公开(公告)号：US20150243070A1

公开(公告)日：2015-08-27

申请号：US14629078

申请日：2015-02-23

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jong Beom RA ,  Seungeon KIM ,  Kyoung-yong LEE ,  Toshihiro RIFU ,  Jong-hyon YI ,  Iljun AHN ,  Yongjin CHANG

IPC: G06T15/08 ,  G06T13/20 ,  G06T7/20 ,  G06T7/00 ,  A61B6/03 ,  A61B6/00

CPC classification number: G06T15/08 ,  A61B6/032 ,  A61B6/4078 ,  A61B6/4085 ,  A61B6/463 ,  A61B6/466 ,  A61B6/469 ,  A61B6/486 ,  A61B6/503 ,  A61B6/504 ,  A61B6/5205 ,  A61B6/5217 ,  A61B6/5264 ,  A61B6/5288 ,  A61B6/541 ,  A61B6/563 ,  G06T7/20 ,  G06T11/005 ,  G06T13/20 ,  G06T2207/10081 ,  G06T2211/412 ,  G06T2211/421 ,  G06T2215/16

Abstract: A tomography apparatus includes a data acquirer which acquires a first image which corresponds to a first time point and a second image which corresponds to a second time point by performing a tomography scan on an object; an image reconstructor which acquires first information which relates to a relationship between a motion amount of the object and the time based on a motion amount between the first image and the second image, predicts a third image which corresponds to a third time point between the first and second time points based on the first information, corrects the first information by using the predicted third image and measured data which corresponds to the third time point, and reconstructs the third image by using the corrected first information; and a display which displays the reconstructed third image.

Abstract translation: 断层摄影装置包括通过对物体进行断层摄影扫描来获取对应于第一时间点的第一图像和对应于第二时间点的第二图像的数据获取器; 基于第一图像和第二图像之间的运动量获取与物体的运动量与时间之间的关系相关的第一信息的图像重建器，预测与第一图像之间的第三时间点对应的第三图像 和基于第一信息的第二时间点，通过使用预测的第三图像和对应于第三时间点的测量数据来校正第一信息，并且通过使用校正的第一信息来重构第三图像; 以及显示重建的第三图像的显示器。

公开(公告)号：US20160157812A1

公开(公告)日：2016-06-09

申请号：US14851098

申请日：2015-09-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ji-young JUNG ,  Toshihiro RIFU ,  Gun-woo LEE ,  Jong-hyon YI ,  Chang-lae LEE

IPC: A61B6/00 ,  A61B6/03 ,  G06F3/0484

CPC classification number: A61B6/542 ,  A61B6/027 ,  A61B6/032 ,  A61B6/461 ,  A61B6/488 ,  A61B6/5211 ,  G06F3/04842

Abstract: An apparatus and a method of processing a medical image are provided. The apparatus is configured to generate a cross-sectional image of an object by transmitting X-rays through a region of the object, and includes an X-ray generator configured to generate the X-rays. The apparatus further includes a controller configured to determine sub-regions included in the region, based on positions of body parts included in the region, determine image qualities of the sub-regions based on types of the body parts included in the sub-regions, control doses of the X-rays based on the image qualities, and control the X-ray generator to transmit the controlled X-rays to the region.

Abstract translation: 提供了一种处理医学图像的装置和方法。 该装置被配置为通过将X射线穿过物体的区域产生物体的横截面图像，并且包括被配置为产生X射线的X射线发生器。 该装置还包括：控制器，被配置为基于包括在该区域中的身体部位的位置来确定包括在该区域中的子区域，基于包括在子区域中的身体部位的类型来确定子区域的图像质量， 基于图像质量控制X射线剂量，并控制X射线发生器将受控X射线传输到该区域。

公开(公告)号：US20180211420A1

公开(公告)日：2018-07-26

申请号：US15745706

申请日：2016-03-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sang-wook YOO ,  Jae-guyn LIM ,  Hyo-geun KIM ,  Jong-hyon YI ,  Gun-woo LEE

IPC: G06T11/00 ,  A61B6/00

CPC classification number: G06T11/006 ,  A61B6/00 ,  A61B6/03 ,  A61B6/032 ,  A61B6/5258 ,  A61B6/5264 ,  G06T5/003 ,  G06T11/005 ,  G06T2207/10081

Abstract: A tomography apparatus is provided that include a controller configured to acquire a point spread function (PSF) map representing a PSF that varies according to a position in a field of view (FOV) created within a gantry, and an image processor configured to acquire a final tomography image by deblurring a tomography image based on the acquired PSF map.

公开(公告)号：US20170206681A1

公开(公告)日：2017-07-20

申请号：US15339067

申请日：2016-10-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ki-hwan CHOI ,  Seok-min HAN ,  Sang-wook YOO ,  Jong-hyon YI

IPC: G06T11/00 ,  G06T7/00 ,  A61B6/00

CPC classification number: G06T11/003 ,  A61B6/5205 ,  A61B2576/00 ,  G06T7/0012 ,  G06T11/006 ,  G06T2207/10081

Abstract: A tomography method for generating a computed tomography (CT) image, including generating a first tomography image based on first raw data corresponding to a received X-ray comprising acquired photons; determining second raw data by generating a second tomography image having an increased resolution in comparison with the first tomography image and performing forward projection on the second tomography image; determining third raw data based on a first parameter, the first raw data, and the second raw data; and generating a third tomography image based on the third raw data, wherein the determining of the third raw data may be based on information about a distribution of the acquired photons, the information being included in at least one from among the first raw data and the second raw data.

