【图像处理基础】基于matlab GUI图片浏览器【含Matlab源码 1015期】

一、数字图像处理简介

图像处理基础教程链接
1 【基础教程】基于matlab图像处理（表示方法+数据结构+基本格式+类型转换+读取+点运算+代数运算）【含Matlab源码 834期】
2 【基础教程】基于matlab图像处理（读写+显示+运算+转换+变换+增强+滤波+分析+统计）【含Matlab源码 144期】
3 【基础教程】基于matlab图像增强+复原+分割【含Matlab源码 056期】

二、部分源代码

function varargout = data_process(varargin)
gui_Singleton = 1;
gui_State = struct('gui_Name',       mfilename, ...
                   'gui_Singleton',  gui_Singleton, ...
                   'gui_OpeningFcn', @data_process_OpeningFcn, ...
                   'gui_OutputFcn',  @data_process_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 data_process_OpeningFcn(hObject, eventdata, handles, varargin)
handles.output = hObject;

guidata(hObject, handles);

function varargout = data_process_OutputFcn(hObject, eventdata, handles) 
varargout{1} = handles.output;

function zoom_in_Callback(~, ~, ~)
toolsmenufcn ZoomIn

function load_dir_Callback(hObject, ~, handles)
strPath = uigetdir('C:\Documents and Settings\Administrator\桌面', '选择目录');
if ~ischar(strPath)
    return
end
setappdata(hObject, 'strPath', strPath);  %当前图片目录
str_jpg = dir([strPath '\*.jpg']);
str_bmp = dir([strPath '\*.bmp']);
str_gif = dir([strPath '\*.gif']);
str1 = [str_jpg; str_bmp; str_gif];
strAllPath = struct2cell(str1);
setappdata(hObject, 'strAllPath', strAllPath);  %当前所有图片的信息
if ~isempty(str1)
    n = find(cell2mat(strAllPath(4, :)) == 1);
    if ~isempty(n)
        strAllPath(:, n) = [];
    end
end
if ~isempty(strAllPath)
    index = 1;
    set(hObject, 'UserData', index);  %当前图片的索引值
    set(handles.pic_name, 'string', strAllPath{1, 1})
    M = imread(fullfile(strPath, strAllPath{1, index}));
    imshow(M);
    h = findall(handles.pic_menu, 'type', 'uimenu');
    delete(h);
    clear h;
    for i = 1 : size(strAllPath, 2)
        uimenu(handles.pic_menu, 'label', strAllPath{1,i}, 'position', i,...
            'callback', {@menu_callback, handles});
    end
    set(findobj('Type', 'uimenu', 'Position', index), 'Checked', 'on');
    
    set(findobj(gcf, 'Type', 'uicontrol', 'Enable', 'inactive'), 'Enable', 'on');
    set(findobj(gcf, 'Type', 'uimenu', 'Enable', 'off'), 'Enable', 'on');
end

function menu_callback(obj, ~, handles)
indexPre = get(handles.load_dir, 'userData');
set(findobj('Type', 'uimenu', 'Position', indexPre), 'Checked', 'off');
index = get(obj, 'position');
set(handles.load_dir, 'userData', index);
set(obj, 'Checked', 'on');
strAllPath = getappdata(handles.load_dir, 'strAllPath');
strPath = getappdata(handles.load_dir, 'strPath');
cla;
M = imread(fullfile(strPath, strAllPath{1, index}));
imshow(M);

function figure1_WindowButtonMotionFcn(hObject, eventdata, handles)
if (~get(handles.zoom_in, 'Value')) && (~get(handles.pic_crop, 'Value'))
    pos=get(handles.axes1,'currentpoint');
    xLim=get(handles.axes1,'xlim');
    yLim=get(handles.axes1,'ylim');
    if (pos(1,1)>=xLim(1)&&pos(1,1)<=xLim(2))&&(pos(1,2)>=yLim(1)&&pos(1,2)<=yLim(2))
        set(gcf,'Pointer','hand')
    else
        set(gcf,'Pointer','arrow')
    end
end

function figure1_WindowButtonDownFcn(hObject, eventdata, handles)
if strcmp(get(gcf,'Pointer'),'hand') && strcmp(get(handles.picNext, 'Enable'), 'on')
    if strcmp(get(gcf,'SelectionType'), 'alt')
        pos = get(gcf, 'currentpoint');
        set(handles.pic_menu, 'position',[pos(1,1) pos(1,2)], 'visible', 'on')
    elseif strcmp(get(gcf,'SelectionType'), 'normal')
            
        picNext_Callback(hObject, eventdata, handles);
    end
end

function picPre_Callback(~, ~, handles)
strAllPath = getappdata(handles.load_dir, 'strAllPath');
strPath = getappdata(handles.load_dir, 'strPath');
indexPre = get(handles.load_dir, 'userData');
if indexPre > 1
    index = indexPre - 1;
else
    index = size(strAllPath, 2);
end
set(handles.load_dir, 'userData', index);
set(findobj(gcf, 'Type', 'uimenu', 'Position', indexPre), 'Checked', 'off');
set(findobj(gcf, 'Type', 'uimenu', 'Position', index), 'Checked', 'on');
cla;
M = imread(fullfile(strPath, strAllPath{1, index}));
imshow(M);
set(handles.pic_name, 'string', strAllPath{1, index});

function picNext_Callback(~, ~, handles)
strAllPath = getappdata(handles.load_dir, 'strAllPath');
strPath = getappdata(handles.load_dir, 'strPath');
indexPre = get(handles.load_dir, 'userData');
if indexPre < size(strAllPath, 2)
    index = indexPre + 1;
else
    index = 1;
end
set(handles.load_dir, 'userData', index);
set(findobj(gcf, 'Type', 'uimenu', 'Position', indexPre), 'Checked', 'off');
set(findobj(gcf, 'Type', 'uimenu', 'Position', index), 'Checked', 'on');
cla;
M = imread(fullfile(strPath, strAllPath{1, index}));
imshow(M);
set(handles.pic_name, 'string', strAllPath{1, index});
function zoom_in_menu_Callback(hObject, eventdata, handles)
val = get(handles.zoom_in, 'Value');
set(handles.zoom_in, 'Value', ~val);
zoom_in_Callback(hObject, eventdata, handles);

function figure1_WindowKeyPressFcn(hObject, eventdata, handles)
switch eventdata.Key
    case {'pageup', 'leftarrow', 'uparrow'}
        picPre_Callback(handles.picPre, eventdata, handles);
    case {'pagedown', 'rightarrow', 'downarrow'}
        picNext_Callback(handles.picNext, eventdata, handles);
end
  
 

  
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三、运行结果

四、matlab版本及参考文献

1 matlab版本
2014a

2 参考文献
[1] 蔡利梅.MATLAB图像处理——理论、算法与实例分析[M].清华大学出版社，2020.
[2]杨丹,赵海滨,龙哲.MATLAB图像处理实例详解[M].清华大学出版社，2013.
[3]周品.MATLAB图像处理与图形用户界面设计[M].清华大学出版社，2013.
[4]刘成龙.精通MATLAB图像处理[M].清华大学出版社，2015.
[5]陈浩,方勇,朱大洲,王成,陈子龙.基于蚁群算法的玉米植株热红外图像边缘检测[J].农机化研究. 2015,37(06)

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原文链接：qq912100926.blog.csdn.net/article/details/118018627