Fig. 11From: Wearable finger pad deformation sensor for tactile textures in frequency domain by using accelerometer on finger sidePerceptual differential thresholds towards the amplitudes of vibrotactile stimuli and average difference between the two types of estimates: \(|\bar{X}_\mathrm{p1}(\omega )|\) and \(|\bar{X}_\mathrm{p2}(\omega )|\). Differential thresholds are drawn based on literature [34]Back to article page