verting all images in a directory
      to a PostScript file, and a program for printing an image
      in any (supported) format to a PostScript printer.

    - various programs for generating pdf files from compressed
      images, including very fast ones that don't scale and
      avoid transcoding if possible.

    - converters between binary images and SVG format.

    - an adaptive recognition utility for training and identifying
      text characters in a multipage document such as a book.

    - a 