System for generating a compound x-ray image for diagnosis

Details System for generating a compound x-ray image for diagnosis System for generating a compound x-ray image for diagnosis

1998-11-25

2000-08-08

Bruce, David V.

X-ray or gamma ray systems or devices

Specific application

Absorption

378 98, 382130, 382132, G01N 2304

Patent

active

061012386

ABSTRACT:
A system for automatically composing target objects from a sequence of x-ray images for the purpose of diagnostic examination or measurement detects and matches semantically meaningful visual event hierarchy. The system can automatically composite the target object explicitly ignoring image regions that are not of interest for diagnosis. Diagnostic examination and measurement are helped significantly by the use of compound x-ray images. Prior to compound image generation, each constituent image undergoes two automatic pre-processing steps through a background detector and an emphasis field extractor. The system further includes a pair-wise aligner, a compound image generator and an examiner/measurer. The system increases the efficiency of compound image generation and improves its accuracy by de-emphasizing alignment of irrelevant structures in the images.

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