Fig. 2 Reconstruction of Muybridge videos for a 1-m-long fi bre. Individual frames of video data taken from the Muybridge collection: a running horse, b jumping cat, c fl ying parrot and d punching boxer. All videos are greyscale, scaled to 92 × 92 pixels and transmitted at four frames per second. The fi rst column shows the original input video. The second column shows the speckle patterns ( x ) measured at the fi bre output. The full videos are available in the supplementary information (Supplementary Movie 1). SSIM and PCC indicate the structural similarity index and Pearson correlation coef fi cient