用matlab app实现观察应力双折射小工具 ```matlab
classdef stressbri_matlab < matlab.apps.AppBase
% Properties that correspond to app components
properties (Access = public)
UIFigure matlab.ui.Figure
college_logo matlab.ui.control.Image
TextArea matlab.ui.control.TextArea
BottomColorButtonGroup matlab.ui.container.ButtonGroup
restartButton matlab.ui.control.Button
choosebottomimagefileButton matlab.ui.control.Button
removethebottomcolorButton matlab.ui.control.Button
GrayButtonGroup matlab.ui.container.ButtonGroup
histogramButton matlab.ui.control.Button
function1Button matlab.ui.control.Button
original_grayButton matlab.ui.control.Button
ContrastButtonGroup matlab.ui.container.ButtonGroup
medianfilterDropDown matlab.ui.control.DropDown
medianfilterDropDownLabel matlab.ui.control.Label
edgesharpenButton matlab.ui.control.Button
original_contrastButton matlab.ui.control.Button
SaveButtonGroup matlab.ui.container.ButtonGroup
save_imageButton matlab.ui.control.Button
save_image_matrixButton matlab.ui.control.Button
chooseimagefileButton matlab.ui.control.Button
Background_Image matlab.ui.control.Image
end
properties (Access = public)
image_path
image_name
image_bottom_name
image_bottom_path
image_origin% 原始的图片
image_bottom% 原始的底片
is_subtract = 0% 确保实现了图像相减
image_subtract% 储存减去原背景的图片
Length% 定义所选图片的长
Height% 定义所选图片的高
image_save% 要保存的图片
image_matrix_save% 要保存的图片的矩阵形式
end
% Callbacks that handle component events
methods (Access = private)
% Code that executes after component creation
function startupFcn(app)
clc;close all;
app.UIFigure.Name = "应力双折射实验";
app.UIFigure.Resize = 'off';%确保窗口不会被放大
% app.ensure_twoimage_samesize.Enable = 'off';% 确保静态文本
app.removethebottomcolorButton.Enable = 'off';
% app.wrong_save_matrix.Enable = 'off';
% app.OKButton.Enable = 'off';
app.SaveButtonGroup.Enable = 'off';
app.ContrastButtonGroup.Enable = 'off';
app.GrayButtonGroup.Enable = 'off';
app.choosebottomimagefileButton.Enable = 'off';
app.restartButton.Enable = 'off';
% app.SaveButtonGroup.Enable = 'off';
% set(app.SaveButtonGroup, 'AlphaData', 8);
% alpha(app.BottomColorButtonGroup, 0.2);
end
% Button pushed function: chooseimagefileButton
function chooseimagefileButtonPushed(app, event)
[app.image_name, app.image_path] = uigetfile();
if (ischar(app.image_name) == 0)||(ischar(app.image_path) == 0)
disp('no file');
return;
end
% image_file_path = [app.image_path app.image_name];
% disp(image_file_path);
IMG_path_1 = app.image_path;
% 去除上级路径中最右边的"\"
IMG_path = strip(IMG_path_1, "right", "\");
% disp(IMG_path);
cd (IMG_path);
IMG_name = app.image_name;
app.image_origin = imread(IMG_name);
app.ContrastButtonGroup.Enable = 'on';
app.GrayButtonGroup.Enable = 'on';
app.choosebottomimagefileButton.Enable = 'on';
%读取所选取向的长宽高
[app.Height, app.Length, P] = size(app.image_origin);
% 先高后长！
% disp(app.Length);
% 其中P是RGB图像中的3层！
end
% Button pushed function: removethebottomcolorButton
function removethebottomcolorButtonPushed(app, event)
% push only when the bottom color infect the result!
