公开(公告)号：US07628755B2

公开(公告)日：2009-12-08

申请号：US11508196

申请日：2006-08-23

申请人： Nam Chul Kim ,  Sang Hyun Kim ,  Jong In Kwak ,  Do Young Choi ,  Eui Chul Kwon

发明人： Nam Chul Kim ,  Sang Hyun Kim ,  Jong In Kwak ,  Do Young Choi ,  Eui Chul Kwon

IPC分类号： A61B8/00

CPC分类号： G06T7/20 ,  G01S7/52077 ,  G01S15/8977 ,  G01S15/8993 ,  G06T2207/30004 ,  Y10S128/916

摘要： The present invention relates to an apparatus for processing an ultrasound image of a target object including a periodically moving object, including: an ROI setting unit for setting regions of interest (ROIs) to each of frames constituting ultrasound volume data acquired from a target object; a VOI setting unit for selecting a predetermined number of first reference frames from the ultrasound volume data and setting a predetermined number of volumes of interest (VOIs) by combining ROIs of the first reference frames with ROIs of frames adjacent to the reference frames; a motion compensating unit for processing the VOIs to compensate a motion of the target object; a correlation coefficient curve calculating unit for calculating a correlation coefficient curve for a predetermined interval at each VOI; a period setting unit for setting a moving period of the moving object based on the correlation coefficient curve in the volume data; and an ultrasound volume data reconstructing unit for reconstructing the ultrasound volume data based on the moving period.

摘要翻译： 本发明涉及一种用于处理包括周期性移动物体的目标物体的超声波图像的装置，包括：ROI设置单元，用于将构成从目标对象获取的超声波量数据的每个帧设置为感兴趣区域（ROI）; VOI设置单元，用于从超声体积数据中选择预定数量的第一参考帧，并通过将第一参考帧的ROI与参考帧相邻的帧的ROI组合来设置预定数量的感兴趣体积（VOI）; 运动补偿单元，用于处理所述VOI以补偿所述目标对象的运动; 相关系数曲线计算单元，用于在每个VOI处计算预定间隔的相关系数曲线; 周期设定单元，用于基于体数据中的相关系数曲线来设置移动对象的移动周期; 以及超声量数据重建单元，用于基于所述移动周期来重建所述超声波体积数据。

公开(公告)号：US20070167760A1

公开(公告)日：2007-07-19

申请号：US11565332

申请日：2006-11-30

申请人： Nam Chul KIM ,  Sang Hyun Kim ,  Eui Chul Kwon ,  Tien Dung Nguyen

发明人： Nam Chul KIM ,  Sang Hyun Kim ,  Eui Chul Kwon ,  Tien Dung Nguyen

IPC分类号： A61B8/00

CPC分类号： G06T15/08 ,  G06K9/3233 ,  G06K9/342 ,  G06K9/4642 ,  G06K2209/05 ,  G06T7/12 ,  G06T2207/10136 ,  G06T2207/20132 ,  G06T2207/30044

摘要： There is provided an ultrasound imaging system, which includes: an ultrasound diagnostic unit for providing 3D volume data of an object and its neighboring region, wherein the 3D volume data is formed with a number of frames; a pre-processing unit for selecting a predetermined number of key frames from the frames; a segmentation unit for segmenting each of the key frames into object regions and non-object regions; a texture-based region classifying and merging unit for classifying the object and the non-object regions into object and non-object sub-regions based on the texture thereof, and removing the non-object sub-regions and merging the object sub-regions; a surface determining unit for extracting contours of the object in the key frames and determining a 3D surface of the object by connecting the contours; and a rendering unit for forming masked volume with the 3D surface and forming a 3D ultrasound image of the object by rendering the masked volume.

