1. A video encoding apparatus, comprising: a warp calculator for generating a warp map from a multiview texture image comprising a plurality of pixels; a warp converter for converting the warp map into a warp residual; and a multiview video encoder for encoding the multiview texture image and the warp residual, wherein the warp map indicates coordinate information corresponding to each pixel of the plurality of pixels of the multiview texture image, wherein the warp calculator generates shift information using depth information which is extracted from the multiview texture image, estimates saliency map information using the depth information, extracts a vertical edge region from the multiview texture image, and generates the warp map using the shift information, the saliency map information and the vertical edge region, wherein the shift information indicates a degree by which the each pixel of the plurality of pixels of the multiview texture image is shifted, wherein the saliency map information indicates a degree of distinctness in the multiview texture image, wherein the vertical edge region indicates a vertical component of a foreground or background in the multiview texture image.