An apparatus for processing image data may include a receiving unit, which may be configured to receive first image data representing at least one first image. The apparatus may also include an edge data generating unit, which may be configured to generate edge data representing unidirectional edge components of the at least one first image. Additionally, the apparatus may include a display control unit, which may be configured to generate second image data representing at least one of a left-eye image or a right-eye image, based on the first image data and the edge data.