'**SUMMARY**
This method returns the bottom left corner of each feature\'s bounding box.
**RETURNS**
A numpy array of x,y position values.
**EXAMPLE**
>>> img = Image("./sampleimages/EdgeTest1.png")
>>> blobs = img.findBlobs()
>>> bl = img.bottomLeftCorners()
>>> print bl[0]'

def bottomLeftCorners(self):

    return np.array([f.bottomLeftCorner() for f in self])
