Video-based biometric signature data collecting method and apparatus

Disclosed are a method and an apparatus, as well as a computer recording medium for video-based handwriting input for biometric Signature Data Collecting. The invention is implemented by finding out all the relative positions among all light points of light sources when all light sources mounted on a stylus are turned ON; capturing an image including effective strokes and digital data of pen pressure with a digital camera, when a user writes on a writing surface with a stylus having a light source (e.g. LED) indicating x-y coordinates of strokes, said images is time-stamped; wherein the stylus comprising a micro-switch, when the stylus touches the writing surface, the micro switch is turned on to let the light source indicating x-y coordinates of strokes ON and generate a "light point"; and extracting effective stroke images and digital data of pen pressure by comparing the captured images with the light point on the stylus. Moreover, the invention discloses a low cost, wireless method and apparatus for handw