X-ray image orientation in radiography and fluoroscopy

Details X-ray image orientation in radiography and fluoroscopy X-ray image orientation in radiography and fluoroscopy

2011-03-29

2011-03-29

Le, Brian Q (Department: 2624)

Image analysis

Applications

Biomedical applications

Reexamination Certificate

active

07916922

ABSTRACT:
In a method, apparatus, and computer program encoded with a data structure, for processing radiographic images and digital fluoroscopy radiographic (DFR) images acquired with the same imaging system using a single detector, three different types of image orientation are defined. These are a “system flip/rotation” that is dependent on the imaging system, a “pre-flip/rotation” orientation that is applied before the images are shown on a monitor, and a “post-flip/rotation” that is applied after an image is shown on the monitor. For this orientation change, the original image must be stored and subsequently manipulated. For pre-processing, DFR images are subjected only to the system flip/rotation, whereas radiographic images are subjected to the system flip/rotation as well as the pre-flip/rotation. For post-processing, both the DFR images and the radiographic images are subjected to the post-flip/rotation.

REFERENCES:
patent: 6227667 (2001-05-01), Halldorsson et al.

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