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Journal of Vision
The combination of local orientation collinearity and spatial frequency contrast in contour integration was studied in two experiments using a 2AFC contour detection and discrimination task. Target contours were defined by local orientation collinearity, spatial frequency contrast between contour and background elements, or both cues. Experiments differed in the source of spatial frequency contrast by manipulating the spatial frequency of either contour or background elements. Cue summationdoi:10.1167/15.5.17 pmid:26067535 fatcat:t5ckabxodff6hp5wsp4sw44eta