The Café Wall Illusion: Local and Global Perception from Multiple Scales to Multiscale

Figure 5

Mean tilts and variance error bars for individual samples of Falling (a) and Rising mortar lines (b) specified along horizontal axis (100 samples in total; DoG8 means = 8). As explained in Figure 4, the cropped samples are from the Café Wall of 3 × 9 tiles with 400 × 400 px tiles and 16 px mortar (DoG4: = 4).

(a)

(b)