256

    gp(i)=length(find(grayPic==(i-1)))/(m*n);

end 

newGp=zeros(1,256); %计算新的各灰度出现的概率

S1=zeros(1,256);

S2=zeros(1,256);

tmp=0;

for i=1:256

    tmp=tmp+gp(i);

    S1(i)=tmp;

    S2(i)=round(S1(i)*256);

end

for i=1:256

    newGp(i)=sum(gp(find(S2==i)));

end 

newGrayPic=grayPic; %填充各像素点新的灰度值

for i=1:256

    newGrayPic(find(grayPic==(i-1)))=S2(i);

end

nb=newGrayPic;

%%

res=cat(3,nr,ng,nb);

imshow(res); 

% --- Executes on button press in hsv.

function hsv_Callback(hObject, eventdata, handles)

% hObject    handle to hsv (see GCBO)

% eventdata  reserved - to be defined in a future version of MATLAB

% handles    structure with handles and user data (see GUIDATA)

global imgsrc

axes(handles.axes3);

hsv=rgb2hsv(imgsrc);

imshow(hsv)

% --- Executes on button press in smooth.

function smooth_Callback(hObject, eventdata, handles)

% hObject    handle to smooth (see GCBO)

% eventdata  reserved - to be defined in a future version of MATLAB

% handles    structure with handles and user data (see GUIDATA)

global imgsrc

axes(handles.axes4);

w = fspecial('average',8);%生成一个8x8的均值滤波器

smooth_pic = imfilter(imgsrc, w, 'replicate');

imshow(smooth_pic);

% --- Executes on button press in sharpen.

function sharpen_Callback(hObject, eventdata, handles)

% hObject    handle to sharpen (see GCBO)

% eventdata  reserved - to be defined in a future version of MATLAB

% handles    structure with handles and user data (see GUIDATA)

global imgsrc

axes(handles.axes5);

H=fspecial('sobel');%sobel滤波器

J=imfilter(imgsrc, H, 'replicate');%灰度值

sharpen=imgsrc+0.32*J;%比例相加

imshow(sharpen)

% --- Executes on button press in close_all.

function close_all_Callback(hObject, eventdata, handles)

% hObject    handle to close_all (see GCBO)

% eventdata  reserved - to be defined in a future version of MATLAB

% handles    structure with handles and user data (see GUIDATA)

close all

clear sound

% --------------------------------------------------------------------

function file_Callback(hObject, eventdata, handles)

% hObject    handle to file (see GCBO)

% eventdata  reserved - to be defined in a future version of MATLAB

% handles    structure with handles and user data (see GUIDATA)

% --------------------------------------------------------------------

function music_Callback(hObject, eventdata, handles)

% hObject    handle to music (see GCBO)

% eventdata  reserved - to be defined in a future version of MATLAB

% handles    structure with handles and user data (see GUIDATA)

% --------------------------------------------------------------------

function start_music_Callback(hObject, eventdata, handles)

% hObject    handle to start_music (see GCBO)

% eventdata  reserved - to be defined in a future version of MATLAB

% handles    structure with handles and user data (see GUIDATA)

global song

[filename,pathname]=uigetfile({'*.mp3';'*.wma';'*.wav'},'选择音乐');

if isequal(filename,0)||isequal(pathname,0)

    disp('Users Selected Canceled');

end

fpath=[pathname filename];

[song,fs]=audioread(fpath);

sound(song,fs);

% --------------------------------------------------------------------

function stop_music_Callback(hObject, eventdata, handles)

% hObject    handle to stop_music (see GCBO)

% eventdata  reserved - to be defined in a future version of MATLAB

% handles    structure with handles and user data (see GUIDATA)

global song

clear sound%结束音乐

% --------------------------------------------------------------------

function openfile_Callback(hObject, eventdata, handles)

% hObject    handle to openfile (see GCBO)

% eventdata  reserved - to be defined in a future version of MATLAB

% handles    structure with handles and user data (see GUIDATA)

global imgsrc

[filename,pathname]=uigetfile({'*.jpg';'*.bmp';'*.gif'},'选择图片');

if isequal(filename,0)||isequal(pathname,0)

    disp('Users Selected Canceled');

end

fpath=[pathname filename];

imgsrc = imread(fpath);

axes(handles.axes1);%axes1是坐标轴的标示

imshow(imgsrc);

% --------------------------------------------------------------------

function save_Callback(hObject, eventdata, handles)

% hObject    handle to save (see GCBO)

% eventdata  reserved - to be defined in a future version of MATLAB

% handles    structure with handles and user data (see GUIDATA)

% --------------------------------------------------------------------

function save_rgb_Callback(hObject, eventdata, handles)

% hObject    handle to save_rgb (see GCBO)

% eventdata  reserved - to be defined in a future version of MATLAB

% handles    structure with handles and user data (see GUIDATA)

[filename,pathname]=uiputfile({'*.bmp';},'保存图片','Undefined.bmp');

if ~isequal(filename,0)

    str = [pathname filename];

    px=getframe(handles.axes2);

    %saveas(gcf,str,'bmp');

    %ta = getappdata(gcf,'Timg');

    imwrite(px.cdata,str,'bmp');

    %close(gcf);

else

    disp('保存失败');

end;

% --------------------------------------------------------------------

function save_hsv_Callback(hObject, eventdata, handles)

% hObject    handle to save_hsv (see GCBO)

% eventdata  reserved - to be defined in a future version of MATLAB

% handles    structure with handles and user data (see GUIDATA)

[filename,pathname]=uiputfile({'*.bmp';},'保存图片','Undefined.bmp');

if ~isequal(filename,0)

    str = [pathname filename];

    px=getframe(handles.axes3);

    %saveas(gcf,str,'bmp');

    %ta = getappdata(gcf,'Timg');

    imwrite(px.cdata,str,'bmp');

    %close(gcf);

else

    disp('保存失败');

end;

14、gui转exe

(1)

运行之后，得到如下exe

（2）双击exe

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