Set of documents describing various compression techniques 1) Arithmetic coding 2) Burrows Wheeler transform 3) DEFLATE, LZW, LZ77, LZ78 algorithms 4) Discrete wavelet transform 5) Run lenght encoding 6) ZIP and PNG file formats

Speech Based Watermarking for Digital Images This paper presents a novel scheme of watermarking of digital images for copyright protection and authentication. In this paper we proposed a method of embedding owner’s speech signal. Speech being