IMG_path_1 = app.image_path;
IMG_path = strip(IMG_path_1, "right", "\");
cd (IMG_path);
IMG_name = app.image_name;
app.image_origin = imread(IMG_name);
IMG_bottom_path_1 = app.image_bottom_path;
IMG_bottom_path = strip(IMG_bottom_path_1, "right", "\");
cd (IMG_bottom_path);
IMG_bottom_name = app.image_bottom_name;
app.image_bottom = imread(IMG_bottom_name);
if size(app.image_origin) ~= size(app.image_bottom)
error('两张图片的尺寸不一样，无法相减！')
end
% A = im2double(app.image_origin);
A = app.image_origin;
% 判断是否是由UI界面选取背景颜色图片
% B = im2double(app.image_bottom);
B = app.image_bottom;
% app.image_subtract = imsubtract(A, B);
% BB = size(B);AA = size(A);
% disp(BB);disp(AA);
% !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
% !!!!!!!!这里出错代表背景图片没有被正确缩小或放大！
gray_img1 = rgb2gray(A);
gray_img2 = rgb2gray(B);
hhh = app.Height;
lll = app.Length;
img1=imresize(gray_img1,[hhh,lll]);
img2=imresize(gray_img2,[hhh,lll]);
aaaa = imsubtract(img1, img2);
colorImage = ind2rgb(aaaa, jet(256));
% aaaa(aaaa < 0) = 0;
figure(2);imshow(colorImage);
app.image_subtract = colorImage;
app.removethebottomcolorButton.Enable = 'on';
app.is_subtract = 1;
end
% Button pushed function: choosebottomimagefileButton
function choosebottomimagefileButtonPushed(app, event)
[app.image_bottom_name, app.image_bottom_path] = uigetfile();
% disp(app.image_bottom_path);
% disp(app.image_bottom_name);
if (ischar(app.image_bottom_name) == 0)||(ischar(app.image_bottom_path) == 0)
disp('no file');
app.restartButton.Enable = 'on';
return;
end
% image_bottom_file_path = [app.image_bottom_path app.image_bottom_name];
% disp(image_bottom_file_path);
app.removethebottomcolorButton.Enable = 'on';
IMG_path_1 = app.image_bottom_path;
IMG_path = strip(IMG_path_1, "right", "\");
cd (IMG_path);
IMG_bottom_name = app.image_bottom_name;
% app.image_bottom = imread(IMG_bottom_name);
a_image = imread(IMG_bottom_name);
% 裁剪所选择的默认颜色图片
app.image_bottom = imcrop(a_image, [0, 0, app.Length, app.Height]);
AA = size(app.image_bottom);
BB = size(app.image_origin);
disp(AA);disp(BB);
app.choosebottomimagefileButton.Enable = 'off';
app.restartButton.Enable = 'on';
%按比例缩小所选背景颜色图片
% HH = app.Height;
% LL = app.Length;
% app.image_bottom = imresize(a_image, [HH LL]);
% figure(2);
% imshow(app.image_bottom);
end
% Value changed function: medianfilterDropDown
function medianfilterDropDownValueChanged(app, event)
value = app.medianfilterDropDown.Value;
% 这里不显示图片的原因是imshow()语句显示的都是相减后（及处理后）的图片
if app.is_subtract
f2 = im2bw(app.image_subtract);
else
f2 = im2bw(app.image_origin);
end
IMG_path_1 = app.image_path;
% 去除上级路径中最右边的"\"
IMG_path = strip(IMG_path_1, "right", "\");
% disp(IMG_path);
cd (IMG_path);
IMG_name = app.image_name;
app.image_origin = imread(IMG_name);
switch value
case '3x3'
figure(1);
subplot(1,2,1);
if app.is_subtract
imshow(app.image_subtract);
else
imshow(app.image_origin);
end
title('原始图','FontSize',16,'Color','b');
subplot(1,2,2);
K1 = medfilt2(f2, [3 3]);
imshow(K1);
title('3x3中值滤波对比度图','FontSize',16,'Color','b');
app.image_save = figure(1);
app.image_matrix_save = K1;
app.SaveButtonGroup.Enable = 'on';
case '5x5'
figure(1);
subplot(1,2,1);
if app.is_subtract
imshow(app.image_subtract);
else
imshow(app.image_origin);
end
title('原始图','FontSize',16,'Color','b');
subplot(1,2,2);
K1 = medfilt2(f2, [5 5]);
imshow(K1);
title('5x5中值滤波对比度图','FontSize',16,'Color','b');
app.image_save = figure(1);
app.image_matrix_save = K1;
app.SaveButtonGroup.Enable = 'on';
case '7x7'
figure(1);
subplot(1,2,1);
if app.is_subtract
imshow(app.image_subtract);
else
imshow(app.image_origin);
end
title('原始图','FontSize',16,'Color','b');
subplot(1,2,2);
K1 = medfilt2(f2, [7 7]);
imshow(K1);
title('7x7中值滤波对比度图','FontSize',16,'Color','b');
app.image_save = figure(1);
