1. An image pickup apparatus comprising: an image pickup unit configured to capture an image of an object; a pattern recognition unit configured to perform pattern recognition on an image obtained through a pre-photographing operation performed using the image pickup unit; a first storage unit configured to store a result of the pattern recognition performed using the pattern recognition unit; a pattern comparator configured to compare a preceding recognition result stored in the first storage unit with the latest recognition result obtained through the pattern recognition performed using the pattern recognition unit; an updating unit configured to update the preceding recognition result stored in the first storage unit in accordance with a result of the comparison performed using the pattern comparator; and an association unit configured to associate the image captured using the image pickup unit with the recognition result stored in the first storage unit.