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31. 发明授权

US07702138B2 Method and apparatus for processing images for subtracted angiography 有权
标题翻译：用于减少血管造影的图像处理方法和装置
公开(公告)号：US07702138B2
公开(公告)日：2010-04-20
申请号：US11401163
申请日：2006-04-10
申请人： Jean Lienard , Julien Haddad
发明人： Jean Lienard , Julien Haddad
IPC分类号： G06K9/00 , H05G1/64
CPC分类号： G06T5/002 , G06T5/20 , G06T5/50 , G06T2207/10116 , G06T2207/20028 , G06T2207/20182 , G06T2207/20192 , G06T2207/30101
摘要： A first method for processing of a radiological image to be used as a mask image in subtracted angiography wherein processing for reduction of noise present in the mask image adapted to preserve the aspect of the noise in the mask image. A second method for processing of a sequence of subtracted images (Jn) obtained by subtraction of a mask image from each of the images in a sequence of images (In) acquired during angiography of blood vessels in an area of interest (104) of a patient (200), wherein processing for reduction of noise present in the subtracted images (Jn) adapted to preserve the aspect of vessels (80) in the subtracted images. A radiography apparatus for implementing a method according to one and/or the other of the first and second methods.
摘要翻译：用于处理减影血管造影术中用作掩模图像的放射图像的第一方法，其中用于减少掩模图像中存在的适于保留掩模图像中的噪声方面的噪声的处理。用于处理通过在感兴趣区域（104）中血管造影期间获取的图像序列（In）中的每个图像中的每个图像中减去掩模图像而获得的减法图像序列（Jn）的第二方法患者（200），其中用于减少存在于所述相减图像中的减影图像（Jn）中的噪声的处理适于保留所述减影图像中血管（80）的方面。一种用于实现根据第一和第二方法中的一个和/或另一个的方法的放射线照相设备。

32. 发明申请

US20080154122A1 SYSTEM AND METHOD TO ENHANCE VISUALIZATION OF AN OBJECT IN A VASCULAR VESSEL 失效
标题翻译：一种用于增强血管中物体可视化的系统和方法
公开(公告)号：US20080154122A1
公开(公告)日：2008-06-26
申请号：US11614209
申请日：2006-12-21
申请人： Regis Vaillant , Jean Lienard , Vincent Bismuth
发明人： Regis Vaillant , Jean Lienard , Vincent Bismuth
IPC分类号： A61B5/05
CPC分类号： A61B6/12 , G06T7/00
摘要： An imaging system of an object in an imaged subject is provided. The imaging system includes an image detector and a guidewire in support of a pair of markers. The imaging system also includes a controller in communication with the image detector. The controller includes a processor in communication to execute a series of programmable instructions stored in a memory, the programmable instructions including acquiring a plurality of acquired images, detecting a position of the pair of markers, calculating a first mathematical representation of an alignment of the guidewire between the markers and a second mathematical representation of an alignment of the guidewire not between the markers, and registering the first and second mathematical representations of the guidewire extending through the object relative to more than one of the acquired images so as to locate the object in at least one of the acquired images.
摘要翻译：提供了成像对象中的对象的成像系统。成像系统包括图像检测器和支撑一对标记的导丝。成像系统还包括与图像检测器通信的控制器。控制器包括处理器，其通信以执行存储在存储器中的一系列可编程指令，所述可编程指令包括获取多个获取的图像，检测所述一对标记的位置，计算所述导丝对准的第一数学表示在所述标记之间和所述导丝的对准的第二数学表示之间，而不是在所述标记之间，并且相对于多于一个所获取的图像登记延伸穿过所述对象的所述导丝的所述第一和第二数学表示，以将所述对象定位在所获取的图像中的至少一个。

