How do I make the GUI executable

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Dong Yi 2020-12-5

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https://ww2.mathworks.cn/matlabcentral/answers/679288-how-do-i-make-the-gui-executable

评论： Walter Roberson 2020-12-19

Hi guys,

What I want to ask is the general code can’t be put into the GUI, because the above code can run without GUI code, but once the GUI is added, it will be like this.

The code is related to deep learning. I want to change the part that shows the numbers to the actions I have learned. I hope that the part of the result is the action instead of the number. But I have encountered this problem so I replaced it with a number. I am still a beginner Hope everyone can help me.

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Image Analyst 2020-12-5

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The network called "netTransfer" needs to be in scope. It is not. You need to make sure netTransfer is in the workspace of the function or script where you're calling classify().

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Walter Roberson 2020-12-5

Your GUI will load the network at some point during its initialization. Have your GUI store the network in the handles structure, and use guidata() to update the master copy of the handle structure.

Then inside your function that needs to use the network to classify a sound, then pull the stored network out of the handle structure.

Quoting the relevant guidance from the FAQ, from near the very top of the section pointed to:

The main techniques are:

Using the handles structure. You can dynamically add on new members to the handles structure that contain your variables that you want to pass in. Unlike global variables, which expose the variables only where you put the global statement, attaching to the handles structure and passing handles will share all the variables you have attached to the handles structure. This could expose variables to your function that you did not need or want exposed. Since variables passed in to MATLAB functions are "pass by value" and not "pass by reference" if you change any of the variables, you are only changing the local copy. If you change any of the variables attached as members of the handle structure, and you want to retain these changed values in the calling function, you will have to return the handles structure as an output of your function, and accept it in your calling function, or else use the guidata() function. Otherwise changes you make to the handles structure variables are only local and will not survive once the function has returned.

Image Analyst 2020-12-5

编辑：Image Analyst 2020-12-5

在 MATLAB Online 中打开

When you say "there is no x, y value", are you saying that after the loop, x and y are still empty? If so you need to follow normal, typical debugging steps, like setting a breakpoint on the classify() line and see if scores returns anything or if it is also null. If x and y are null, and either scores is null or you did not execute the call to classify, then they'll be null after the loop also.

Debugging in MATLAB | Doug's MATLAB Video Tutorials

And the for loop you should have this:

for k = 1 : zz
    baseFileName = sprintf('%012d_rendered.png', k);
    fullFileName = fullfile(pwd, baseFileName);
    if ~isfile(fullFileName)
        continue; % No such file exists by this name.
    end
    rgbImage = imread(fullFileName);
    % Needs to be color for AlexNet.
    [rows, columns, numberOfColorChannels] = size(rgbImage);
    if numberOfColorChannels == 1
        % It's gray scale but needs to be color for AlexNet
        rgbImage = cat(3, rgbImage, rgbImage, rgbImage);
    end
    % Needs to be 227x227 for AlexNet, so resize it.
    resizedImage = imresize(rgbImage, [227, 227]);
    [YPred, scores] = classify(handles.netTransfer, resizedImage);
    x = [x; scores(:)];
    y = [y; scored(:)];  % Why are x and y the same??????
end

Dong Yi 2020-12-6

编辑：Dong Yi 2020-12-6

在 MATLAB Online 中打开

function pushbutton3_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton3 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
netTransfer = handles.netTransfer;
zz=659;
x=[];
y=[];
for k = 1 : zz
    baseFileName = sprintf('%012d_rendered.png', k);
    fullFileName = fullfile(pwd,baseFileName);
    if ~isfile(fullFileName)
        continue; % No such file exists by this name.
    end
    rgbImage = imread(fullFileName);
    % Needs to be color for AlexNet.
    [rows, columns, numberOfColorChannels] = size(rgbImage);
    if numberOfColorChannels == 1
        % It's gray scale but needs to be color for AlexNet
        rgbImage = cat(3, rgbImage, rgbImage, rgbImage);
    end
    % Needs to be 227x227 for AlexNet, so resize it.
    resizedImage = imresize(rgbImage, [227, 227]);
    [YPred, scores] = classify(handles.netTransfer, resizedImage);
    x = [x; YPred(:)];
    y = [y; scores(:)];  
end

