发明名称 |
X-ray imaging apparatus and method of controlling the same |
摘要 |
An X-ray imaging apparatus includes an X-ray generator configured to generate and emit X-rays, an X-ray detector configured to detect the X-rays and count a number of photons having energy equal to or greater than threshold energy per pixel among photons contained in the detected X-rays, a map generator configured to extract corrected threshold energy corresponding to target threshold energy mapped to each pixel, and a data correction unit configured to calculate corrected X-ray data corresponding to the corrected threshold energy per pixel from a plurality of X-ray data acquired based on a plurality of images of a target object obtained by using a plurality of approximate energies equal or approximate to the target threshold energy as threshold energy of the X-ray detector. |
申请公布号 |
US9423517(B2) |
申请公布日期 |
2016.08.23 |
申请号 |
US201314144766 |
申请日期 |
2013.12.31 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
Kang Sung Hoon;Kang Dong Goo;Han Sang Wook;Sung Young Hun;Oh Hyun Hwa |
分类号 |
G01D18/00;G01T7/00;G01T1/169 |
主分类号 |
G01D18/00 |
代理机构 |
Sughrue Mion, PLLC |
代理人 |
Sughrue Mion, PLLC |
主权项 |
1. An X-ray imaging apparatus comprising:
an X-ray generator configured to generate and emit X-rays; an X-ray detector configured to detect the X-rays and count a number of photons having energy equal to or greater than threshold energy of the X-ray detector, per pixel, among photons contained in the detected X-rays; and a controller configured to: extract corrected threshold energy corresponding to target threshold energy mapped to each pixel, and calculate corrected X-ray data corresponding to the corrected threshold energy per pixel from a plurality of X-ray data acquired based on a plurality of images of a target object obtained by using a plurality of approximate energies equal or approximate to the target threshold energy as the threshold energy of the X-ray detector. |
地址 |
Suwon-si KR |