Digital photograph restoration uses image editing techniques to remove undesired visible features, such as dirt, scratches, or signs of aging.
People use raster graphics editors to repair digital images, or to add or replace torn or missing pieces of the physical photograph.
[4] It is considered important to ensure the original photograph is minimally damaged by environmental changes or careless handling.
[citation needed] Courts agree that by its basic nature digitization involves reproduction—an act exclusively reserved for copyright owners.
[citation needed] Even without copyright permission, museums can digitally copy and restore images for conservation or informational purposes.