<|"image" -> {"turtle", "spagetti", "retina-1", "retina-2", "eindhoven-map", "circles", "circles-noise", "euler-spirals", "euler-spirals-noise", "sine-waves", "sine-waves-noise", "retina-patch-1", "lena", "crossings"}, "image3d" -> {"circles", "crossing-circles", "random-lines-1", "random-lines-2", "spiral-with-varying-radius", "shortestpath"}|>