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How to characterise and measure these black regions in a frame?

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Dario Cortese
Dario Cortese 2019 年 9 月 17 日
回答済み: Hari Krishna Ravuri 2019 年 12 月 3 日
I would like to identify and characterise the two elongated black regions and their boundaries in this frame. I have tried with edge but I lose the boundaries.
The image has already been processed (background removal and im2bw).
What's the best way to go about this?
im2.PNG

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Hari Krishna Ravuri
Hari Krishna Ravuri 2019 年 12 月 3 日
I understand that, you are trying to identify the two elongated black regions and their boundaries. You may consider using Image Segmenter App for this. Please refer https://in.mathworks.com/help/images/image-segmentation-using-the-image-segmenter-app.html for more information regarding the Image Segmenter App.
I selected roi and used Active Contours to get the elongated black regions. You may get the desired regions by setting the number of iterations for Active Contours.Please find the attachment

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