Dong Yi 2020-12-6

在 MATLAB Online 中打开

function varargout = GUI2(varargin)
% GUI2 MATLAB code for GUI2.fig
%      GUI2, by itself, creates a new GUI2 or raises the existing
%      singleton*.
%
%      H = GUI2 returns the handle to a new GUI2 or the handle to
%      the existing singleton*.
%
%      GUI2('CALLBACK',hObject,eventData,handles,...) calls the local
%      function named CALLBACK in GUI2.M with the given input arguments.
%
%      GUI2('Property','Value',...) creates a new GUI2 or raises the
%      existing singleton*.  Starting from the left, property value pairs are
%      applied to the GUI before GUI2_OpeningFcn gets called.  An
%      unrecognized property name or invalid value makes property application
%      stop.  All inputs are passed to GUI2_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 GUI2
% Last Modified by GUIDE v2.5 05-Dec-2020 17:13:11
% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name',       mfilename, ...
                   'gui_Singleton',  gui_Singleton, ...
                   'gui_OpeningFcn', @GUI2_OpeningFcn, ...
                   'gui_OutputFcn',  @GUI2_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 GUI2 is made visible.
function GUI2_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 GUI2 (see VARARGIN)
% Choose default command line output for GUI2
handles.output = hObject;
% Update handles structure
guidata(hObject, handles);
   
% UIWAIT makes GUI2 wait for user response (see UIRESUME)
% uiwait(handles.figure1);
% --- Outputs from this function are returned to the command line.
   filestruct = load('matlab.mat');
   handles.netTransfer = filestruct.netTransfer;
   guidata(hObject, handles);
function varargout = GUI2_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 pushbutton1.
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)
netTransfer = handles.netTransfer;
xx=1000;
x=[];
y=[];
for ii=1:659
    pic=sprintf('%012d_rendered.png',ii)
    cc = imread(pic);
    d = imresize(cc,[227, 227]);
    [YPred,scores] = classify(netTransfer,d);
    x=[x;YPred];
    
    axes(handles.axes1);
    imshow(cc);
    
    set(handles.text2,'String',ii);
    pause(0.087);
end
% --- Executes on button press in pushbutton2.
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)
% --- Executes on button press in pushbutton3.
function pushbutton3_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton3 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
netTransfer = handles.netTransfer;
zz=659;
x=[];
y=[];
for k = 1 : zz
    baseFileName = sprintf('%012d_rendered.png', k);
    fullFileName = fullfile(pwd,baseFileName);
    if ~isfile(fullFileName)
        continue; % No such file exists by this name.
    end
    rgbImage = imread(fullFileName);
    % Needs to be color for AlexNet.
    [rows, columns, numberOfColorChannels] = size(rgbImage);
    if numberOfColorChannels == 1
        % It's gray scale but needs to be color for AlexNet
        rgbImage = cat(3, rgbImage, rgbImage, rgbImage);
    end
    % Needs to be 227x227 for AlexNet, so resize it.
    resizedImage = imresize(rgbImage, [227, 227]);
    [YPred, scores] = classify(handles.netTransfer, resizedImage);
    x = [x; YPred];
    y = [y; scores(:)];  
end
set(handles.text2,'String','LOAD');

