%0 Journal Article %T Medical Image Denoising Using Adaptive Threshold Based on Contourlet Transform %A S.Satheesh %A KVSVR Prasad %J Advanced Computing : an International Journal %D 2011 %I Academy & Industry Research Collaboration Center (AIRCC) %X Image denoising has become an essential exercise in medical imaging especially the Magnetic ResonanceImaging (MRI). This paper proposes a medical image denoising algorithm using contourlet transform.Numerical results show that the proposed algorithm can obtained higher peak signal to noise ratio(PSNR) than wavelet based denoising algorithms using MR Images in the presence of AWGN. %K Denoising %K Contourlet %K Wavelet %K MRI %K Threshold %U http://airccse.org/journal/acij/papers/0311acij05.pdf