Given the paths to one or more files, reads and converts
them into a captcha list that can be used for classification or
decryption. If ans_in_path = TRUE, will take the answer for the
captchas from their filenames and get them ready for modeling.
read_captcha(file, ans_in_path = FALSE, vocab = NULL)Paths to one or more captcha images
Whether or not the answers to the captchas are already in the paths to the files (separated by and underscore in the filename)
Character vector with all possible values in the captcha. If not specified, answers won't be transformed to the matrix format.
A list of captcha objects