摘要翻译： 提供了一种超声成像系统，其包括：用于提供物体及其相邻区域的3D体积数据的超声诊断单元，其中3D体积数据形成有多个帧; 预处理单元，用于从帧中选择预定数量的关键帧; 分割单元，用于将每个关键帧分割成对象区域和非对象区域; 基于纹理的区域分类和合并单元，用于基于其纹理将对象和非对象区域分类成对象和非对象子区域，以及去除非对象子区域并合并对象子区域 ; 表面确定单元，用于提取关键帧中的对象的轮廓，并通过连接轮廓来确定对象的3D表面; 以及渲染单元，用于利用3D表面形成掩蔽体积，并通过渲染掩蔽体来形成对象的3D超声图像。

公开(公告)号：US07803112B2

公开(公告)日：2010-09-28

申请号：US11006609

申请日：2004-12-08

申请人： Eui Chul Kwon

发明人： Eui Chul Kwon

IPC分类号： A61B8/00

CPC分类号： G06T19/00 ,  A61B8/463 ,  A61B8/483 ,  A61B8/523 ,  G01S7/52044 ,  G01S7/52063 ,  G01S7/52073 ,  G01S7/52074 ,  G01S15/8993 ,  G06T2219/008

摘要： An apparatus for displaying sectional planes of a target object utilizing 3 dimensional (3D) ultrasound data. The apparatus is capable of scanning the target object in real time by improving a scan conversion speed and virtually scans the target object by storing previously acquired 3D data. The apparatus, which displays a target object by using 3D ultrasound data, includes 1) a scan conversion unit for performing scan conversion to convert Cartesian coordinates for display on a screen of a display device to conical coordinates of 3D data, and 2) a rendering unit for rendering multiple sectional plane images, based on the 3D scan conversion, parallel with a reference sectional plane.

摘要翻译： 利用三维（3D）超声数据显示目标物体的截面的装置。 该装置能够通过提高扫描转换速度实时扫描目标对象，并通过存储先前获取的3D数据来虚拟扫描目标对象。 通过使用3D超声数据显示目标对象的装置包括1）扫描转换单元，用于执行扫描转换以将显示装置的屏幕上的笛卡尔坐标转换为3D数据的圆锥坐标，以及2）渲染 用于渲染基于3D扫描转换的多个截面平面图像的单元，与参考截面平行。

公开(公告)号：US07436402B2

公开(公告)日：2008-10-14

申请号：US10930775

申请日：2004-09-01

申请人： Eui Chul Kwon ,  Jae Keun Lee

发明人： Eui Chul Kwon ,  Jae Keun Lee

IPC分类号： G06T15/00 ,  G06F17/00

CPC分类号： G01S7/52044 ,  G01S7/52074 ,  G01S15/8993

摘要： The present invention relates to a rendering apparatus and method for a real-time 3D ultrasound diagnostic system, which can improve both the speed of rendering in a real-time manner 3D ultrasonic images and 2D ultrasonic images therefrom, based on the view operation for displaying ultrasonic images for a target object and the speed of scanning and converting 3D data.

摘要翻译： 本发明涉及一种用于实时3D超声诊断系统的渲染装置和方法，其可以基于用于显示的视图操作来提高实时3D渲染速度3D超声图像和2D超声波图像 用于目标对象的超声图像和扫描和转换3D数据的速度。

公开(公告)号：US07755625B2

公开(公告)日：2010-07-13

申请号：US11408013

申请日：2006-04-21

申请人： Eui Chul Kwon ,  Byeong Seok Shin

发明人： Eui Chul Kwon ,  Byeong Seok Shin

IPC分类号： G06T17/00

CPC分类号： G06T15/08 ,  G06T15/06 ,  G06T2210/41

摘要： The present invention relates to an apparatus and a method for rendering volume data in an ultrasound diagnostic system. A method for rendering volume data including an object space and an empty space acquired from ultrasound data, comprises the following steps: a) casting a virtual ray from at least one pixel comprising a viewing plane into the volume data; b) sampling voxels of the volume data along the virtual ray in a first sampling interval; c) checking whether a currently sampled voxel corresponds to the object space or the empty space by using opacity based on a voxel value of a sampled voxel; d) at step c), if it is determined that the currently sampled voxel corresponds to the object space, then returning to the previously sampled voxel and sampling voxels in a second sampling interval shorter than the first sampling interval; e) checking whether accumulated opacity calculated based on the sampled voxels along the virtual ray is greater than a critical value; f) at step e), if it is determined that the accumulated opacity is greater than the critical value, then completing the sampling process for the current virtual ray and calculating a rendering value by using the voxel values and the opacity of the sampled voxels; and g) repeating the steps a) to f) until the sampling process for the pixels comprising the viewing plane is completed.

