This Paper Propose a Fractal image Compression Technique Using Correlations between the discreate wavelet transformed coefficients to improve PSNR. This proposal method constructs significant coeffficients trees, Which indicate the positions and signs...
This Paper Propose a Fractal image Compression Technique Using Correlations between the discreate wavelet transformed coefficients to improve PSNR. This proposal method constructs significant coeffficients trees, Which indicate the positions and signs of the significant coeffficients and supports multi-resolution and reduces computational complexity of mapping contracted domain pool onto range block and then Matching only the significant coefficients of range block to coefficients contracted domain block in LL subband as root node. Also, this paper proposes a scheme which minimixes the number of contracted domain blocks compared with range block and the position infomations are coded by the Fractal coding in LL subband. and then the others processed by VQ.
Result of simulation show that the proposed method provides better performance more PSNR than the Fractal decoding image and reduces blocking effects that come into image.