L. Hong, Y. F. Wan and A. Jain, “Fingerprint Image Enhancement Algorithm and Performance Evaluation,” IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 20, No. 8, August 1998.
 Y. Y. Liang and P. Z. Wen, “Fingerprint Image Denoising using Morphological Amoebas,” International Conferences on Intelligent Computing and Integrated Systems (ICISS), 2010, pp.197-200.
 X. F. Liang and T. ASANO, “A Linear Time Algorithm for Binary Fingerprint Image Denoising Using Distance Transform,” IEICE TRANS. INF. & SYST., Vol. E89-D, No.4, April 2006.
 Portilla, J. Strela, V. Wainwright and M. J. Simoncelli, “Image Denoising using Scale Mixtures of Gaussians in the Wavelet Domain,” IEEE Transactions on Image Processing, Vol. 12, No. 11, 2003, pp. 1338-1351.
 A. Buades, B. Coll and J. Morel, “A Nonlocal Algorithm for Image Denoising,” IEEE International Conferences on Computer Vision and Pattern Recognition (CVPR), Vol. 2, 2005, pp. 60-65.
 J. Salmon and Y. Strozecki, “From Patches to Pixels in Non-Local methods:Weighted-Average Reprojection,” International Conferences On Image Processing (ICIP), 2010, pp. 1929-1932.
 C.-A. Deledalle J. Salmon and V. Duval, “Non-Local Methods with Shape-Adaptive Patches (NLM-SAP),” Journal of Mathematical Imaging and Vision (JMIV), Vol. 43, 2012, pp. 103-120. doi:10.1007/s10851-011-0294-y
 Z. Wang, A. C. Bovik, H. R. Sheik and E. P. Simoncelli, “Image Quality Assessment: From Error Visibility to Structural Similarity,” IEEE Transactions on Image Processing, Vol. 13, No. 4, Apr. 2004, pp. 600-602.