'**SUMMARY**
This function crops the source image to the location of the feature and returns
a new SimpleCV image.
**RETURNS**
A SimpleCV image that is cropped to the feature position and size.
**EXAMPLE**
>>> img = Image("OWS.jpg")
>>> blobs = img.findBlobs(128)
>>> big = blobs[-1].crop()
>>> big.show()'

def crop(self):

    return self.image.crop(self.x, self.y, self.width(), self.height(), centered=True)
