Actually I wanted to measure length of a rod shaped structure from a video. In image it is able to find out the contour and I am able to draw it but while stared video I am unable to get the contour and followed by unable to draw rectangle around the contour. I am trying to do the above work with similar type of video as in link https://www.youtube.com/watch?v=vmBkxJELkl4 Please help me or if possible please share your email ID I will drop an email with more details.
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