INTENSITY CORRECTION IN CR (COMPUTED RADIOGRAPHY) MOSAIC IMAGE COMPOSITION

摘要

Systems and methods for correcting the image intensity of under-exposed regions of CR (computed radiography) images for mosaic composition. In one aspect, a method for generating a mosaic CR image comprises acquiring a set of CR images (step 50) and processing each CR image (step 51) to detect an under-exposed region in the CR image (step 52). If an under-exposed region is detected, the CR image is separated into an under-exposed region and normal exposure region (step 53). The image intensity of the under-exposed region is then adjusted to be substantially similar to, or as close as possible to, the image intensity of the normal exposure region of the CR image (step 54) using nonlinear enhancement and/or linear transformation techniques. The intensity corrected CR images are then combined in a mosaic image (step 56).