How to make my coding of canny edge detection into GUI?

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NURUL AMIRA MHD RIZAL 2018-5-6

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https://ww2.mathworks.cn/matlabcentral/answers/399362-how-to-make-my-coding-of-canny-edge-detection-into-gui

评论： NURUL AMIRA MHD RIZAL 2018-5-7

I have this code for edge detection. How can I make it into GUI? where it have buttons to select 'Canny edge detection'.

I = imread('ddd.jpg');
Igray = rgb2gray(I);
BW = edge(Igray,'canny');
imshow(BW)

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Answer 1

sloppydisk 2018-5-6

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/399362-how-to-make-my-coding-of-canny-edge-detection-into-gui#answer_318942

在 MATLAB Online 中打开

Use the uicontrol function, see

doc control

For your example:

global I
global BW
I = imread('ddd.jpg');
Igray = rgb2gray(I);
BW = edge(Igray,'canny');
figure(1)
uicontrol('Style', 'Checkbox',...
    'Callback', @canny,...
    'String', 'Edge detection'...)
    ,'Position', [20 20 100 20]...
    )
imshow(I)
function canny(src, event)
global I
global BW
if src.Value
    imshow(BW)
else 
    imshow(I)
end
end