Patent application number | Description | Published |
20130301798 | CALIBRATION METHOD OF RADIATION DETECTING APPARATUS, RADIATION IMAGING APPARATUS AND CONTROL METHOD OF RADIATION IMAGING APPARATUS - A calibration method of a radiation detecting apparatus, a control method of a radiation imaging apparatus and a radiation imaging apparatus are provided. The control method of the radiation imaging apparatus includes performing prior information acquisition by obtaining at least one correction threshold energy, at which a theoretical radiation intensity of at least one threshold energy is measured, and performing radiation image acquisition by obtaining at least one radiation image at the at least one threshold energy using the at least one correction threshold energy. | 11-14-2013 |
20130301799 | X-RAY IMAGING APPARATUS AND CONTROL METHOD THEREFOR - Disclosed herein are an X-ray imaging apparatus for forming an X-ray image having reduced noise by correcting errors according to characteristics of each of a plurality of pixels and a control method therefor. The X-ray imaging apparatus includes an X-ray generator to generate X-rays and irradiate the generated X-rays, an X-ray detector to detect the irradiated X-rays and output X-ray data by counting the number of photons having an energy that is equal to or greater than threshold energy among photons contained in the detected X-rays, for each of a plurality of pixels; a function acquisition unit to acquire calibration functions for the respective pixels using X-ray data output for a plurality of predesigned phantoms, and an image correction unit to correct an X-ray image of an object on a per pixel basis using the acquired calibration functions. | 11-14-2013 |
20140016751 | X-RAY IMAGING APPARATUS, REMOTE CONTROLLER FOR X-RAY IMAGING APPARATUS, AND CONTROL METHOD FOR X-RAY IMAGING APPARATUS - Disclosed are an X-ray imaging apparatus, a remote controller for the X-ray imaging apparatus, and a control method for the X-ray imaging apparatus. The X-ray imaging apparatus includes a movable X-ray emitter to emit X-rays to a subject, a movable X-ray detector to detect X-rays emitted from the X-ray emitter and change the X-rays into electric signals, an input unit to receive target position information regarding at least one of the X-ray emitter and the X-ray detector, and a controller to control movements of the X-ray emitter and the X-ray detector according to the input target position information. | 01-16-2014 |
20140185758 | APPARATUS AND METHOD FOR INCREASING ENERGY DIFFERENCE IN MULTI-ENERGY X-RAY (MEX) IMAGES - An apparatus for acquiring a MEX image includes an X-ray source to generate and irradiate a multi-peak X-ray spectrum onto an object, and an energy identifying detector to obtain a MEX generated when the irradiated multi-peak X-ray spectrum passes through an object. | 07-03-2014 |
20140341336 | X-RAY IMAGING APPARATUS AND CONTROL METHOD FOR THE SAME - An X-ray imaging apparatus and method for controlling the X-ray imaging apparatus are provided. The X-ray imaging apparatus includes an X-ray source configured to generate and emit X-rays onto an object, an X-ray detector configured to detect the X-rays transmitted through the object and convert the X-rays into an electrical signal, a heating portion located at an upper portion of the X-ray detector configured to contact a lower part of the object, a heat transfer portion configured to transfer heat produced in the X-ray source to the heating portion, and a thermal insulation member located between the X-ray detector and the heating portion configured to block heat from being transferred to the X-ray detector. | 11-20-2014 |
20140355739 | RADIOGRAPHIC IMAGING APPARATUS AND RADIOGRAPHIC IMAGE GENERATION METHOD - The radiographic image generation method includes acquiring a plurality of radiographic images corresponding to the number of radiation dose portions by emitting radiation to an object by dividing a radiation exposure dose into the radiation dose portions, and by detecting the emitted radiation, and matching the plurality of acquired radiographic images. | 12-04-2014 |
20140369472 | X-RAY IMAGING APPARATUS AND CONTROL METHOD THEREOF - An X-ray imaging apparatus and control method for the X-ray imaging apparatus are provided. The X-ray imaging apparatus includes an X-ray source to generate X-ray beams, and to irradiate the X-ray beams onto an object; a first X-ray detector configured to detect X-ray beams transmitted through the object and generate a first phase contrast signal; an X-ray obtainer including an X-ray collimator and a second X-ray detector, wherein the X-ray collimator is spaced apart from the object by a predetermined distance, and configured to focus the X-ray beams transmitted through the object, and wherein the second X-ray detector is configured to detect the focused X-ray beams and generate a second phase contrast signal based on the detected X-ray beams; and an image processor configured to create a phase contrast image and an absorption image of the object. | 12-18-2014 |
20150063528 | X-RAY IMAGING APPARATUS AND METHOD OF CONTROLLING THE SAME - Disclosed herein are an X-ray imaging apparatus and a method for controlling the same. The X-ray imaging apparatus includes an X-ray generator configured to radiate first-energy X-rays toward an object, an X-ray detector configured to detect the first-energy X-rays which propagate through the object, an image processor configured to generate a first object image which correspond to the detected first-energy X-rays and to estimate a second object image which corresponds to second-energy X-rays based on the generated first object image, and a controller configured to control the image processor to repeatedly estimate the second object image by controlling the X-ray generator to repeatedly radiate the first-energy X-rays toward the object. | 03-05-2015 |
20150063537 | X-RAY IMAGING APPARATUS AND CONTROL METHOD THEREOF - Disclosed herein is an X-ray imaging apparatus including: an X-ray generator including a first X-ray source configured to irradiate a first X-ray onto an object, and at least one second X-ray source spaced apart from the first X-ray source and configured to irradiate at least one second X-ray onto the object; an X-ray detector configured to detect the first X-ray which has propagated through the object and the at least one second X-ray which has propagated through the object; and an image processor configured to produce a first X-ray image of the object based on the detected first X-ray, to produce at least one second X-ray image of the object based on the detected at least one second X-ray, and to produce a stereoscopic image of the object based on the first X-ray image and the at least one second X-ray image. | 03-05-2015 |