The program was fashioned only to recognize those with black hair as being people. Children being held or clinging to their parents were counted as being one with Mom or Dad. The device snapped 30 pictures a second.
原來這套系統是先由攝影機紀錄人的影像，將頭髮的黑度譯成數據訊號，傳給電腦，電腦再據以判斷這是不是一個「頭」、共有幾個「頭」。