Camera Playing Card Counter

To count playing cards or paper sheets use a cheaper webcam imposes big challenges to digital image processing technologies. As an example, manufactures of playing cards need a fast and efficient way to control the qualities of their products by counting decks of playing cards without pulling them out of their cases and without putting them into a well-controlled environment. To the convenient of the playing card manufacturers, this kind of practice is highly desired. However, to the nightmares of the developers of card counters, an ill-controlled environment can introduce fetal noisy light to make the counting of playing card impossible.

The unique Physical Linguistic Vision Technologies developed in Yang's Scientific Research Institute, LLC., provide an efficient way to solve the problem with relative simple settings and working conditions. First, a cheap webcam can be used to count playing card, this means the user don’t need to buy expensive equipment and can take a good advantage of a PC that already sit on the desktop. Secondly, the user can simply hold the deck of playing cards in front of the webcam and the number of counts of the playing cards can be automatically counted at a rate up 25 decks per second. (October 23, 2005, Tucson, Arizona, USA.)