Using python function in matlab

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I'm trying to call the following opencv function on matlab

so I did the following:

img, background = py.cv2_rolling_ball.subtract_background_rolling_ball(hardsperm, 30,pyargs('light_background','True'), pyargs('use_paraboloid', 'False'),pyargs('do_presmooth','True');

but apparently there's some syntatic errors in my code and matlab wouldn't recognize the function call. Could someone point me in the right direction on what I should change to make it work?

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Answer 1

Rohit Pappu 2020-11-25

在 MATLAB Online 中打开

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The closing ) is missing in the above code. The correct code would be

img, background = py.cv2_rolling_ball.subtract_background_rolling_ball(hardsperm, 30,pyargs('light_background','True'), pyargs('use_paraboloid', 'False'),pyargs('do_presmooth','True'));

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Finley Li 2020-12-4

编辑：Finley Li 2020-12-4

在 MATLAB Online 中打开

So I spotted some error in my code and change it accordingly. My code now reads:

[img,background] = py.cv2_rolling_ball.subtract_background_rolling_ball(img, 30,pyargs('light_background','True'), pyargs('use_paraboloid', 'False'),pyargs('do_presmooth','True'));

But now the program is giving me a different error:

No method 'py.cv2_rolling_ball.subtract_background_rolling_ball' with matching signature found.

I'm pretty sure the method exists in the python opencv library (check out the link in the main discussion). I ran it using python and it works well on the image. So I'm not sure if I called it wrong in matlab or anything. Could someone help? Thanks!

晓榆潘 2024-4-24

I have the same problem. Have you solved it?

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Using python function in matlab

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