app.image_matrix_save = K1;
app.SaveButtonGroup.Enable = 'on';
end
end
% Button pushed function: edgesharpenButton
function edgesharpenButtonPushed(app, event)
figure(1);
subplot(1,2,1);
if app.is_subtract
imshow(app.image_subtract);
else
imshow(app.image_origin);
end
title('原始图','FontSize',18,'Color','b');
subplot(1,2,2);
if app.is_subtract
f2 = im2bw(app.image_subtract);
else
f2 = im2bw(app.image_origin);
end
w4 = fspecial('laplacian',0);
g4 = imfilter(f2, w4, 'replicate');
G4 = f2 - g4;
imshow(G4);
title('边缘锐化对比度图','FontSize',18,'Color','b');
app.image_save = figure(1);
app.image_matrix_save = G4;
app.SaveButtonGroup.Enable = 'on';
end
% Button pushed function: original_contrastButton
function original_contrastButtonPushed(app, event)
figure(1);
subplot(1,2,1);
if app.is_subtract
imshow(app.image_subtract);
else
imshow(app.image_origin);
end
title('原始图','FontSize',18,'Color','b');
subplot(1,2,2);
if app.is_subtract
original_contrast = im2bw(app.image_subtract);
else
original_contrast = im2bw(app.image_origin);
end
imshow(original_contrast);
title('原始对比度图','FontSize',18,'Color','b');
app.image_save = figure(1);
app.image_matrix_save = original_contrast;
app.SaveButtonGroup.Enable = 'on';
end
% Button pushed function: function1Button
function function1ButtonPushed(app, event)
Img = app.image_origin;
% if app.is_subtract
% % Img = cat(3, app.image_subtract, [], []);
% Img = app.image_origin;
% else
% Img = app.image_origin;
% end
if length(size(Img))>2
Img=rgb2gray(Img);
end
[height,width]=size(Img);
[counts1, x] = imhist(Img,256);
counts2 = counts1/height/width;
figure(1);
subplot(2,2,1),
imshow(Img);title('原始灰度图像');
subplot(2,2,2),
stem(x, counts2); title('原始灰度图像直方图');
NumPixel = zeros(1,256);
for i = 1:height
for j = 1: width
NumPixel(Img(i,j) + 1) = NumPixel(Img(i,j) + 1) + 1;
end
end
ProbPixel = zeros(1,256);
for i = 1:256
ProbPixel(i) = NumPixel(i) / (height * width * 1.0);
end
CumuPixel = cumsum(ProbPixel);
CumuPixel = uint8(255 .* CumuPixel + 0.5);
for i = 1:height
for j = 1: width
Img(i,j) = CumuPixel(Img(i,j)+1);
end
end
% figure(2),
subplot(2,2,3),
imshow(Img); title('直方图均衡化灰度图像');
[counts1, x] = imhist(Img,256);
counts2 = counts1/height/width;
subplot(2,2,4),
stem(x, counts2); title('直方图均衡化后灰度图像的直方图');
app.image_save = figure(1);
app.image_matrix_save = Img;
app.SaveButtonGroup.Enable = 'on';
end
% Button pushed function: histogramButton
function histogramButtonPushed(app, event)
figure(1);
subplot(1,2,1);
if app.is_subtract
imshow(app.image_subtract);
else
imshow(app.image_origin);
end
title('原始图','FontSize',16,'Color','b');
subplot(1,2,2);
if app.is_subtract
K1 = rgb2gray(app.image_subtract);
else
K1 = rgb2gray(app.image_origin);
end
imhist(K1);
% K2 = imhist(K1);
% bar(K2);
title('原始灰度直方图','FontSize',16,'Color','b');
app.image_save = figure(1);
app.image_matrix_save = K1;
app.SaveButtonGroup.Enable = 'on';
end
% Button pushed function: save_image_matrixButton
function save_image_matrixButtonPushed(app, event)
IMG_gray = app.image_matrix_save;
Image_matrix = mat2gray(IMG_gray);
% uiputfile('*.mat','Image_matrix');
[matrix_name] = uiputfile("*.mat");
% matrix_path_1 = ;
% matrix_path = strip(matrix_path_1, "right", "\");
% cd (matrix_path);
save(matrix_name, "Image_matrix");
end
% Button pushed function: save_imageButton
function save_imageButtonPushed(app, event)
imsave(app.image_save);
end
% Button pushed function: original_grayButton
function original_grayButtonPushed(app, event)
figure(1);
subplot(1,2,1);
if app.is_subtract
imshow(app.image_subtract);
else
imshow(app.image_origin);
end
title('原始图','FontSize',16,'Color','b');
subplot(1,2,2);
if app.is_subtract
K1 = rgb2gray(app.image_subtract);
else
K1 = rgb2gray(app.image_origin);
