PROBLEM TO BE SOLVED: To improve photographing error analysis by reducing the trouble of selecting images necessary for the photographing error analysis.SOLUTION: A control device includes: an instruction part for receiving an instruction which determines a photographed image or an image which is a processed image based on the photographed image to be a photographing error image; and an addition part for adding information which shows whether the photographing was a succes or failure to the image, based on the information of photographing protocol of the image and the information which shows whether or not the image is a photographing error image instructed by the instruction means.SELECTED DRAWING: Figure 7【課題】写損分析に必要な画像を選別する手間を削減し、写損分析の効率を向上させる。【解決手段】制御装置であって、撮影画像又は当該撮影画像に基づく処理画像である画像を写損画像とする指示を受け付ける指示部と、画像の撮影プロトコルの情報と、画像が指示手段により指示された写損画像であるか否かを示す情報とに基づいて、画像に撮影成否を示す情報を付与する付与部とを備える。【選択図】 図7