一、简介

1 案例背景

2 理论基础


息，如下表所示：

二、源代码

function varargout = MainFrame(varargin)
% MAINFRAME MATLAB code for MainFrame.fig
%      MAINFRAME, by itself, creates a new MAINFRAME or raises the existing
%      singleton*.
%
%      H = MAINFRAME returns the handle to a new MAINFRAME or the handle to
%      the existing singleton*.
%
%      MAINFRAME('CALLBACK',hObject,eventData,handles,...) calls the local
%      function named CALLBACK in MAINFRAME.M with the given input arguments.
%
%      MAINFRAME('Property','Value',...) creates a new MAINFRAME or raises the
%      existing singleton*.  Starting from the left, property value pairs are
%      applied to the GUI before MainFrame_OpeningFcn gets called.  An
%      unrecognized property name or invalid value makes property application
%      stop.  All inputs are passed to MainFrame_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 MainFrame

% Last Modified by GUIDE v2.5 17-Dec-2013 21:03:28

% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name',       mfilename, ...
    'gui_Singleton',  gui_Singleton, ...
    'gui_OpeningFcn', @MainFrame_OpeningFcn, ...
    'gui_OutputFcn',  @MainFrame_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 MainFrame is made visible.
function MainFrame_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 MainFrame (see VARARGIN)

% Choose default command line output for MainFrame
handles.output = hObject;
clc;
handles.videoFilePath = 0;
handles.videoInfo = 0;
handles.videoImgList = 0;
handles.videoStop = 1;

% Update handles structure
guidata(hObject, handles);

% UIWAIT makes MainFrame wait for user response (see UIRESUME)
% uiwait(handles.figure1);


% --- Outputs from this function are returned to the command line.
function varargout = MainFrame_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 pushbuttonPlay.
function pushbuttonPlay_Callback(hObject, eventdata, handles)
% hObject    handle to pushbuttonPlay (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
% 播放按钮
set(handles.pushbuttonPause, 'Enable', 'On');
set(handles.pushbuttonPause, 'tag', 'pushbuttonPause', 'String', '暂停');
set(handles.sliderVideoPlay, 'Max', handles.videoInfo.NumberOfFrames, 'Min', 0, 'Value', 1);
set(handles.editSlider, 'String', sprintf('%d/%d', 0, handles.videoInfo.NumberOfFrames));
% 循环载入视频帧图像并显示
for i = 1 : handles.videoInfo.NumberOfFrames
    waitfor(handles.pushbuttonPause,'tag','pushbuttonPause');
    I = imread(fullfile(pwd, sprintf('video_images\\%03d.jpg', i)));    
    try
        imshow(I, [], 'Parent', handles.axesVideo);
        % 设置进度条
        set(handles.sliderVideoPlay, 'Value', i);
        set(handles.editSlider, 'String', sprintf('%d/%d', i, handles.videoInfo.NumberOfFrames));
    catch
        return;
    end
    drawnow;
end
% 控制暂停按钮
set(handles.pushbuttonPause, 'Enable', 'Off');

% --- Executes on button press in pushbuttonOpenVideoFile.
function pushbuttonOpenVideoFile_Callback(hObject, eventdata, handles)
% hObject    handle to pushbuttonOpenVideoFile (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
% 打开视频文件按钮
videoFilePath = OpenVideoFile();
if videoFilePath == 0
    return;
end
set(handles.editVideoFilePath, 'String', videoFilePath);
msgbox('打开视频文件成功！', '提示信息');
handles.videoFilePath = videoFilePath;
guidata(hObject, handles);


% --- Executes on button press in pushbuttonImageList.
function pushbuttonImageList_Callback(hObject, eventdata, handles)
% hObject    handle to pushbuttonImageList (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
% 获取图像序列按钮
if handles.videoInfo == 0
    msgbox('请先获取视频信息', '提示信息');
    return;
end
Video2Images(handles.videoFilePath);
msgbox('获取图像序列成功！', '提示信息');

% --- Executes on button press in pushbuttonStopCheck.
function pushbuttonStopCheck_Callback(hObject, eventdata, handles)
% hObject    handle to pushbuttonStopCheck (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
% 视频分析
[s, sx, sy] =  MotionAnalysis();
handles.s = s;
handles.sx = sx;
handles.sy = sy;
% Update handles structure
guidata(hObject, handles);

% --- Executes on button press in pushbuttonPause.
function pushbuttonPause_Callback(hObject, eventdata, handles)
% hObject    handle to pushbuttonPause (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
% 暂停按钮
% 获取响应标记
str = get(handles.pushbuttonPause, 'tag');
if strcmp(str, 'pushbuttonPause') == 1
    set(handles.pushbuttonPause, 'tag', 'pushbuttonContinue', 'String', '继续');
    pause on;
else
    set(handles.pushbuttonPause, 'tag', 'pushbuttonPause', 'String', '暂停');
    pause off;
end

% --- Executes on button press in pushbuttonStop.
function pushbuttonStop_Callback(hObject, eventdata, handles)
% hObject    handle to pushbuttonStop (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
% 停止按钮
axes(handles.axesVideo); cla; axis on; box on;
set(gca, 'XTick', [], 'YTick', [], ...
    'XTickLabel', '', 'YTickLabel', '', 'Color', [0.7020 0.7804 1.0000]);
set(handles.editSlider, 'String', '0/0');
set(handles.sliderVideoPlay, 'Value', 0);
set(handles.pushbuttonPause, 'tag', 'pushbuttonContinue', 'String', '继续');
set(handles.pushbuttonPause, 'Enable', 'Off');
set(handles.pushbuttonPause, 'String', '暂停');


function editFrameNum_Callback(hObject, eventdata, handles)
% hObject    handle to editFrameNum (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hints: get(hObject,'String') returns contents of editFrameNum as text
%        str2double(get(hObject,'String')) returns contents of editFrameNum as a double


% --- Executes during object creation, after setting all properties.
function editFrameNum_CreateFcn(hObject, eventdata, handles)
% hObject    handle to editFrameNum (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called

% Hint: edit 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

三、运行结果

四、备注

版本：2014a
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