PROBLEM TO BE SOLVED: To prevent the deterioration of a fundus image by minimizing a decrease in light quantity for OCT (optical coherence tomography) imaging processing, for instance.SOLUTION: A CPU extracts feature points from the fundus image of an eye to be examined, imaged in a predetermined region by a first imaging means (S401), and sets a region smaller than the predetermined region, including the feature points (S403). The CPU images the fundus image of the eye to be examined, in the set region by the first imaging means, and detects the position deviation of the feature points based on the imaged fundus image of the eye to be examined (S405). The CPU corrects the imaging position of the fundus image of the eye to be examined by a second imaging means based on the detected position deviation of the feature points (S409).COPYRIGHT: (C)2013,JPO&INPIT【課題】例えばOCT撮影処理のための光量低下を最低限にとどめ、眼底像の劣化を防ぐ。【解決手段】CPUは、第1の撮像手段により所定の領域で撮像された被検眼の眼底像から特徴点を抽出し(S401)、特徴点を含む、所定の領域より小さい領域を設定する(S403)。そしてCPUは、設定した領域で第1の撮像手段によって被検眼の眼底像を撮像させ、撮像された被検眼の眼底像に基づいて特徴点の位置のずれを検出する(S405)。そしてCPUは、検出した特徴点の位置のずれに基づいて、第2の撮像手段による被検眼の眼底像の撮像位置を補正する(S409)。【選択図】図4
