Swift eight-direction adding algorithm to remove impulse noise
Zhiqiang Hou · Computer Engineering and Applications Journal · 2009
A swift filtering algorithm is proposed after a brief analysis of current methods on impulse noise removal.Its main idea is as follows:first,using a critical region to pick up the uncorrupted pixels to build a matrix of signal.Then,treating the signal matrix with eight-direction adding.A restored one will present itself nearly after two-step-correction of after adding image.As a superiority of macro-processing,this algorithm is easy to program and fit for real-time processing.Experimental results indicate that the proposed algorithm works well in denoising images with a normal noise rate and saves time remarkablely.