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regarding use of camera of laptop when asked?

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gaurav porwal
gaurav porwal 2012-8-30
关闭： MATLAB Answer Bot 2021-8-20
vid=videoinput('winvideo',1,'YUY2_640x480');
set(vid,'ReturnedColorSpace','rgb');
preview(vid)
start(vid);
im=getdata(vid,1);
figure,imshow(im)
imwrite(im,'xyz3.jpg')
i want to use a if statement in which i will be asked to open camera for capturing image and to save it to a particular place, and if not camera will not be opened, with a statement of sorry

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回答（2 个）

Rolfe Dlugy-Hegwer
Rolfe Dlugy-Hegwer 2012-8-30
Good question, Guarav. It sounds like you want to combine MATLAB's input function with manual triggering in Image Aquisition Toolbox.
Sean de Wolski
Sean de Wolski 2012-8-30
How about using a questdlg to ask the user?
button = questdlg('Would you like to open the camera?','Camera Control','Yes!','No','No')

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