A Novel Image Zooming Algorithm Based on Nonlinear Diffusion
Guan Wen-tan · Journal of Nanjing University of Posts and Telecommunications · 2008
An efficient scheme is presented to overcome the edge blurring problem in tradition image zooming method using linear interpolation.Based on analysis the shortages in Tikhonov,total variation and higher order partial difference models,a novel algorithm is proposed by combining the total variation model and high-order PDE ones.The combined technique is able to preserve edges and avoide the staircase effect in smooth regions.Experimental results show the advantage of our proposed model compared with others.