Patent ID: 7360762

Claim:
A die eye number determination method, comprising: providing a plurality of dice, each of the dice including at least six faces, wherein the at least six faces of the die includes from one eye to at least six eyes; capturing an image of the dice each including at least one face of the at least six faces to generate an image signal; determining two eyes having a longest distance in the captured image as eyes positioned at outermost ends in the captured image; setting one of the two eyes positioned at the outermost ends of the captured image as an unprocessed end eye; determining an eye number of each of the dice based upon the unprocessed end eye in the image signal on a condition of at least one of a feature, a number, and a location relation of the one eye to at least the six eyes in a predetermined area of the captured image; and repeating the determining the eye number by setting an eye positioned close to the unprocessed end eye as a next unprocessed end eye in order, until all eyes in the captured image are processed; wherein the determining said eye number comprises determining whether the unprocessed end eye includes a feature of an eye number “ 1 ”, and thereafter determining whether the unprocessed end eye includes a feature of an eye number “ 6 ” based on a clearance between the unprocessed end eye with other eyes and subsequently, in order, to a feature of a smaller number of eyes.