Problem to be solved: to provide an X-ray diagnostic apparatus capable of suppressing the fluctuation of the X dose transmitted through the region of interest in the subject, a control method of the X-ray diagnostic apparatus, and an image processing apparatus.Solution: an X-ray diagnostic apparatus according to the present embodiment is an X-ray irradiation part for irradiating X-rays to an object, a acquiring part for repeatedly acquiring an X-ray image of X-rays transmitted through the subject in response to irradiation of an X-ray irradiation part, and an area used for controlling the X-ray irradiation part The weight of the first region of interest in the X-ray image, and the weight of each pixel value in the first interest area of the X-ray image in accordance with the acquisition of the X-ray image in the acquisition part, and weighting greater than 0 according to the position in the first interest area WithThe controller further comprises a generator for generating a control value based on the value obtained in the addition processing, and a control section for controlling the X-ray irradiated by the X-ray irradiation portion so that the control value approaches the predetermined value.Diagram【課題】被検体内の関心領域を透過したX線量の変動を抑制可能なX線診断装置、X線診断装置の制御方法、及び画像処理装置を提供する。【解決手段】本実施形態に係るX線診断装置は、X線を被検体に向けて照射するX線照射部と、X線照射部の照射に応じて、被検体を透過したX線のX線画像を繰り返し取得する取得部と、X線照射部の制御に用いる領域である第1関心領域をX線画像内に設定する設定部と、取得部でのX線画像の取得に応じて、X線画像の第1関心領域内におけるそれぞれの画素値を、第1関心領域内の位置に応じて0より大きな重み値が付与された重みを付けて加算する加算処理を行い、加算処理で得られた値に基づいて制御値を生成する生成部と、制御値が所定値に近づくように、X線照射部が照射するX線の制御を行う制御部と、を備える。【選択図】図1