end
imshow(K1);
title('原始灰度图','FontSize',16,'Color','b');
app.image_matrix_save = K1;
app.image_save = figure(1);
app.SaveButtonGroup.Enable = 'on';
end
% Button pushed function: restartButton
function restartButtonPushed(app, event)
app.image_subtract = app.image_origin;
app.choosebottomimagefileButton.Enable = 'on';
end
end
% Component initialization
methods (Access = private)
% Create UIFigure and components
function createComponents(app)
% Get the file path for locating images
pathToMLAPP = fileparts(mfilename('fullpath'));
% Create UIFigure and hide until all components are created
app.UIFigure = uifigure('Visible', 'off');
app.UIFigure.Position = [100 100 726 409];
app.UIFigure.Name = 'MATLAB App';
% Create Background_Image
app.Background_Image = uiimage(app.UIFigure);
app.Background_Image.Position = [-92 -2 914 412];
app.Background_Image.ImageSource = fullfile(pathToMLAPP, 'BG_pic.png');
% Create chooseimagefileButton
app.chooseimagefileButton = uibutton(app.UIFigure, 'push');
app.chooseimagefileButton.ButtonPushedFcn = createCallbackFcn(app, @chooseimagefileButtonPushed, true);
app.chooseimagefileButton.BackgroundColor = [1 1 0];
app.chooseimagefileButton.FontSize = 16;
app.chooseimagefileButton.Position = [306 276 140 28];
app.chooseimagefileButton.Text = 'choose image file';
% Create SaveButtonGroup
app.SaveButtonGroup = uibuttongroup(app.UIFigure);
app.SaveButtonGroup.TitlePosition = 'centertop';
app.SaveButtonGroup.Title = 'Save';
app.SaveButtonGroup.FontSize = 16;
app.SaveButtonGroup.Position = [578 106 141 117];
% Create save_image_matrixButton
app.save_image_matrixButton = uibutton(app.SaveButtonGroup, 'push');
app.save_image_matrixButton.ButtonPushedFcn = createCallbackFcn(app, @save_image_matrixButtonPushed, true);
app.save_image_matrixButton.FontSize = 14;
app.save_image_matrixButton.Position = [21 55 100 25];
app.save_image_matrixButton.Text = 'save matrix';
% Create save_imageButton
app.save_imageButton = uibutton(app.SaveButtonGroup, 'push');
app.save_imageButton.ButtonPushedFcn = createCallbackFcn(app, @save_imageButtonPushed, true);
app.save_imageButton.FontSize = 14;
app.save_imageButton.Position = [10 14 120 25];
app.save_imageButton.Text = 'save fixed image';
% Create ContrastButtonGroup
app.ContrastButtonGroup = uibuttongroup(app.UIFigure);
app.ContrastButtonGroup.TitlePosition = 'centertop';
app.ContrastButtonGroup.Title = 'Contrast';
app.ContrastButtonGroup.FontSize = 16;
app.ContrastButtonGroup.Position = [204 78 182 171];
% Create original_contrastButton
app.original_contrastButton = uibutton(app.ContrastButtonGroup, 'push');
app.original_contrastButton.ButtonPushedFcn = createCallbackFcn(app, @original_contrastButtonPushed, true);
app.original_contrastButton.FontSize = 14;
app.original_contrastButton.Position = [41 108 100 25];
app.original_contrastButton.Text = 'original';
% Create edgesharpenButton
app.edgesharpenButton = uibutton(app.ContrastButtonGroup, 'push');
app.edgesharpenButton.ButtonPushedFcn = createCallbackFcn(app, @edgesharpenButtonPushed, true);
app.edgesharpenButton.FontSize = 14;
app.edgesharpenButton.Position = [41 67 101 25];
app.edgesharpenButton.Text = 'edge sharpen';
% Create medianfilterDropDownLabel
app.medianfilterDropDownLabel = uilabel(app.ContrastButtonGroup);
app.medianfilterDropDownLabel.HorizontalAlignment = 'right';
app.medianfilterDropDownLabel.FontSize = 14;
app.medianfilterDropDownLabel.Position = [10 26 81 22];
app.medianfilterDropDownLabel.Text = 'median filter';
% Create medianfilterDropDown
app.medianfilterDropDown = uidropdown(app.ContrastButtonGroup);
app.medianfilterDropDown.Items = {' ', '3x3', '5x5', '7x7'};
app.medianfilterDropDown.ValueChangedFcn = createCallbackFcn(app, @medianfilterDropDownValueChanged, true);
