How can I extract only large connected region with eliminating unwanted lines in the segmented binary image?

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Bhaskar R
Bhaskar R 2019-4-25
评论： Bhaskar R 2019-4-30
I have done segmentation operation on MRI image, in the last step i got required region with unwated lines/region. Out of that I need the
image with large connected part with unwanted line. I followed different morphological operations dilating, closing, erosion, bwareafilt methods
to achieve large connected tumour part but all are in vain.
Image is attached
-Thanks

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KALYAN ACHARJYA
KALYAN ACHARJYA 2019-4-25
编辑：KALYAN ACHARJYA 2019-4-25
How can I extract only large connected region ?
largestBlob=bwareafilt(segmented_image, 1);
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Bhaskar R
Bhaskar R 2019-4-30
Thanks for the prompt responce. I already applied bwareafilt with diffent ranges but non of them fruitful, for the range 1 i got only one curve out of whole tumer, it should be closed curve large connected curve with no srrounding small lines

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