Drawing rectangles around binary image objects from region props

Hi, from the binary image above, I’ve tried drawing boundaries around the object and successfully counted them. But I’m thinking of trying another method which is to use the regionprops to extract information of the location of the blobs. But I do not know how to draw a rectangle around them.

info = regionprops(img2,'Boundingbox')

By using this command, the command windows shows

4×1 struct array with fields:

BoundingBox

Which from what I guess is the total of bounding boxes it found from the image similar to the boundary way that I used. Can I use this information and draw a rectangle for the images and and display it in my source image?

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info = regionprops(img2,'Boundingbox') ;

imshow(img2)
hold on
for k = 1 : length(info)
     BB = info(k).BoundingBox;
     rectangle('Position', [BB(1),BB(2),BB(3),BB(4)],'EdgeColor','r','LineWidth',2) ;
end

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Drawing rectangles around binary image objects from region props

Drawing rectangles around binary image objects from region props