app.medianfilterDropDown.FontSize = 14;
app.medianfilterDropDown.Position = [102 26 71 22];
app.medianfilterDropDown.Value = ' ';
% Create GrayButtonGroup
app.GrayButtonGroup = uibuttongroup(app.UIFigure);
app.GrayButtonGroup.TitlePosition = 'centertop';
app.GrayButtonGroup.Title = 'Gray';
app.GrayButtonGroup.FontSize = 16;
app.GrayButtonGroup.Position = [385 78 182 171];
% Create original_grayButton
app.original_grayButton = uibutton(app.GrayButtonGroup, 'push');
app.original_grayButton.ButtonPushedFcn = createCallbackFcn(app, @original_grayButtonPushed, true);
app.original_grayButton.FontSize = 14;
app.original_grayButton.Position = [41 108 100 25];
app.original_grayButton.Text = 'original';
% Create function1Button
app.function1Button = uibutton(app.GrayButtonGroup, 'push');
app.function1Button.ButtonPushedFcn = createCallbackFcn(app, @function1ButtonPushed, true);
app.function1Button.FontSize = 14;
app.function1Button.Position = [41 26 100 25];
app.function1Button.Text = 'function1';
% Create histogramButton
app.histogramButton = uibutton(app.GrayButtonGroup, 'push');
app.histogramButton.ButtonPushedFcn = createCallbackFcn(app, @histogramButtonPushed, true);
app.histogramButton.FontSize = 14;
app.histogramButton.Position = [41 67 100 25];
app.histogramButton.Text = 'histogram';
% Create BottomColorButtonGroup
app.BottomColorButtonGroup = uibuttongroup(app.UIFigure);
app.BottomColorButtonGroup.TitlePosition = 'centertop';
app.BottomColorButtonGroup.Title = 'Bottom Color';
app.BottomColorButtonGroup.FontSize = 16;
app.BottomColorButtonGroup.Position = [10 86 182 154];
% Create removethebottomcolorButton
app.removethebottomcolorButton = uibutton(app.BottomColorButtonGroup, 'push');
app.removethebottomcolorButton.ButtonPushedFcn = createCallbackFcn(app, @removethebottomcolorButtonPushed, true);
app.removethebottomcolorButton.FontSize = 14;
app.removethebottomcolorButton.Position = [4 51 173 25];
app.removethebottomcolorButton.Text = 'remove the bottom color';
% Create choosebottomimagefileButton
app.choosebottomimagefileButton = uibutton(app.BottomColorButtonGroup, 'push');
app.choosebottomimagefileButton.ButtonPushedFcn = createCallbackFcn(app, @choosebottomimagefileButtonPushed, true);
app.choosebottomimagefileButton.FontSize = 14;
app.choosebottomimagefileButton.Position = [6 92 171 25];
app.choosebottomimagefileButton.Text = 'choose bottom image file';
% Create restartButton
app.restartButton = uibutton(app.BottomColorButtonGroup, 'push');
app.restartButton.ButtonPushedFcn = createCallbackFcn(app, @restartButtonPushed, true);
app.restartButton.FontSize = 14;
app.restartButton.Position = [40 12 106 25];
app.restartButton.Text = 'restart';
% Create TextArea
app.TextArea = uitextarea(app.UIFigure);
app.TextArea.Editable = 'off';
app.TextArea.HorizontalAlignment = 'center';
app.TextArea.FontSize = 24;
app.TextArea.FontWeight = 'bold';
app.TextArea.Position = [123 333 485 41];
app.TextArea.Value = {'观测应力双折射实验图像处理工具'};
% Create college_logo
app.college_logo = uiimage(app.UIFigure);
app.college_logo.Position = [-33 239 280 113];
app.college_logo.ImageSource = fullfile(pathToMLAPP, 'skd2.png');
% Show the figure after all components are created
app.UIFigure.Visible = 'on';
end
end
% App creation and deletion
methods (Access = public)
% Construct app
function app = stressbri_matlab
% Create UIFigure and components
createComponents(app)
% Register the app with App Designer
registerApp(app, app.UIFigure)
% Execute the startup function
runStartupFcn(app, @startupFcn)
if nargout == 0
clear app
end
end
% Code that executes before app deletion
function delete(app)
% Delete UIFigure when app is deleted
delete(app.UIFigure)
end
end
end
