The latest version of the opencv R package can detect and decode QR codes!
Install latest opencv install.packages("opencv", repos = "https://ropensci.r-universe.dev") There are two ways of using this: the ocv_qr_detect function tries to find the QR in an image file. It returns either a text string or NULL (if no QR code was found in the image):
img <- opencv::ocv_read('https://jeroen.github.io/images/qrtest.jpg') opencv::ocv_qr_detect(img) ## https://www.r-project.org Alternatively if your laptop has a camera, you can use R as a true QR code …
