公开(公告)号：US20150139394A1

公开(公告)日：2015-05-21

申请号：US14547559

申请日：2014-11-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dong-Goo KANG ,  Sunghoon KANG ,  Young Hun SUNG ,  Jaemock YI ,  Jae Hak LEE ,  Seokmin HAN

IPC: A61B6/00

CPC classification number: A61B6/5211 ,  A61B6/06 ,  A61B6/12 ,  A61B6/4035 ,  A61B6/469 ,  A61B6/487 ,  A61B6/504 ,  A61B6/542

Abstract: An X-ray imaging apparatus includes an X-ray source configured to radiate X-rays onto an object region, an X-ray detector configured to detect the radiated X-rays and obtain image frames of the object region based on the detected X-rays, and a filter configured to filter X-rays radiated from the X-ray source such that the X-rays incident on a region of interest (ROI) of the object region have a lower dose than a dose of X-rays incident on a non-ROI of the object region.

Abstract translation: X射线摄像装置包括被配置为将X射线照射到对象区域上的X射线源，X射线检测器，被配置为基于检测到的X射线检测被检测的X射线并获得对象区域的图像帧， 以及被配置为过滤从X射线源辐射的X射线的过滤器，使得入射在目标区域的感兴趣区域（ROI）上的X射线具有比入射到X射线的X射线的剂量更低的剂量 对象区域的非ROI。

公开(公告)号：US20140332671A1

公开(公告)日：2014-11-13

申请号：US14271787

申请日：2014-05-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kang Ho LEE ,  Young KIM ,  Jin Myoung KIM ,  Young Hun SUNG

IPC: H03F3/08

CPC classification number: H03F3/08

Abstract: The photon counting controller includes an amplification controller to charge an input electrical signal, to amplify the input electrical signal, and to discharge the charged electrical signal, a charge controller to control a charge and a discharge of the electrical signal of the amplification controller based on a received feedback signal, and a measuring controller to compare voltage of the amplified electrical signal with reference voltage and to count photons based on a result of comparison.

Abstract translation: 光子计数控制器包括放大控制器，用于对输入电信号进行充电，放大输入电信号并对充电的电信号进行放电，充电控制器控制放大控制器的电信号和放电，基于 接收到的反馈信号，以及测量控制器，用于将放大的电信号的电压与参考电压进行比较，并根据比较结果对光子进行计数。

公开(公告)号：US20140328530A1

公开(公告)日：2014-11-06

申请号：US14269231

申请日：2014-05-05

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  SAMSUNG LIFE PUBLIC WELFARE FOUNDATION

Inventor： Jae Hak LEE ,  Young Hun SUNG ,  Ho Young LEE ,  Myung Jin CHUNG

IPC: G06T11/00 ,  G06T15/08 ,  G06T19/20 ,  G06T7/00

CPC classification number: G06T7/0012 ,  G06T11/008 ,  G06T19/20 ,  G06T2207/10081 ,  G06T2207/10088 ,  G06T2207/10104 ,  G06T2207/10112 ,  G06T2211/408 ,  G06T2219/2012

Abstract: 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.

Abstract translation: 本发明提供一种医疗摄像装置，具备：扫描器，被配置为获得被摄体的投影数据; 三维恢复模块，被配置为基于所述投影数据恢复所述对象的体积; 体积分割模块，其被配置为基于所述对象的体积来分割对应于所述对象中包括的多个材料的多个材料体积; 重配置模块，被配置为通过从多个虚拟视点重新投射所述多个材料体积来生成根据所述多个材料的多个重投影图像; 以及图像融合模块，其被配置为根据所述多个虚拟视点生成多个融合图像，所述多个融合图像中的每一个通过根据从相同虚拟视点获得的多个材料融合再现投影图像来生成。

公开(公告)号：US20140185760A1

公开(公告)日：2014-07-03

申请号：US14100123

申请日：2013-12-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung Su KIM ,  Hyun Hwa OH ,  Dong Goo KANG ,  Sung Hoon KANG ,  Young Hun SUNG ,  Kang Eui LEE ,  Seok Min HAN

IPC: A61B6/00

CPC classification number: A61B6/5294 ,  A61B6/0414 ,  A61B6/4241 ,  A61B6/482 ,  A61B6/502 ,  A61B6/5258 ,  A61B6/583

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 translation: X射线成像装置包括：X射线发生器，用于产生和发射X射线; X射线检测器，用于检测所发射的X射线，并获取X射线数据;以及控制器，将X射线数据转换为 X射线特征坐标并根据测量数据和参考数据之间的关系估计X射线检测器的响应特征函数，测量数据和参考数据被转换成X射线特征坐标。

公开(公告)号：US20140185759A1

公开(公告)日：2014-07-03

申请号：US14069975

申请日：2013-11-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dong Goo KANG ,  Sung Hoon KANG ,  Young Hun SUNG ,  Hyun Hwa OH ,  Myung Jin CHUNG

IPC: G01N23/087

CPC classification number: G01T1/2018 ,  A61B6/4241 ,  A61B6/4291 ,  A61B6/482 ,  A61B6/502 ,  A61B6/5205 ,  G01N23/04 ,  G21K1/10

Abstract: Disclosed herein are an X-ray detection panel, an X-ray image generating module, an X-ray imaging apparatus, and a method of generating an X-ray image. The X-ray imaging apparatus includes an X-ray generator configured to emit X-rays; an X-ray detection panel comprising a plurality of pixel groups, each pixel group configured to detect X-rays having an energy band and to convert the detected X-rays into electrical signals; and an image processor configured to acquire readout data from the electrical signals of at least one of the plurality of pixel groups, to calculate estimated data, and to generate an X-ray image by combining the readout data and the estimated data.

