A motion image processing method and device for authenticating a user using a specific device, using motion information of an object. Time series monochrome images, obtained by photographing an object, using a camera, are input. An object is detected from an initial frame of the input time series images,...http://www.google.ca/patents/US6993157?utm_source=gb-gplus-sharePatent US6993157 - Dynamic image processing method and device and medium