摘要翻译： 本发明涉及一种用于在超声诊断系统中渲染体数据的装置和方法。 一种用于渲染包括从超声数据获取的对象空间和空白空间的卷数据的方法包括以下步骤：a）将虚拟光线从包括观看平面的至少一个像素投射到卷数据中; b）在第一采样间隔中沿着虚拟射线对体数据的体素采样; c）基于采样体素的体素值，检查当前采样体素是否对应于对象空间或空白空间，通过使用不透明度; d）在步骤c），如果确定当前采样的体素对应于对象空间，则在比第一采样间隔短的第二采样间隔中返回到先前采样的体素和采样体素; e）检查基于沿着虚拟射线的采样体素计算的累积不透明度是否大于临界值; f）在步骤e）中，如果确定累积的不透明度大于临界值，则完成当前虚拟光线的采样处理，并通过使用体素值和采样体素的不透明度来计算渲染值; 并且g）重复步骤a）至f），直到包括观察平面的像素的采样过程完成。

公开(公告)号：US20080051653A1

公开(公告)日：2008-02-28

申请号：US11837866

申请日：2007-08-13

申请人： Doo Hyun CHOI ,  Eui Chul Kwon ,  Sung Yun Kim

发明人： Doo Hyun CHOI ,  Eui Chul Kwon ,  Sung Yun Kim

IPC分类号： A61B8/00

CPC分类号： A61B8/08 ,  A61B5/1075 ,  A61B8/466 ,  A61B8/467 ,  A61B8/483 ,  G06T7/12 ,  G06T7/62 ,  G06T2207/10136 ,  G06T2207/20092 ,  G06T2207/30004

摘要： Embodiments of the present invention may provide an image processing system and method for calculating the volume of a specific portion in a targeted body. According to an embodiment of the present invention, an image processing system may comprise a volume data receiver, a user interface, a display and a main processor. The volume data receiver may form volume data of a target object based on image data thereof. The user interface may receive reference section information on a reference section of the target object, slice section information on a plurality of slice sections each being perpendicular to the reference section and contour information from a user. The display may form an image of the reference section and images of the slice sections based on the volume data. The main processor may set a reference sectional object and slice sectional objects based on the reference section information and the slice section information, respectively. The main processor may be further operable to (i) detect a contour of the reference sectional object based on the contour information, (ii) to detect seed points of the target object in the images of the slice sections based on the contour information and the slice section information, (iii) to detect contours of the slice sectional objects based on the detected seed points, and (iv) to calculate a volume of the target object based on the contours of the reference sectional object and the slice sectional objects.

摘要翻译： 本发明的实施例可以提供一种用于计算目标身体中特定部分的体积的图像处理系统和方法。 根据本发明的实施例，图像处理系统可以包括体数据接收器，用户接口，显示器和主处理器。 体数据接收器可以基于其图像数据形成目标对象的体数据。 用户界面可以在目标对象的参考部分上接收参考部分信息，并且每个垂直于参考部分的多个切片部分的切片部分信息和来自用户的轮廓信息。 显示器可以基于卷数据形成参考部分的图像和切片部分的图像。 主处理器可以分别基于参考部分信息和切片部分信息设置参考截面对象和切片部分对象。 主处理器可以进一步可操作以（i）基于轮廓信息检测参考分割对象的轮廓，（ii）基于轮廓信息检测切片部分的图像中的目标对象的种子点，以及 切片部分信息，（iii）基于检测到的种子点检测切片部分对象的轮廓，以及（iv）基于参考分割对象和切片部分对象的轮廓来计算目标对象的体积。