CIColumnAverage Declarationprotocol CIColumnAverage : CIAreaReductionFilter RelationshipsInherits FromCIAreaReductionFilterCIFilterProtocol See AlsoProtocolsCIAreaAverageCIAreaHistogramCIAreaLogarithmicHistogramCIAreaMaximumCIAreaMaximumAlphaCIAreaMinMaxCIAreaMinMaxRedCIAreaMinimumCIAreaMinimumAlphaCIAreaReductionFilterCIHistogramDisplayCIKMeansCIRowAverage