1. A method of correcting a block of pixel data, comprising: transforming a first pixel within a current block of pixel data, in accordance with a characteristic of the data, in a first set of sub-pixels, the first set of sub-pixels comprising at least one sub-pixel of the first pixel; transforming a second pixel adjacent to the first pixel, in accordance with the characteristic, in a second set of sub-pixels, the second set of sub-pixels comprising at least one sub-pixel of the second pixel and at least one adjacent sub-pixel of the first pixel; and defining the first set of sub-pixels and the second set of sub-pixels using a lens array.