Combining angiographic information with fluoroscopic images

A computer-implemented method for correcting parallax-induced spatial inconsistencies in medical imaging, comprising:

• acquiring, by one or more processors, a plurality of image pair data, each image pair data comprising constituent fluoroscopic image data and angiographic image data taken from an essentially common viewing direction;
• calculating, by one or more processors, image pair registration data representing spatial orientations between overlapping areas of neighboring image pairs;
• electronically registering, by one or more processors, a live fluoroscopic image with each of the plurality of image pairs individually to derive a set of distinct spatial transformation matrices;
• synthesizing, by one or more processors, a spatially-synchronized angiographic overlay by applying the distinct spatial transformation matrices to the angiographic image data, thereby compensating for parallax-induced distortions caused by conical X-ray beam propagation;
• and
• commanding, by one or more processors, a display device to project the spatially-synchronized angiographic overlay onto the live fluoroscopic image to generate an augmented anatomical representation.

A computer-implemented method of overlaying angiographic information over a fluoroscopic image of a patient, the method comprising:

• acquiring, via one or more processors, a plurality of image pair data, each image pair data representing an image pair and comprising fluoroscopic image data and angiographic image data representing a fluoroscopic image and an angiographic image, respectively, of a part of the patient, the fluoroscopic image and the angiographic image of an image pair being essentially taken from the same position and the same viewing direction onto the patient;
• calculating, via one or more processors, a set of image pair registration data, each image pair registration data representing a spatial orientation between two neighbouring image pairs;
• acquiring, via one or more processors, live fluoroscopic image data representing a live fluoroscopic image of the patient;
• registering, via one or more processors, the live fluoroscopic image data individually with the fluoroscopic image data of each image pair, thus obtaining a plurality of distinct spatial orientations between the live fluoroscopic image and each corresponding image pair;
• determining, via one or more processors, angiographic overlay image data from the angiographic image data based on the plurality of distinct spatial orientations between the live fluoroscopic image and each corresponding image pair;
• and
• generating, via one or more processors, an augmented fluoroscopic representation by projecting a spatially-synchronized vascular representation onto the live fluoroscopic image.