Drawing rectangles around binary image objects from region props
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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:
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?
KSSV 2018 年 7 月 12 日
info = regionprops(img2,'Boundingbox') ;
for k = 1 : length(info)
BB = info(k).BoundingBox;
rectangle('Position', [BB(1),BB(2),BB(3),BB(4)],'EdgeColor','r','LineWidth',2) ;