X-ray imaging apparatus and control method thereof

    公开(公告)号:US09839405B2

    公开(公告)日:2017-12-12

    申请号:US14621451

    申请日:2015-02-13

    CPC classification number: A61B6/5217 A61B6/0414 A61B6/502 H04N5/32

    Abstract: Disclosed herein are an X-ray imaging apparatus for providing information about accurate breast density, and a control method of the X-ray imaging apparatus. The X-ray imaging apparatus includes a reconstructing unit configured to reconstruct volumes relating to an object from an X-ray image of the object, a first reference image of the object generated based on the object being of only adipose tissue, and a second reference image of the object generated based on the object being of only fibroglandular tissue, and a density calculator configured to calculate a density of the object that is a ratio of fibroglandular tissue of the object with respect to entire tissue of the object using the reconstructed volumes of the object.

    X-ray imaging apparatus and control method thereof
    63.
    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。

    Apparatus and method for spectrum estimation
    64.
    发明授权
    Apparatus and method for spectrum estimation 有权
    频谱估计的装置和方法

    公开(公告)号:US09448310B2

    公开(公告)日:2016-09-20

    申请号:US13890657

    申请日:2013-05-09

    Abstract: Provided is an apparatus for spectrum estimation. The apparatus includes a threshold setter which sets at least one threshold in order to separate a spectrum into at least one energy bin; a reference value setter which sets one of the at least one threshold as a reference threshold; a threshold adjuster which adjusts the at least one threshold based on a predetermined condition; a comparer which compares the reference threshold with the adjusted threshold; and an output unit which outputs a spectrum in which the adjusted threshold is set, when a value which is determined based on the comparison result corresponds to a predetermined maximum value.

    Abstract translation: 提供了一种用于频谱估计的装置。 该装置包括阈值设定器,其设置至少一个阈值以便将频谱分离成至少一个能量仓; 参考值设定器,其将所述至少一个阈值中的一个设置为参考阈值; 阈值调整器,其基于预定条件来调整所述至少一个阈值; 比较参考阈值与调整后的阈值的比较器; 以及输出单元,当基于比较结果确定的值对应于预定的最大值时,输出设置了调整后的阈值的频谱。

    X-ray imaging apparatus and method of controlling the same
    65.
    发明授权
    X-ray imaging apparatus and method of controlling the same 有权
    X射线成像装置及其控制方法

    公开(公告)号:US09423517B2

    公开(公告)日:2016-08-23

    申请号:US14144766

    申请日:2013-12-31

    CPC classification number: G01T7/005 G01T1/169

    Abstract: An X-ray imaging apparatus includes an X-ray generator configured to generate and emit X-rays, an X-ray detector configured to detect the X-rays and count a number of photons having energy equal to or greater than threshold energy per pixel among photons contained in the detected X-rays, a map generator configured to extract corrected threshold energy corresponding to target threshold energy mapped to each pixel, and a data correction unit configured to calculate corrected X-ray data corresponding to the corrected threshold energy per pixel from a plurality of X-ray data acquired based on a plurality of images of a target object obtained by using a plurality of approximate energies equal or approximate to the target threshold energy as threshold energy of the X-ray detector.

    Abstract translation: X射线成像装置包括被配置为产生和发射X射线的X射线发生器,被配置为检测X射线并计数具有等于或大于每像素阈值能量的能量的数量的X光检测器的X射线检测器 在包含在所检测的X射线中的光子之间,映射发生器被配置为提取对应于映射到每个像素的目标阈值能量的校正阈值能量;以及数据校正单元,被配置为计算对应于每像素校正的阈值能量的校正的X射线数据 从基于通过使用等于或近似于目标阈值能量的多个近似能量获得的目标对象的多个图像获取的多个X射线数据作为X射线检测器的阈值能量。

    Calibration apparatus and method
    66.
    发明授权
    Calibration apparatus and method 有权
    校准装置及方法

    公开(公告)号:US09310496B2

    公开(公告)日:2016-04-12

    申请号:US13871576

    申请日:2013-04-26

    CPC classification number: G01T7/005

    Abstract: Provided are a calibration apparatus and method that may be used for setting a magnitude of an electric pulse based on a result obtained by imaging at least one imaging object, and that may be used for calibrating by mapping at least one photon energy corresponding to an absorption edge of at least one calibration object.

    Abstract translation: 提供了一种校准装置和方法,其可以用于基于通过对至少一个成像对象进行成像而获得的结果来设置电脉冲的幅度,并且其可以用于通过映射至少一个对应于吸收的光子能量来进行校准 至少一个校准对象的边缘。

    X-ray imaging apparatus, X-ray detection device, and X-ray image generation method
    67.
    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
    68.
    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。

    Medical imaging apparatus and method of controlling the same
    69.
    发明授权
    Medical imaging apparatus and method of controlling the same 有权
    医疗成像装置及其控制方法

    公开(公告)号:US09183627B2

    公开(公告)日:2015-11-10

    申请号:US14269231

    申请日:2014-05-05

    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。

    Method and apparatus for providing three-dimensional (3D) image
    70.
    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。

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