CIConvolution The properties you use to configure a convolution filter. Declarationprotocol CIConvolution : CIFilterProtocol TopicsInstance PropertiesbiasinputImageweights RelationshipsInherits FromCIFilterProtocol See AlsoRelated Documentationconvolution3X3()convolution5X5()convolution7X7()convolution9Horizontal()convolution9Vertical()