33. 发明授权

US06415015B2 Method and system of compensation of thickness of an organ 有权
标题翻译：器官厚度补偿方法及系统
公开(公告)号：US06415015B2
公开(公告)日：2002-07-02
申请号：US09745886
申请日：2000-12-21
申请人： Francois Nicolas , Jean Lienard , Serge Muller , Elisabeth Soubelet , Andreas Rick
发明人： Francois Nicolas , Jean Lienard , Serge Muller , Elisabeth Soubelet , Andreas Rick
IPC分类号： G01N2304
CPC分类号： G06T5/009 , G06T5/40 , G06T2207/10116 , G06T2207/30068
摘要： Method and system for compensating for the thickness of an organ in a radiology instrument, in which an image of the radiological thicknesses of the organ through which the X-ray beam has passed is calculated on the basis of a digitized image, the thickness image is filtered using a low-pass filter in order to obtain a low-frequency image, the low-frequency image is subtracted from the radiological thickness image in order to obtain a contrast image, the low-frequency image is processed using a pre-recorded table taking into account a contract &khgr; selected by a user in order to obtain an image with reduced dynamic range, and the image with reduced dynamic range is added to the contrast image in order to obtain a compensated thickness image, the pixels having a level below or above a predetermined threshold being returned at least to the value of the threshold, while preserving the differences and real ratios between the anatomical structures.
摘要翻译：根据数字化图像计算放射学仪器中的器官的厚度的方法和系统，其中根据数字化图像计算穿过X射线束的器官的放射学厚度的图像，厚度图像是使用低通滤波器进行滤波以获得低频图像，从放射学厚度图像中减去低频图像以获得对比度图像，使用预先记录的表处理低频图像考虑到一个合同＆khgr; 由用户选择以获得具有减小的动态范围的图像，并且将具有减小的动态范围的图像添加到对比度图像中，以获得补偿的厚度图像，返回低于或高于预定阈值的像素的像素返回至少达到阈值的值，同时保留解剖结构之间的差异和实际比例。

34. 发明授权

US5699446A Method for the acquisition of images of a body by the rotational positioning of a radiology device, notably an angiography device 失效
标题翻译：通过放射学装置，特别是血管造影装置的旋转定位来获取身体的图像的方法
公开(公告)号：US5699446A
公开(公告)日：1997-12-16
申请号：US245140
申请日：1994-05-17
申请人： Anne Rougee , Michel Hommerin , Jean Lienard
发明人： Anne Rougee , Michel Hommerin , Jean Lienard
IPC分类号： A61B6/00 , A61B6/02 , G06T7/00 , G06K9/00
CPC分类号： G06T7/004 , A61B6/02 , A61B6/463 , A61B6/504 , G06T7/0075
摘要： To acquire the images around an elongated object, the direction of this object is identified. To this end, in a first image, a point constituting an image of a locus of the object is designated and localized. The image of the epipolar straight line that connects the focal spot of the X-ray tube to the localized point is plotted in the second image. In this image of the epipolar straight line, a point homologous to the point in the first image is designated and localized. From the localizations of these points, the position in space of the characteristic point is deduced. This operation is reiterated for a second characteristic locus. The orientation of the object is deduced from these two characteristic loci. The position of the imaging device is then set accordingly.
摘要翻译：为了获取围绕细长物体的图像，识别该对象的方向。为此，在第一图像中，指定并定位构成物体的轨迹的图像的点。将X射线管的焦斑与局部点连接的核线直线的图像绘制在第二图像中。在这个直线直线的图像中，指定和定位与第一图像中的点同源的点。从这些点的本地化，推导出特征点在空间中的位置。对于第二特征轨迹重复该操作。从这两个特征位点推导出物体的方位。然后相应地设置成像装置的位置。

