公开(公告)号：US09058682B2

公开(公告)日：2015-06-16

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: G06K9/00 ,  G06T17/00 ,  G06T11/00 ,  A61B6/02 ,  A61B6/03 ,  A61B6/00

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：US09439614B2

公开(公告)日：2016-09-13

申请号：US14055361

申请日：2013-10-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kwang Eun Jang ,  Young Hun Sung ,  Jae Hak Lee ,  Jong Ha Lee

IPC: A61B6/04 ,  A61B6/00 ,  A61B6/03

CPC classification number: A61B6/502 ,  A61B6/03 ,  A61B6/488 ,  A61B6/542

Abstract: 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.

Abstract translation: 公开了一种X射线成像装置，其包括被配置为向被摄体发射X射线的多个X射线产生模块，所述X射线产生模块被配置为彼此独立地移动，X射线检测器配置 检测从多个X射线产生模块发射并穿过被摄体的多个X射线，以及被配置为从多个检测到的X射线获取多个X射线图像的图像处理器。

公开(公告)号：US09057678B2

公开(公告)日：2015-06-16

申请号：US13679787

申请日：2012-11-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jae Hak Lee ,  Jong Ha Lee ,  Sung Cheol Kim ,  Young Hun Sung ,  Kang Eui Lee ,  Kwang Eun Jang

IPC: G01N23/04

CPC classification number: G01N23/04 ,  G01N23/046 ,  G01N2223/419

Abstract: 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.

Abstract translation: 提供了使用实时反馈的非顺序扫描方案的图像重建系统，装置和方法。 投影信息生成单元被配置为通过在至少一个视点中照射到对象的X射线来生成至少一条投影信息。 投影信息比较单元被配置为将预测的中间投影信息与所生成的投影信息的测量的中间投影信息进行比较。 根据从不同视点生成的投影信息预测预测中间投影信息，并且在与预测中间投影信息对应的中间视点中测量测量的中间投影信息。 确定单元被配置为在另外的视点中确定是否向所述对象照射所述X射线。 图像重建单元被配置为重建所生成的投影信息，并且获取表示对象的图像。

公开(公告)号：US09386956B2

公开(公告)日：2016-07-12

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: G06T15/00 ,  A61B6/02 ,  A61B6/04 ,  A61B6/00 ,  G06T11/00

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：US08842899B2

公开(公告)日：2014-09-23

申请号：US13971009

申请日：2013-08-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kwang Eun Jang ,  Young Hun Sung ,  Jong Ha Lee ,  Seok Min Han ,  Dong-Goo Kang ,  Kang Eui Lee

IPC: G06K9/00 ,  G06T11/00

CPC classification number: G06T11/003 ,  G06T11/005 ,  G06T2211/408

Abstract: A method and apparatus for reconstructing an image and a medical image system are provided. An image reconstruction processing method may include acquiring an initial value with respect to a tomographic image of an object to be inspected, initializing an auxiliary variable, acquiring one or both of a weighted value and an error value, based on a measured value, transforming a measured image signal, updating the auxiliary variable using a transform coefficient used to transform the measured image signal, and updating the measured value using the updated auxiliary variable, and one or both of the acquired weighted value and the error value.

Abstract translation: 提供了一种用于重建图像和医学图像系统的方法和装置。 图像重建处理方法可以包括获取关于待检查对象的断层图像的初始值，初始化辅助变量，基于测量值来获取加权值和误差值中的一个或两者， 测量图像信号，使用用于变换测量图像信号的变换系数来更新辅助变量，以及使用更新的辅助变量以及获取的加权值和误差值中的一个或两个来更新测量值。

公开(公告)号：US09237871B2

公开(公告)日：2016-01-19

申请号：US14045924

申请日：2013-10-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kang Eui Lee ,  Jong Ha Lee ,  Kwang Eun Jang ,  Young Hun Sung

IPC: A61B6/00 ,  A61B6/02

CPC classification number: A61B6/022 ,  A61B6/025 ,  A61B6/4241 ,  A61B6/461 ,  A61B6/482 ,  A61B6/5205 ,  A61B6/5223

Abstract: An X-ray imaging apparatus includes an X-ray emitter that emits X-rays to an object at a plurality of positions; a detector that detects X-rays having passed through the object and converts the detected X-rays into electric signals; and an image processor that is configured to generate X-ray images at the plurality of positions by reading out the electric signals, acquire volume data of the object using the X-ray images, and reproject the acquired volume data by using different bands of energy spectrums to acquire reconstructed reprojection images of different energy bands.

