A method for identifying images of wells in an image of a well-bearing object such as multiwell plates or picowell carriers is provided. An observation component, such as a camera, is used to approach focus of a focal point of a well-bottom. An image of the focal point is acquired. The image of the well-bottom...http://www.google.ca/patents/US7403647?utm_source=gb-gplus-sharePatent US7403647 - Method for identifying an image of a well in an image of a well-bearing component