Radha, V2017-03-252017-03-252011https://ir.avinuty.ac.in/handle/avu/2157The compound image compression normally based on three classification methods th at is object based, layer based and block based. This paper presents a comparison of layer and block based classification methods. For secure transmission, an encryption algorithm was used to encrypt the compressed image .Experimental results were conducted to analyze the performance of the two compressors.