How to remove spikes from grid in SAGA GIS? [duplicate]

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I tried to get a grid by interpolating LAS file using Ordinary Kriging. But the product grid has many pixels which values strongly stands out from average surface - I mean one pixel sinks nad spikes. I know that sinks can be easily filled with preprocessing modules, but I found removing spikes more complicated.Is there any automated way to remove them? For instance a module which could get rid of pixels with values that stands out from their neighborhood?



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