公开(公告)号：US20160350916A1

公开(公告)日：2016-12-01

申请号：US15167003

申请日：2016-05-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ji-young JUNG ,  Jong-hyon YI ,  Min-kyu SUN

IPC: G06T7/00 ,  A61B6/00 ,  A61B6/03 ,  G06T11/00 ,  G06T11/20

CPC classification number: G06T7/0012 ,  A61B6/032 ,  A61B6/481 ,  A61B6/508 ,  A61B6/54 ,  A61B6/583 ,  G06T11/003 ,  G06T11/006 ,  G06T11/206 ,  G06T2207/10016 ,  G06T2207/10081 ,  G06T2211/436

Abstract: A tomography apparatus includes an image processor configured to obtain a first image, which is a partial image of an object, by using data obtained from a first angle section corresponding to a first point, and to obtain a second image, which is a partial image of the object, by using data obtained from a second angle section corresponding to a second point subsequent to the first point; and a controller configured to obtain first information representing a brightness change, to obtain second information representing a rate of change in a Hounsfield unit (HU) value between the first point and the second point based on the first information, and to determine a tomography start point of the object based on the second information.

Abstract translation: 断层摄影装置包括图像处理器，被配置为通过使用从对应于第一点的第一角度部分获得的数据获得作为对象的部分图像的第一图像，并且获得作为部分图像的第二图像 通过使用从与第一点之后的第二点对应的第二角度部分获得的数据; 以及控制器，其被配置为获得表示亮度变化的第一信息，以基于所述第一信息获得表示所述第一点和所述第二点之间的Hounsfield单位（HU）值的变化率的第二信息，并且确定断层摄影开始 基于第二信息的对象点。

公开(公告)号：US20160300370A1

公开(公告)日：2016-10-13

申请号：US15084709

申请日：2016-03-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sang-wook YOO ,  Ajay NARAYANAN ,  Toshihiro RIFU ,  Gun-woo LEE ,  Jong-hyon YI

IPC: G06T11/00 ,  G06T7/20 ,  G06T7/00

CPC classification number: G06T11/006 ,  G06T5/003 ,  G06T11/005 ,  G06T2207/10081 ,  G06T2207/20201 ,  G06T2211/412

Abstract: A tomography apparatus includes a data acquirer configured to obtain a first partial image and a second partial image of an object based on data that is obtained respectively at a first angular section corresponding to a first time and at a second angular section corresponding to a second time during a tomography scan of the object that is moving, a controller configured to determine first information indicating a motion amount of the object in a first area of an entire image based on the first partial image and the second partial image, and determine second information indicating a degree of blur of a point included in the object in the first area based on the first information, and an image processor configured to correct the first area based on the first information and the second information, and output a tomography image based on the corrected first area.

Abstract translation: 断层摄影装置包括：数据获取装置，被配置为基于分别在对应于第一时间的第一角度部分获得的数据获得对象的第一部分图像和第二部分图像，以及对应于第二时间的第二角度部分 在正在移动的对象的层析成像扫描期间，控制器被配置为基于第一部分图像和第二部分图像来确定指示整个图像的第一区域中的对象的运动量的第一信息，并且确定指示 基于第一信息，包含在第一区域中的对象中的点的模糊度，以及被配置为基于第一信息和第二信息来校正第一区域的图像处理器，并且基于经校正的图像输出断层图像 第一区。

公开(公告)号：US20150223771A1

公开(公告)日：2015-08-13

申请号：US14620850

申请日：2015-02-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyoung-yong LEE ,  Dong-jin YANG ,  Jong-hyon YI

IPC: A61B6/00 ,  G06T11/00 ,  G06T7/00 ,  A61B6/03 ,  A61B5/0245

CPC classification number: A61B6/541 ,  A61B5/0044 ,  A61B5/0245 ,  A61B5/0452 ,  A61B6/027 ,  A61B6/032 ,  A61B6/463 ,  A61B6/466 ,  A61B6/488 ,  A61B6/503 ,  A61B6/5205 ,  A61B6/5217 ,  A61B6/5235 ,  A61B6/5264 ,  A61B6/5288 ,  A61B2576/023 ,  G06T7/0002 ,  G06T11/003 ,  G06T11/008 ,  G06T2200/04 ,  G06T2200/24 ,  G06T2207/10081 ,  G06T2207/30048 ,  G06T2211/412

Abstract: A tomography apparatus includes an image processor configured to reconstruct a tomography image by using pieces of image data that are acquired during partial periods included in a heartbeat period; and a display configured to display a screen image, which includes information representing the heartbeat period, and the reconstructed tomography image, and on which the partial periods and image sections corresponding to the partial periods are displayed in association with each other.

Abstract translation: 断层摄影装置包括图像处理器，被配置为通过使用在心跳周期中包括的部分时段期间获取的图像数据来重建断层摄影图像; 以及显示器，其被配置为显示包括表示心跳周期的信息的屏幕图像和重建的断层摄影图像，并且在其上显示与部分周期相对应的部分周期和图像部分。