An apparatus for compensating for pixel distortion while reproducing hologram data includes an extraction unit, a determination and calculation unit, a table, and a compensation unit. The extraction unit extracts a reproduced data image from a reproduced image frame including the reproduced data image...http://www.google.de/patents/US20050286096?utm_source=gb-gplus-sharePatent US20050286096 - Apparatus and method for compensating for pixel distortion in reproduction of hologram data