Method and apparatus for reconstructing image and medical image system employing the method
    11.
    发明授权
    Method and apparatus for reconstructing image and medical image system employing the method 有权
    采用该方法重建图像和医学图像系统的方法和装置

    公开(公告)号:US08842899B2

    公开(公告)日:2014-09-23

    申请号:US13971009

    申请日:2013-08-20

    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。

    X-ray imaging apparatus and control method thereof

    公开(公告)号:US11064958B2

    公开(公告)日:2021-07-20

    申请号:US15879352

    申请日:2018-01-24

    Abstract: The present disclosure provides an X-ray imaging apparatus and control method thereof, for guiding the user to intuitively recognize an actual dose of X-rays and select a proper dose, ultimately a condition for low dose of X-ray irradiation by providing the user with information about an actual X-ray dose to which an X-ray filter effect is reflected. In accordance with an aspect of the disclosure, an X-ray imaging apparatus includes: an X-ray source configured to generate and irradiate X-rays according to an X-ray irradiation condition including at least one of a tube voltage, a tube current, or a filter; a display configured to provide a graphic user interface to receive a choice about the X-ray irradiation condition; and a controller configured to obtain a parameter that represents a dose of radiation, to which an influence of the filter is reflected, based on the selected X-ray irradiation condition and control the display to display the parameter.

    X-ray imaging apparatus and control method for the same

    公开(公告)号:US10092261B2

    公开(公告)日:2018-10-09

    申请号:US14286260

    申请日:2014-05-23

    Abstract: Provided is an X-ray imaging apparatus including an X-ray source to emit an X-ray onto a breast, a detector assembly configured to detect the X-ray transmitted through the breast, a compression paddle configured to compress the breast positioned on the detector assembly, a paddle manipulator configured to control the compression paddle according to a command, a degree-of-compression sensor configured to measure a degree of compression to which the breast is compressed by the compression paddle, and a pressure controller configured to supply a pressure corresponding to the measured degree of compression of the breast to the paddle manipulator.

    X-ray imaging apparatus and control method thereof
    14.
    发明授权
    X-ray imaging apparatus and control method thereof 有权
    X射线成像装置及其控制方法

    公开(公告)号:US09456795B2

    公开(公告)日:2016-10-04

    申请号:US14452734

    申请日:2014-08-06

    Abstract: An X-ray imaging apparatus automatically distinguishes between right and left breasts during mammography. The X-ray imaging apparatus includes: an X-ray assembly configured to press a breast, irradiate X-rays onto the pressed breast, and detect X-rays transmitted through the breast; two handles respectively provided in both sides of the X-ray assembly so that a patient is able to grip the handles, each handle including a sensor for detecting the patient's grip; and a controller configured to determine a position of a handle including the sensor that has detected the patient's grip, and to determine that a breast subject to mammography is a breast corresponding to the determined position.

    Abstract translation: X射线成像装置在乳房X线照相术期间自动区分右乳房和左乳房。 X射线成像装置包括:X射线组件,被配置为按压乳房,将X射线照射到被压靠的乳房上,并检测透过乳房的X射线; 两个手柄分别设置在X射线组件的两侧,使得患者能够握住手柄,每个手柄包括用于检测患者握持的传感器; 以及控制器,被配置为确定包括已经检测到患者握持的传感器的手柄的位置,并且确定经受乳房X线照相术的乳房是对应于所确定的位置的乳房。

    X-ray imaging apparatus, X-ray detection device, and X-ray image generation method
    15.
    发明授权
    X-ray imaging apparatus, X-ray detection device, and X-ray image generation method 有权
    X射线摄像装置,X射线检测装置,X射线图像生成方法等

    公开(公告)号:US09237871B2

    公开(公告)日:2016-01-19

    申请号:US14045924

    申请日:2013-10-04

    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。

    X-ray imaging apparatus and X-ray image processing method
    16.
    发明授权
    X-ray imaging apparatus and X-ray image processing method 有权
    X射线成像设备和X射线图像处理方法

    公开(公告)号:US09232923B2

    公开(公告)日:2016-01-12

    申请号:US14132935

    申请日:2013-12-18

    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。

    Method and apparatus for providing three-dimensional (3D) image
    17.
    发明授权
    Method and apparatus for providing three-dimensional (3D) image 有权
    用于提供三维(3D)图像的方法和装置

    公开(公告)号:US09173616B2

    公开(公告)日:2015-11-03

    申请号:US14030257

    申请日:2013-09-18

    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。

    Method and apparatus for forming X-ray mammogram
    18.
    发明授权
    Method and apparatus for forming X-ray mammogram 有权
    用于形成X射线乳房X线照片的方法和装置

    公开(公告)号:US09113792B2

    公开(公告)日:2015-08-25

    申请号:US13940683

    申请日:2013-07-12

    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。

Patent Agency Ranking