A Color-Based Model to Determine the Age of Documents for Forensic Purposes

Detecting the age of a document is an important subject for forensic purposes. As the paper ages, its color changes depending on a number of factors such as its original color, storage conditions, environment temperature, humidity, etc. In Brazil, documents such and birth and wedding certificates during the second half of the 20th century used standardized preprinted forms. This paper proposes a model for determining the age of such documents based on the color components of the background of its scanned image.