1. A method for recognizing content in image sequence having at least one image frame, the method comprising the steps of: detecting at least one face appearing in at least one of the image frames of an image sequence under test; recognizing characteristic features of the at least one face; comparing the characteristic features to known features of characters stored in a database for determining whether the face represents a known character; detecting and recognizing at least one additional feature in at least one frame of the image sequence under test and at least one relation between the appearance of the known character and the at least one additional feature; and comparing the at least one relation to metadata comprising known relations stored in the database each one assigned to a particular known image sequence for recognizing if the image sequence under test at least partially equals one of the known image sequences.