1. A depth information generating device comprising: a region extracting unit configured to detect a human face region in at least one two-dimensional image, and extract a human figure region using a human figure premask matching with the detected human face region among a plurality of human figure premasks stored in advance, the human figure region indicating the human figure within a region in the at least one two-dimensional image; and a generating unit configured to generate a depth map for separating the human figure region from a region other than the human figure region by giving a depth value different from a depth value of the region other than the human figure region to the human figure region, wherein the human figure premask includes a face region that is the human face region, and a body region that is a region other than the face region.