How to find the bounding box around the tip of needle

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prashant singh le 27 Août 2017

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https://fr.mathworks.com/matlabcentral/answers/354227-how-to-find-the-bounding-box-around-the-tip-of-needle

Clôturé : John D'Errico le 27 Août 2017

I have image set of a needle. I am posting two images as an example. I want to find the tip of the needle and draw a bounding box around it. The needle tip keeps on growing and I want to know how can I draw continuous bounding box around the tip in each images.