Fig. 9From: Enabling visually impaired people to learn three-dimensional tactile graphics with a 3DOF haptic mouseConfusion matrix of performances in matching shapes for the Geometrical Descriptor \(0{th}+1{st}\). On the left, there are the data of the VI participants and on the right the data of the BS participants. Cells contain recognition rates: in this case size mismatch was not considered an errorBack to article page