US 12,642,497 B2 · Fluoroscopic positioning guidance

Abstract

The present invention relates to patient positioning. In order to facilitate patient positioning, an apparatus is provided that comprises an input unit, a processing unit, and an output unit. The input unit is configured to receive an X-ray image of an anatomy of interest of a patient obtained from a first image acquisition and a target set of pose parameters describing a target position of the anatomy of interest for image acquisition. The processing unit is configured to detect the anatomy of interest in the X-ray image, to determine a set of pose parameters describing a current position of the detected anatomy of interest in the first image acquisition, to determine a difference between the determined set of pose parameters and the target set of pose parameters, and to construct a trajectory that defines a sequence of sets of pose parameters for bringing the anatomy of interest from the current position to the target position, if the difference is equal to or greater than a pre-defined threshold. The processing unit is further configured to generate a series of X-ray images according to the received X-ray image and the sequence of sets of pose parameters in the trajectory to synthesize a virtual fluoroscopic image sequence of frames representing an animated radio graphic imaging during re-positioning of the patient. The output unit is configured to provide the synthetic Virtual fluoroscopic image sequence for positioning guidance for a second image acquisition.

Claims13

Dependent claims

An apparatus for positioning guidance for image acquisition, comprising:

a memory that stores a plurality of instructions;
and
a processor coupled to the memory and configured to execute the plurality of instructions to:
receive an X-ray image of an anatomy of interest of a patient obtained from a first image acquisition and a target set of pose parameters describing a target position of the anatomy of interest for image acquisition;
detect the anatomy of interest in the X-ray image;
determine a set of pose parameters describing a current position of the detected anatomy of interest in the first image acquisition;
determine a difference between the determined set of pose parameters and the target set of pose parameters;
construct a trajectory that defines a sequence of sets of pose parameters for bringing the anatomy of interest from the current position to the target position, if the difference is equal to or greater than a pre-defined threshold;
generate a series of X-ray images according to the received X-ray image and the sequence of sets of pose parameters in the trajectory to synthesize a virtual fluoroscopic image sequence of frames representing an animated radiographic imaging during re-positioning of the patient;
and
provide the synthetic virtual fluoroscopic image sequence for positioning guidance for a second image acquisition.

8 more elements

A method for positioning guidance for image acquisition, comprising:

receiving an X-ray image of an anatomy of interest of a patient obtained from a first image acquisition;
receiving a target set of pose parameters describing a target position of the anatomy of interest for image acquisition;
detecting the anatomy of interest in the X-ray image;
determining a set of pose parameters describing a current position of the detected anatomy of interest in the first image acquisition;
determining a difference between the determined set of pose parameters and the target set of pose parameters;
constructing a trajectory that defines a sequence of sets of pose parameters for bringing the anatomy of interest from the current position to the target position, if the difference is equal to or greater than a pre-defined threshold;
generating a series of X-ray images according to the received X-ray image and the sequence of sets of pose parameters in the trajectory to synthesize a virtual fluoroscopic image sequence of frames representing an animated radiographic imaging during re-positioning of the patient;
and
providing the synthetic virtual fluoroscopic image sequence for positioning guidance for a second image acquisition.

6 more elements

Dependencies are inferred from the claim text.

Fluoroscopic positioning guidance

Life of this patent

Fluoroscopic positioning guidance

Life of this patent

Abstract

Claims13