Undetectable Watermark

Undetectable watermarks aim to secretly embed identifying information within AI-generated content (text or images) to verify authenticity without noticeably altering the output. Current research focuses on cryptographic techniques to create watermarks that are computationally infeasible to detect without a secret key, even under adaptive attacks. However, studies demonstrate that even these robust watermarks are vulnerable to removal or evasion through sophisticated post-processing techniques, particularly using generative AI models, highlighting the need for more resilient watermarking methods or alternative approaches like semantically similar watermarks. This field is crucial for combating misinformation and ensuring the trustworthiness of AI-generated content across various applications.