1. A stereoscopic image generating method having a left image and a right image for stereoscopic vision, said stereoscopic image generating method comprising: a target region extraction step of extracting left and right target regions which do not include a pair of fused points corresponding to each other in the left image and the right image which are displayed on a display plane; and a removed region extraction step of extracting a more inconspicuous region as a removed region by identifying the more inconspicuous region between the left and right target regions.