Digital Watermark Technique: A Review

Abstract Multimedia security is extremely significant concern for the internet technology because of ease duplication, distribution and manipulation multimedia data. The digital watermarking a field information hiding which hide crucial in original data protection illegal duplication This paper presents survey on existing image techniques. In secret are implanted into protecting ownership rights techniques may divide basis domain like spatial or transform domain. while directly work pixels frequency works coefficients image. elaborates most important methods focuses merits demerits these