Walter Roberson 2020-12-6

在 MATLAB Online 中打开

function pushbutton3_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton3 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
netTransfer = handles.netTransfer;
zz=659;
x=[];
y=[];
number_loaded = 0;
filenames_used = {};
for k = 1 : zz
    baseFileName = sprintf('%012d_rendered.png', k);
    fullFileName = fullfile(pwd,baseFileName);
    if ~isfile(fullFileName)
        continue; % No such file exists by this name.
    end
    rgbImage = imread(fullFileName);
    number_loaded = number_loaded + 1;
    % Needs to be color for AlexNet.
    [rows, columns, numberOfColorChannels] = size(rgbImage);
    if numberOfColorChannels == 1
        % It's gray scale but needs to be color for AlexNet
        rgbImage = cat(3, rgbImage, rgbImage, rgbImage);
    end
    % Needs to be 227x227 for AlexNet, so resize it.
    resizedImage = imresize(rgbImage, [227, 227]);
    [YPred, scores] = classify(handles.netTransfer, resizedImage);
    x = [x; YPred(:)];
    y = [y; scores(:)];
    filenames_used{number_loaded} = baseFileName;
end
handles.x = x;
handles.y = y;
handles.filenames_used = filenames_used;
guidata(handles);
if number_loaded == 0
    fprintf('No appropriate files found in current directory\n');
else
    fprintf('%d files found in current directory\n', number_loaded)
end

Dong Yi 2020-12-18

编辑：Dong Yi 2020-12-18

在 MATLAB Online 中打开

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)
netTransfer = handles.netTransfer;
zz = 10000;
x = cell(zz, 1);
y = cell(zz, 1);
number_loaded = 0;
filenames_used = cell(zz,1);
for k = 1 : zz
    baseFileName = sprintf('%012d_rendered.png', k);
    fullFileName = fullfile(pwd,baseFileName);
    if ~isfile(fullFileName)
        continue; % No such file exists by this name.
    end
    rgbImage = imread(fullFileName);
    number_loaded = number_loaded + 1;
    % Needs to be color for AlexNet.
    [~, ~, numberOfColorChannels] = size(rgbImage);
    if numberOfColorChannels == 1
        % It's gray scale but needs to be color for AlexNet
        rgbImage = cat(3, rgbImage, rgbImage, rgbImage);
    end
    % Needs to be 227x227 for AlexNet, so resize it.
    resizedImage = imresize(rgbImage, [227, 227]);
    [YPred, scores] = classify(netTransfer, resizedImage);
    x{k} = YPred(:);
    y{k} = scores(:);
    filenames_used{number_loaded} = baseFileName;
end
    filenames_used(number_loaded+1:end) = [];
    x = vertcat(x{1:number_loaded});
    y = vertcat(y{1:number_loaded});
    
    handles.x = x;
    handles.y = y;
    handles.filenames_used = filenames_used;
    guidata(hObject, handles);
    
    assignin('base', 'x', x);
    assignin('base', 'y', y);
    assignin('base', 'all_YPred', x);
    assignin('base', 'filenames_used', filenames_used);
    
if number_loaded == 0
    fprintf('No appropriate files found in current directory\n');
else
    fprintf('%d files found in current directory\n', number_loaded)
    set(handles.pushbutton1, 'enable', 'on')
end
ax = handles.axes1;
filenames = handles.filenames_used;
predictions = handles.x;
xx = length(filenames);
for ii=1:xx
    pic = filenames{ii};
    if ~exist(pic, 'file'); continue; end
    
    cc = imread(pic);
    imshow(cc, 'Parent', ax);
    
    set(handles.text2,'String', string(predictions(ii)));
    set(handles.text3,'String', ii);
    pause(0.087);
end

I have tried a lot of sorting but the result is not real-time. If it is executed when openpose takes 100 pictures, he will only read 100 pictures, but my openpose is continuously outputting. How do I let him? Display one after reading one?

It has troubled me for a long time.

Image Analyst 2020-12-18

No, we discussed this before. It's because you said predictions(k) is a categorical, and evidently a categorical can't be converted to a string. Maybe use a switch statement to check predictions(k) and assign the proper string by hard coding it in.

After 90 comments, I'm about reaching my limit. Like I said before can you call tech support? You said you could/would. Trust me, they have people there who can speak English, Chinese, Hindi, and lots of other languages, even if you call the USA office in Natick. I'm sure you'll be able to communicate with them in your native language.

Walter Roberson 2020-12-19

在 MATLAB Online 中打开

You have

x = vertcat(x{k});

but you

predictions = handles.x;

and you had not updated handles.x between those two. So you are not using the most recently calculated predictions; you are using whatever happened to be in handles.x .

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