rticulate offers a few helper functions to work with ultrasound tongue imaging data, exported from Articulate Assistant Advanced™ or other systems.
The following vignettes give details on specific topics:
vignette("tongue-imaging", package = "rticulate"): You should start here to learn how to import UTI data and plot tongue contours.
vignette("polar-gams", package = "rticulate"): This vignette describes the function
polar_gam()which can be used to model tongue contours with GAMs using polar coordinates.
vignette("transform-coord", package = "rticulate"): In most cases, you won’t need to convert to polar coordinates explicitly, but in case you want to do that, you can look at this vignette to learn how to use