A virtual mirror device for visualizing virtual objects in angiographic applications, having an interactive virtual mirror, a 3D or 4D medical image of a patient's anatomy co-registered with a calibrated 2D X-ray image of the patient's anatomy, and a displaying device provided such that the 2D X-ray image of the patient's anatomy, the co-registered 3D or 4D medical image of the patient's anatomy and the interactive virtual mirror viewed from the viewpoint of the X-ray source of the X-ray imaging system, are presented in a common coordinate system, providing full integration and combined visualization of the reconstruction of 3D or 4D medical image of the patient's anatomy, the 2D X-ray image of the patient's anatomy and the virtual mirror onto the displaying device.