Digital watermarking techniques are widely researched and utilized across various multimedia and technology sectors to combat piracy, verify copyright, and trace illegal distribution.
The retrieved literature consistently highlights digital and forensic watermarking as a primary technological countermeasure against copyright infringement and piracy in digital media, 3D content, and biochips. Multiple papers explicitly cite watermarking as an effective tool for copyright protection and tracing illegal distribution. No papers refute this claim.