Abstract:
The X-ray imaging apparatus includes an X-ray generator to generate and emit X-rays, an X-ray detector to detect the emitted X-rays and acquire X-ray data, and a controller to convert the X-ray data into X-ray characteristic coordinates and estimate a response characteristic function of the X-ray detector from a relationship between measurement data and reference data, the measurement data and the reference data being converted into the X-ray characteristic coordinates.
Abstract:
Disclosed herein are an X-ray imaging apparatus and a method for generating a stereoscopic image by using the apparatus. The stereoscopic image generation method includes emitting first X-rays toward a target object at a first emission angle, detecting the first X-rays which have propagated through the target object in order to acquire a first X-ray image, emitting second X-rays toward the target object at a second emission angle which is different from the first emission angle, detecting the second X-rays which have propagated through the target object in order to acquire at least a second X-ray image, and generating a stereoscopic image based on the first X-ray image and the at least second X-ray image.
Abstract:
The X-ray imaging apparatus includes an X-ray source that emits X-rays to an object at different original-view positions, an X-ray detector that acquires original-view images by detecting X-rays having passed through the object, and an image controller that reconstructs a 3D volume image representation of the object from the original-view images and generates close-view images by virtually emitting X-rays to the 3D volume image representation of the object at a shorter distance than a distance between the X-ray source and the object.
Abstract:
Provided is an apparatus and method for generating a virtual view in an image reconstruction system which uses multiple views. In the image reconstruction system which uses multiple views, the virtual view generating apparatus may receive original view projection images that are generated by emitting X rays toward an object via original views, three-dimensionally reconstruct the object by using the original view projection images, generate original view reprojection images by virtually emitting X-rays toward the reconstructed 3D object via the original views, estimate a motion of the reconstructed 3D object with respect to at least two of the original view reprojection images using a block-based motion estimation scheme, and generate an intermediate view projection image with respect to the at least two of the original view reprojection images by using information relating to the estimated motion.