1. A method of evaluating an object disposed on an upper surface of an object holder, the method comprising: acquiring at least one first frame representing a captured portion of the object, while the object holder is positioned at each of a plurality of locations, wherein the object is disposed on the upper surface of the object holder; acquiring at least one second frame representing a captured portion of at least one other surface of the object holder while the object holder is positioned at each of the plurality of locations; and determining at least one spatial characteristic associated with the captured portion of the object, based on at least one of the acquired frames.