A method of sorting baggage at an airport, which method comprises acquiring a plurality of digital images (IN) of a piece of baggage, which piece of baggage carries an unambiguous identification label bearing textual information about a flight, the method further comprising video coding in which a computer unit automatically detects the presence of characteristic elements of the unambiguous identification label in the digital images, computes a score for each of the digital images on the basis of a count of the characteristic elements, ranks the images as a function of their respective scores, and displays the images on a screen (132) as a function of the ranking.