Patent ID: 7474782

Claim:
An apparatus for processing holographic data reproduced from a holographic Storage medium, comprising: a holographic data detector for receiving a holographic data image reproduced from the holographic storage medium and outputting a page image including a detected holographic data image, wherein the holographic data image includes M1×M2 data pixels and each data pixel of the holographic data image corresponds to P1×P2 image pixels of the detected holographic data image, M1 and M2 being positive integers and P1 and P2 being positive integers greater than 1, respectively; a resized pixel detector for finding a resized vertical length V and a resized horizontal length H of the detected holographic data image, V and H being integers, respectively; and a sampling unit for partitioning the detected holographic data image into (|V|+1)×(|H|1) partitions; and sampling M1×M2 image pixels from the detected holographic data image to thereby reproduce the M1×M2 data pixels, wherein, within a partition, image pixels are sampled at intervals of P1 image pixels in a vertical direction and P2 image pixels in a horizontal direction, and, across a boundary of two neighboring partitions, image pixels are sampled (1) at intervals of P1+1 image pixels in a vertical direction if the V is a positive integer and P1−1 image pixels in the vertical direction if the V is a negative integer, and (2) at intervals of P2+1 image pixels in a horizontal direction if the H is a positive integer and P2−1 image pixels in the horizontal direction if the H is a negative integer.