Basics of lossless compression techniques, Universal coding schemes, Dictionary based LZ algorithms, Arithmetic coding, Lossless image compression, G3/G4 facsimile coding, JBIG standard, Scalar and Vector quantization. Lossy image and audio compression, Predictive coding, Transform coding, Subband coding, Multimedia compression standards, JPEG2000, H.263 and variants, MPEG-1,2 and 4.