PROBLEM TO BE SOLVED: To provide an image generating device capable of reducing distortion of a tomographic image caused by alignment eccentricity between measuring light and an object to be examined.SOLUTION: An image generating device includes: acquisition means 191 capable of acquiring tomographic data of an object to be examined that is acquired by performing optical interference tomographic imaging of the object to be examined by using measuring light eccentricity amount acquisition means 193 acquiring an eccentricity amount with respect to the object to be examined of an optical axis of the measuring light and generation means 192 generating a tomographic image by using the acquired tomographic data. The generation means includes: calculation means 197 calculating an incident angle change amount of the measuring light to the object to be examined and an optical path length change amount of the measuring light by using the eccentricity amount and correction means 198 correcting the tomographic data by using the incident angle change amount and the optical path length change amount.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2019,JPO&INPIT【課題】測定光と被検査物とのアライメント偏芯に起因する断層画像のひずみを軽減することができる、画像生成装置を提供する。【解決手段】測定光を用いて被検査物を光干渉断層撮像することで得られた、被検査物の断層データを取得する取得手段191と、測定光の光軸の被検査物に対する偏芯量を取得する偏芯量取得手段193と、取得した断層データを用いて断層画像を生成する生成手段192とを備え、生成手段は、偏芯量を用いて、被検査物への測定光の入射角度変化量及び測定光の光路長変化量を算出する算出手段197と、入射角度変化量及び光路長変化量を用いて断層データを補正する補正手段198とを含む、画像生成装置。【選択図】図1
