Patent application number | Description | Published |
20120231339 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed are a negative active material for a rechargeable lithium battery including lithium silicide having a I41-a crystalline phase structure, a method of manufacturing the same, and a rechargeable lithium battery including the same. | 09-13-2012 |
20130177213 | APPARATUS AND METHOD FOR VIRTUAL VIEW GENERATION ON MULTI-VIEW IMAGE RECONSTRUCTION SYSTEM - 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. | 07-11-2013 |
20130195241 | IMAGE RECONSTRUCTION SYSTEM, APPARATUS, AND METHOD EMPLOYING NON-SEQUENTIAL SCANNING SCHEME USING REAL-TIME FEEDBACK - An image reconstruction system, apparatus, and method employing a non-sequential scanning scheme using real-time feedback are provided. A projection information generating unit is configured to generate at least one piece of projection information by the X-ray irradiated to the object in the at least one viewpoint. A projection information comparing unit is configured to compare predicted intermediate projection information with measured intermediate projection information from the generated projection information. The predicted intermediate projection information is predicted from pieces of projection information generated from different viewpoints, and the measured intermediate projection information is measured in an intermediate viewpoint corresponding to the predicted intermediate projection information. A determining unit is configured to determine whether to irradiate the X-ray to the object in an additional viewpoint. An image reconstructing unit is configured to reconstruct the generated projection information, and to acquire an image representing the object. | 08-01-2013 |
20130343510 | METHOD OF RECONSTRUCTING IMAGE FOR POLYCHROMATIC X-RAY TOMOGRAPHY - Disclosed herein is a method for reconstructing an X-ray image, including selecting an initial value of a reconstruction value of an internal tissue of a target object, inserting the reconstruction value into a first relationship function to calculate simulation data of measurement data which is detected from X-rays which have passed through the target object, inserting the detected measurement data and the calculated simulation data into a first expression and a second expression for respectively determining a first constant and second constant as coefficients of a second relationship function of a relationship between the measurement data and the simulation data, in order to calculate the first constant and the second constant, and inserting the first constant and the second constant into a third relationship function which relates to the first constant and second constant and the reconstruction value in order to update the reconstruction value. | 12-26-2013 |
20140072100 | METHOD AND APPARATUS FOR FORMING X-RAY MAMMOGRAM - An X-ray imaging method and apparatus are provided for forming an X-ray image having reduced noise and showing a clear boundary of a lesion region. The X-ray imaging method includes performing a first main shot which irradiates an object in a compressed state by using X-rays at least once to obtain a single two-dimensional image, performing a second main shot which irradiates the object by using X-rays at different positions to obtain a plurality of two-dimensional images, and forming a two-dimensional final image by removing a lesion region having a unclear boundary from each of the plurality of two-dimensional images and substituting a lesion region of the single two-dimensional image into an area which corresponds to the removed lesion region. | 03-13-2014 |
20140112434 | X-RAY GENERATION MODULE, X-RAY IMAGING APPARATUS, AND X-RAY IMAGING METHOD - Disclosed is an X-ray imaging apparatus, which includes a plurality of X-ray generation modules configured to emit X-rays to a subject, the X-ray generation modules being configured to move independently of one another, an X-ray detector configured to detect a plurality of X-rays emitted from the plurality of X-ray generation modules and which have passed through the subject, and an image processor configured to acquire a plurality of X-ray images from the plurality of detected X-rays. | 04-24-2014 |
20140133626 | X-RAY IMAGING APPARATUS AND X-RAY IMAGING METHOD - The X-ray imaging method includes setting imaging conditions according to characteristics of an object and performing X-ray imaging of the object based on the set imaging conditions. The imaging conditions include at least one of an imaging angle, a number of imaging operations, and an imaging position. | 05-15-2014 |
20140185738 | X-RAY IMAGING APPARATUS AND X-RAY IMAGE PROCESSING METHOD - Disclosed herein is an X-ray imaging apparatus. The X-ray imaging apparatus includes at least one X-ray emitter which is configured to irradiate an object with X-rays at a plurality of X-ray emission positions, an X-ray detector which is configured to detect X-rays which are emitted by the X-ray emitter and to convert the detected X-rays into an electric signal, and an image processor which is configured to acquire a plurality of original X-ray images which respectively correspond to the X-ray emission positions from the generated electric signal and to estimate a virtual X-ray image which is acquirable at an X-ray emission position located between at least two of the plurality of X-ray emission positions, based on at least two of the original X-ray images. | 07-03-2014 |
20140185749 | X-RAY IMAGING APPARATUS, X-RAY IMAGE GENERATION METHOD, AND 3D IMAGING APPARATUS - 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. | 07-03-2014 |
20140309518 | MEDICAL IMAGING APPARATUS, CONTROL METHOD THEREOF, AND IMAGE PROCESSING APPARATUS FOR THE SAME - Provided is a medical imaging apparatus including a scanner configured to acquire projection data of an object, a three dimensional (3D) recovery module configured to recover a volume of the object based on the projection data, a two dimensional (2D) image generator configured to generate a 2D image of the object based on the volume of the object, a 3D image generator configure to generate a 3D image of the object based on the volume of the object, a 2D display configured to display the 2D image of the object, and a 3D display configured to display the 3D image of the object. | 10-16-2014 |
20140328530 | MEDICAL IMAGING APPARATUS AND METHOD OF CONTROLLING THE SAME - Provided is a medical imaging apparatus including: a scanner configured to obtain projection data of an object; a three-dimensional restoring module configured to restore a volume of the object based on the projection data; a volume segmentation module configured to segment a plurality of material volumes corresponding to a plurality of materials included in the object based on the volume of the object; a reprojection module configured to generate a plurality of reprojection images according to the plurality of materials by reprojecting the plurality of material volumes from a plurality of virtual viewpoints; and an image fusion module configured to generate a plurality of fusion images according to the plurality of virtual viewpoints, each of the plurality of fusion images being generated by fusing reprojection images according to plurality of materials obtained from the same virtual viewpoint. | 11-06-2014 |
20140328531 | MEDICAL IMAGING APPARATUS AND METHOD OF CONTROLLING THE SAME - A medical imaging apparatus includes: a scanner configured to obtain projection data of an object; a three-dimensional restorer configured to restore a volume of the object from the projection data; a volume segmentor configured to generate at least one partial volume based on the volume of the object; a reprojector configured to generate a plurality of reprojection images according to a plurality of virtual viewpoints by reprojecting at least one from among the volume and the at least one partial volume from the plurality of virtual viewpoints; and an image fuser configured to generate a plurality of fusion images by fusing at least two of the plurality of reprojection images according to the virtual viewpoints. | 11-06-2014 |
20140369464 | X-RAY IMAGING APPARATUS AND CONTROL METHOD THEREOF - Disclosed herein are an X-ray imaging apparatus and a control method thereof in which a clear 3D volume of an object may be acquired when the 3D volume of the object is reconstructed from X-ray images acquired by radiating X-rays to the object. The X-ray imaging apparatus includes an image processing unit configured to acquire a plurality of X-ray images of an object from converted electrical signals, group the plurality of X-ray images into groups of X-ray images acquired from the same cardiac phase, and perform image reconstruction of each of the groups acquired as a result of the grouping. | 12-18-2014 |
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 |