EntityQ1753515· pop 6· linked from 36 articlesRoberts CrossSign in to savetechnique used in image processing and computer vision for edge detectionConnectionsdigital image processingEntitySobel operatorEntityfeatureEntitygradientEntitycomputer visionEntityconvolutionEntityrecurrence relationEntityedge detectionEntityHough transformEntityLawrence RobertsEntityscale-invariant feature transformEntityCanny edge detectorEntityfeature engineeringEntitycorner detectionEntitySURFEntityblob detectionEntityHistogram of oriented gradientsEntityPrewitt operatorEntitypyramidEntityGeneralised Hough transformEntityCategoriesEdge detection