Advanced Watermarking o f Digital Images Showing Robust, Semi Fragile a nd Fragile Behaviour

Digital Image Watermarking plays an important role when it comes to maintaining digital color picture authentication information. The proposed paper consists mainly of a watermarking scheme consisting discrete wavelet transformation and involving the generation pn sequence number embed watermark also extract from host image. technique suggested includes both embedding removing file. Both method extraction generating values using random numbers. for all three RGB signal sources is included. symbol located independently within image's red, green, blue channels. further reveals improved mode images through fragile semi-fragile images.