The examined lecture contents are as follows: (1) the relationship between the YIQ color specification system generated by the vision sensor module and the RGB color specification system of the viewer, (2) a method for converting YIQ to RGB, (3) image binarization method for extracting image color information, (4) noise reduction method, (5) a method for calculating the representative point of an object on the basis of its image coordinates, and (6) a method that uses this sensor module and transmits image information to a computer.