regarding use of camera of laptop when asked?

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

Answer 1

[Rolfe Dlugy-Hegwer]

Good question, Guarav. It sounds like you want to combine MATLAB's input function with manual triggering in Image Aquisition Toolbox.

Answer 2

[Sean de Wolski]

How about using a questdlg to ask the user?

button = questdlg('Would you like to open the camera?','Camera Control','Yes!','No','No')

[Rolfe Dlugy-Hegwer]

Even better. questdlg