Image Authentication Based on Watermarking Approach: Review

Digital image authentication techniques have recently gained a lot of attention due to their importance large number military and medical applications, banks, institutions, which require high level security. Generally, digital images are transmitted over insecure media, such as the Internet computer networks various kinds. The has become one basic pillars life solution many problems left by coronavirus. As result, must be protected from attempts alter content that might affect important decision-making. An (IA) system is this difficult problem. In previous literature, several methods been proposed protect authenticity an image. watermark strategy ensure reliability, resilience, intellectual property, validity multimedia documents. images, audio, video, can hide content. Watermarking mechanism embedded in retrieved or identified entity. This paper reviews IA techniques, embedding tamper detection discusses performance pros cons each technique, for improving techniques.