parameterssuchasmeanandvariance.Itisweightedblurring.Gaussianfunctionisofthefollowingform/(,)/*xyGxye(equation)whereisvarianceandxandyarethedistancefromtheorigininthehorizontalaxisandverticalaxisGaussianFilterhasanefficientimplementationofthatallowsittocreateaveryblurryblurimageinarelativelyshorttime.B)GaussianNoise:Theabilitytosimulatethebehaviorandeffectsofnoiseiscentraltoimagerestoration.Gaussiannoiseisawhitenoisewithconstantmeanandvariance.Thedefaultvaluesofmeanandvarianceareand.respectively.C)BlurringParameter:TheparametersneededforblurringanimagearePSF,Blurlength,Blurangleandtypeofnoise.PointSpreadFunctionisablurringfunction.Whentheintensityoftheobservedpointimageisspreadoverseveralpixels,thisisknownasPSF.Blurlengthisthenumberofpixelsbywhichtheimageisdegraded.ItisnumberofpixelpositionisshiftedfromoriSFBlurredimage(g)=f*h+ng=filter(f,h,n,”convolution”)如果'g'包含“响铃”,然后在