The invention relates to an automatic system for repairingsurfaces having natural patterns, particularly wood panels, wherein afterthe automatic detection and repair of the faulty regions by smoothing ordoweling, the visually apparent repair regions are decorated locally by anumerically controlled decoration process, particularly an ink jet printingtechnology. To this end, the panel is captured optically by a scanner,which in particular can detect colors, in addition to an image generatorsuitable for detecting the faulty regions. From the global color and structurecharacteristics of the panel and the local color and structure characteristicof each individual faulty region, local decoration patterns to be appliedautomatically are derived, which allow the faulty region to not be apparentany longer and give the panel a desired aesthetic appearance bothlocally and globally.
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