Abstract translation: X射线成像装置包括：X射线发射体，其在多个位置向对象发射X射线; 检测器，其检测已经穿过物体的X射线并将检测到的X射线转换成电信号; 以及图像处理器，被配置为通过读出电信号在多个位置生成X射线图像，使用X射线图像获取对象的体数据，并且通过使用不同的能量带重新投影所获取的体积数据 光谱以获得不同能带的重建重投影图像。

公开(公告)号：US09232923B2

公开(公告)日：2016-01-12

申请号：US14132935

申请日：2013-12-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae Hak Lee ,  Young Hun Sung ,  Kang Eui Lee ,  Jong Ha Lee ,  Kwang Eun Jang

IPC: A61B6/00 ,  A61B6/02

CPC classification number: A61B6/022 ,  A61B6/025 ,  A61B6/027 ,  A61B6/5205

Abstract: 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.

Abstract translation: 本文公开了一种X射线成像装置。 所述X射线摄像装置具有至少一个被配置为在多个X射线发射位置对X射线照射物体的X射线发射体，X射线检测器被配置为检测X射线，X射线检测器 由X射线发射器发射并将检测到的X射线转换为电信号;以及图像处理器，被配置为从所生成的X射线发射位置获取分别对应于X射线发射位置的多个原始X射线图像 并且基于原始X射线图像中的至少两个来估计在位于多个X射线发射位置中的至少两个之间的X射线发射位置处可获取的虚拟X射线图像。

公开(公告)号：US09173616B2

公开(公告)日：2015-11-03

申请号：US14030257

申请日：2013-09-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kang Eui Lee ,  Jong Ha Lee ,  Kwang Eun Jang ,  Young Hun Sung

IPC: A61B6/02 ,  G06T11/00 ,  G06T15/08

CPC classification number: A61B6/022 ,  G06T11/008 ,  G06T15/08 ,  G06T2211/436

Abstract: Provided is a method and apparatus for providing a three-dimensional (3D) image. A plurality of first projection images may be created by detecting X-rays which are emitted toward an object at different angles. A plurality of second projection images with respect to a partial volume of the object may be created by applying a forward projection and interpolation to at least one of the plurality of first projection images. A left image and a right image may be selected from among the plurality of second projection images, and the selected left image and right image may be displayed for a user as a 3D projection image.

Abstract translation: 提供了一种用于提供三维（3D）图像的方法和装置。 可以通过检测以不同角度朝向物体发射的X射线来创建多个第一投影图像。 可以通过向多个第一投影图像中的至少一个应用向前投影和内插来创建关于物体的部分体积的多个第二投影图像。 可以从多个第二投影图像中选择左图像和右图像，并且可以为用户显示所选择的左图像和右图像作为3D投影图像。

公开(公告)号：US09113792B2

公开(公告)日：2015-08-25

申请号：US13940683

申请日：2013-07-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kwang Eun Jang ,  Jong Ha Lee ,  Young Hun Sung ,  Kang Eui Lee ,  Jae Hak Lee

IPC: A61B6/02 ,  G06K9/46 ,  G06K9/78 ,  G06K9/80 ,  A61B6/00 ,  G06K9/62 ,  A61B6/04 ,  G06T7/00

CPC classification number: A61B6/022 ,  A61B6/025 ,  A61B6/0414 ,  A61B6/488 ,  A61B6/502 ,  A61B6/5217 ,  A61B6/5235 ,  A61B6/5252 ,  G06K9/46 ,  G06K9/6217 ,  G06K9/629 ,  G06K9/78 ,  G06K9/80

Abstract: 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.

Abstract translation: 提供一种X射线成像方法和装置，用于形成具有降低的噪声并且显示病变区域的清晰边界的X射线图像。 X射线成像方法包括：通过使用X射线至少一次使用X射线照射处于压缩状态的物体以获得单个二维图像的第一主镜头，执行使用X射线照射物体的第二主镜头， 以获得多个二维图像，并且通过从多个二维图像中的每一个去除具有不清楚边界的病变区域并且替换单个二维图像的损伤区域来形成二维最终图像 维数图像进入对应于去除的病变区域的区域。