Abstract translation: 这里公开了X射线检测面板，X射线图像生成模块，X射线摄像装置和X射线图像的生成方法。 X射线成像装置包括：X射线发生器，被配置为发射X射线; 包括多个像素组的X射线检测面板，每个像素组被配置为检测具有能带的X射线，并将检测到的X射线转换为电信号; 以及图像处理器，被配置为从所述多个像素组中的至少一个像素组的电信号获取读出数据，以计算估计数据，并且通过组合读出数据和估计数据来生成X射线图像。

公开(公告)号：US20140185750A1

公开(公告)日：2014-07-03

申请号：US14105455

申请日：2013-12-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young Hun SUNG ,  Kang Eui LEE

IPC: G01N23/04 ,  G06T15/00

CPC classification number: A61B6/022 ,  A61B6/4007 ,  A61B6/4405 ,  A61B6/482 ,  A61B6/502 ,  A61B6/5235 ,  G01N23/04 ,  G01N2223/414

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 translation: 本文公开了通过使用该装置产生立体图像的X射线成像装置和方法。 立体图像生成方法包括以第一发射角朝向目标物体发射第一X射线，检测已经通过目标物体传播的第一X射线以获取第一X射线图像，发射第二X射线 以与第一发射角不同的第二发射角朝向目标物体，检测已经通过目标物体传播的第二X射线，以获取至少第二X射线图像，并且生成立体图像 在第一X射线图像和至少第二X射线图像上。

公开(公告)号：US20140185749A1

公开(公告)日：2014-07-03

申请号：US14104295

申请日：2013-12-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae Hak LEE ,  Young Hun SUNG ,  Kang Eui LEE ,  Jong Ha LEE ,  Kwang Eun JANG

IPC: A61B6/02

CPC classification number: A61B6/025 ,  A61B6/0414 ,  A61B6/502 ,  A61B6/5205 ,  A61B6/588 ,  G06T11/006 ,  G06T11/008

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 translation: X射线成像装置包括：X射线源，其在不同的原始视点位置向对象发射X射线; X射线检测器，其通过检测穿过物体的X射线获取原始图像;以及 图像控制器，其从原始视图图像重建对象的3D体积图像表示，并且以比X之间的距离更短的距离将X射线虚拟地发射到对象的3D体积图像表示，并生成近视图像 -ray源和对象。

公开(公告)号：US20130343510A1

公开(公告)日：2013-12-26

申请号：US13926323

申请日：2013-06-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kwang Eun JANG ,  Young Hun SUNG ,  Jae Hak LEE ,  Jong Ha LEE

IPC: G06T7/00

CPC classification number: G06T7/0012 ,  G06T11/006 ,  G06T2211/408

Abstract: 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.

Abstract translation: 本文公开了一种重建X射线图像的方法，包括选择目标对象的内部组织的重建值的初始值，将重建值插入到第一关系函数中，以计算检测到的测量数据的模拟数据 从已经通过目标对象的X射线，将检测到的测量数据和所计算的仿真数据插入到第一表达式和第二表达式中，以分别确定第一常数和第二常数作为第二常数和第二常数之间的关系函数的系数 测量数据和模拟数据，以便计算第一常数和第二常数，以及将第一常数和第二常数插入与第一常数和第二常数和重构值相关的第三关系函数，以便 更新重建值。

公开(公告)号：US20130177213A1

公开(公告)日：2013-07-11

申请号：US13728338

申请日：2012-12-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae Hak LEE ,  Jong Ha LEE ,  Young Hun SUNG ,  Kang Eui LEE ,  Kwang Eun JANG

IPC: G06T17/00

CPC classification number: G06T17/00 ,  A61B6/025 ,  A61B6/03 ,  A61B6/5223 ,  G06T11/008 ,  G06T2211/412 ,  G06T2211/436

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.

Abstract translation: 提供了一种用于在使用多个视图的图像重建系统中生成虚拟视图的装置和方法。 在使用多个视图的图像重建系统中，虚拟视图生成装置可以接收通过原始图像向对象发射X射线而生成的原始视图投影图像，通过使用原始视图投影图像三维重建对象，生成 通过经由原始视图向重建的3D对象虚拟地发射X射线的原始视图再现投影图像，使用基于块的运动估计方案估计相对于至少两个原始视图重播投影图像的重建3D对象的运动，以及 通过使用与估计的运动相关的信息，相对于原始视野重播图像中的至少两个生成中间视图投影图像。

公开(公告)号：US20130148776A1

公开(公告)日：2013-06-13

申请号：US13680599

申请日：2012-11-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jong Ha LEE ,  Kyung Sang KIM ,  Young Hun SUNG ,  Jong Chul YE ,  Kwang Eun JANG

IPC: G01N23/04

CPC classification number: G01N23/046 ,  G06T11/006 ,  G06T2211/416 ,  G06T2211/424

Abstract: A method and apparatus for X-ray scattering estimation and reconstruction in a digital tomosynthesis system are provided. The apparatus includes a receiver which receives, through a wired or wireless network, X-ray penetration data generated by measuring an object, and a graphics processing unit (GPU) which acquires, from the received X-ray penetration data, a reconstructed image in which scattering is corrected.

Abstract translation: 提供了一种用于数字断层合成系统中的X射线散射估计和重建的方法和装置。 该装置包括：接收器，其通过有线或无线网络接收通过测量对象产生的X射线穿透数据;以及图形处理单元（GPU），其从所接收的X射线穿透数据中获取重建图像 哪些散射被校正。