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how to detect whether tube is present of not??

Hello,

I want to detect that tube is in frame of not. currently I am using canny edge detection, but problem is how can i set edge for tube. So, I can get information that tube is there or not. as shown in picture, there is tube and its edge can be easily identified

Is there any suggestions ?? please guide me!! Thank you very much in advance.

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how to detect whether tube is present of not??

Hello,

I want to detect that tube is in frame of not. currently I am using canny edge detection, but problem is how can i set edge for tube. So, I can get information that tube is there or not. as shown in picture, there is tube and its edge can be easily identified

Is there any suggestions ?? please guide me!! Thank you very much in advance.