A system is disclosed for analyzing 3-dimensional as well as 2-dimensional images represented by digital electrical signals corresponding to a matrix of points constituting the image. The 3-dimensional and 2-dimensional portions of the system each include a serial chain of neighborhood transformation...http://www.google.fr/patents/US4322716?utm_source=gb-gplus-shareBrevet US4322716 - Method and apparatus for pattern recognition and detection
Method and apparatus for pattern recognition and detection
