中值，均值，高斯滤波MATLAB处理，含GUI界面

好的，针对您的问题，我可以为您提供一些MATLAB代码。下面是一个简单的GUI界面，可以选择要处理的图像，选择滤波器类型（中值、均值或高斯滤波），以及设置滤波器大小。

function median_mean_gaussian_filter_GUI
% Create a GUI for median, mean and Gaussian filtering of images

% Create the figure
fig = figure('MenuBar','none','ToolBar','none','Position',[500,500,400,250],'Name','Image Filtering GUI');

% Create the axes for displaying the image
ax = axes('Units','pixels','Position',[20,70,180,160]);

% Create the buttons for selecting the image and applying the filter
uicontrol(fig,'Style','pushbutton','String','Select Image','Position',[30,20,80,30],'Callback',@select_image_callback);
uicontrol(fig,'Style','pushbutton','String','Apply Filter','Position',[130,20,80,30],'Callback',@apply_filter_callback);

% Create the popup menu for selecting the filter type
uicontrol(fig,'Style','text','String','Filter Type:','Position',[220,150,80,20],'HorizontalAlignment','left');
filter_popup = uicontrol(fig,'Style','popupmenu','String',{'Median Filter','Mean Filter','Gaussian Filter'},'Position',[300,150,80,20]);

% Create the slider for selecting the filter size
uicontrol(fig,'Style','text','String','Filter Size:','Position',[220,100,80,20],'HorizontalAlignment','left');
filter_size_slider = uicontrol(fig,'Style','slider','Min',3,'Max',21,'Value',3,'Position',[300,100,80,20],'SliderStep',[0.05,0.1],'Callback',@slider_callback);

% Initialize the filter size label
filter_size_label = uicontrol(fig,'Style','text','String','3','Position',[380,100,20,20],'HorizontalAlignment','left');

% Callback function for the select image button
    function select_image_callback(~,~)
        % Prompt the user to select an image
        [filename,pathname] = uigetfile({'*.jpg;*.png;*.bmp','Image Files'},'Select an Image');
        % Display the selected image in the axes
        if isequal(filename,0) || isequal(pathname,0)
            return;
        end
        img = imread(fullfile(pathname,filename));
        imshow(img,'Parent',ax);
    end

% Callback function for the apply filter button
    function apply_filter_callback(~,~)
        % Get the selected filter type and size
        filter_type = filter_popup.Value;
        filter_size = round(filter_size_slider.Value);
        % Get the image from the axes
        img = getimage(ax);
        % Apply the selected filter to the image
        switch filter_type
            case 1 % Median Filter
                img_filtered = medfilt2(img,[filter_size,filter_size]);
            case 2 % Mean Filter
                img_filtered = imfilter(img,fspecial('average',[filter_size,filter_size]));
            case 3 % Gaussian Filter
                img_filtered = imgaussfilt(img,filter_size/3);
        end
        % Display the filtered image in the axes
        imshow(img_filtered,'Parent',ax);
    end

% Callback function for the filter size slider
    function slider_callback(~,~)
        % Update the filter size label
        filter_size_label.String = num2str(round(filter_size_slider.Value));
    end

end

您可以将代码复制到MATLAB编辑器中，并保存为 `median_mean_gaussian_filter_GUI.m` 文件。然后，运行该文件，即可打开GUI界面，选择要处理的图像，选择滤波器类型和大小，并应用所选的滤波器。

希望这可以帮助到您！