crop image to another by roi

hi , i found the bounding boxes of shapes now i want to copy it to new image can i do it with imroi ?

[Michael scheinfeild]

is any other way than

blobsImg(bx(2):bx(2)+bx(4),bx(1):bx(1)+bx(3))=imcrop(imgBp, bx);

Answer 1

[Image Analyst]

See attached demos.