EntityQ451898· pop 9· linked from 39 articlesPrewitt operatorSign in to savediscrete differentiation operator used in image processingConnectionsdigital image processingEntityRoberts CrossEntityfeatureEntityEuclidean vectorEntitydigital object identifierEntityInternational Standard Serial NumberEntityderivativeEntitygradientEntitycomputer visionEntityLaplace operatorEntityconvolutionEntitynormEntityrecurrence relationEntityedge detectionEntitygreyscale imageEntityHough transformEntityscale-invariant feature transformEntityCanny edge detectorEntityfeature engineeringEntityGabor filterEntityCategoriesEdge detection