What Is Forensic Image Analysis Used For?
Forensic image analysis applies image science to photos and video in legal and investigative matters. Its goal is reliable information, not a better-looking picture. It applies image science techniques to extract reliable information from visual evidence rather than simply improving image quality. Main Uses of Forensic Image Analysis Examiners use forensic image analysis to: ● Detect possible image alterations ● Compare people, objects, or images with known references ● Examine details in surveillance footage ● Measure objects or people when reliable estimates are possible The techniques used depend on the image quality and the question being examined. How It Differs From Photo Editing Photo editing changes an image until it looks right. Forensic work changes it only for a reason, and only in ways that can be explained. A digital forensic expert follows procedures to preserve the originality of the image. Under SWGDE’s Image Processing Guidelines , an...