35. 发明授权

US5072673A Bogie with a deformable underframe including an oblique faced friction wedge and direct engagement between bolster and side-frame 失效
标题翻译： BOGIE带有可变的底部，包括一个轻巧摩擦的楔子和直接接触在BOLSTER和边框之间
公开(公告)号：US5072673A
公开(公告)日：1991-12-17
申请号：US495591
申请日：1990-03-19
申请人： Jean Lienard
发明人： Jean Lienard
IPC分类号： B61F5/12
CPC分类号： B61F5/122
摘要： The bogie has two side-frames. Each side-frame has an opening in which a respective end of a bolster bar rests upon the side-frame by way of suspension springs. Two wedges, themselves supported by springs and having an oblique face which is thereby pressed against an oblique face of the bolster, consequently assume a friction bearing against a frictional face of the side-frame so as to damp the suspension oscillations. The oblique faces are not only oblique with respect to the vertical, but also with respect to the longitudinal midline of the bogie. The horizontal force to which the wedge is subjected consequently comprises a transverse component which is used to clamp the side-frame between the wedge and a reference face of the bolster. The transverse component thus stabilizes the side-frames in a position orthogonal to the bolster, thereby counteracting forward and backward movements of one side-frame with respect to the other, while allowing for independent movements of the side-frames in their respective vertical plane to absorb rail bed irregularities.
摘要翻译：转向架有两个侧框。每个侧框架具有开口，在该开口中，摇杆的相应端部通过悬架弹簧支撑在侧框架上。两个由弹簧支撑并且由此被压靠在该摇枕的斜面上的倾斜面的楔构成，从而承受抵靠在侧框的摩擦面上的摩擦轴承，以便阻止悬架振动。倾斜面不仅相对于垂直方向倾斜，而且相对于转向架的纵向中线也是倾斜的。因此楔受到的水平力因此包括横向部件，该横向部件用于将侧部框架夹紧在楔块和垫块的参考面之间。因此，横向部件使侧框架稳定在与枕垫正交的位置上，从而抵消一侧框架相对于另一侧框架的向前和向后移动，同时允许侧框架在它们各自的垂直平面内的独立移动到吸收铁床不规则。

36. 发明授权

US4922832A Intermodal road/rail transportation system 失效
标题翻译：多式联运/轨道交通系统
公开(公告)号：US4922832A
公开(公告)日：1990-05-08
申请号：US147361
申请日：1988-01-22
申请人： Jean Lienard , Francis Haesebrouck , Sol Katz , Andrew Abolins , George Schmidt
发明人： Jean Lienard , Francis Haesebrouck , Sol Katz , Andrew Abolins , George Schmidt
IPC分类号： B61D3/12 , B61D3/18 , B61F3/12
CPC分类号： B61D3/184 , B61D3/12 , B61F3/12
摘要： An intermodal road/rail transportation system wherein the freight containers or road trailers are adapted for transportation on detachable rail trucks or bogies. The system includes various bogie constructions, locking devices and trailer constructions which obviate the disadvantages of the prior art by, among other things, absorbing and/or minimizing the various stresses applied to the system. In the rail mode, the system allows the sequential starting of rail cars, thereby reducing the force necessary to start a string of trailers.
摘要翻译：一种多式联运/轨道交通系统，其中货物集装箱或公路拖车适用于在可拆卸的轨道车或转向架上运输。该系统包括各种转向架结构，锁定装置和拖车结构，其通过吸收和/或最小化施加到系统的各种应力来消除现有技术的缺点。在轨道模式下，系统允许轨道车辆的顺序启动，从而减少启动一串拖车所需的力。

37. 发明授权

US08233688B2 Method of detection and compensation for respiratory motion in radiography cardiac images synchronized with an electrocardiogram signal 有权
标题翻译：与心电图信号同步的放射照相心脏图像中呼吸运动的检测和补偿方法
公开(公告)号：US08233688B2
公开(公告)日：2012-07-31
申请号：US12054989
申请日：2008-03-25
申请人： Elisabeth Soubelet , Jean Lienard , Laurence Gavit-Houdant , Regis Vaillant
发明人： Elisabeth Soubelet , Jean Lienard , Laurence Gavit-Houdant , Regis Vaillant
IPC分类号： A61B6/00 , G06K9/00
CPC分类号： A61B6/12 , A61B5/7289 , A61B6/032 , A61B6/503 , A61B6/5217 , A61B6/5235 , A61B6/541 , A61B8/5238 , G01R33/48 , G01R33/4812 , G01R33/56509 , G01R33/5673
摘要： A method of detection and compensation for respiratory motion improves the registration between a 3D pre-operation image and X-ray images acquired during a cardiac intervention. By synchronizing the X-ray images with the electrocardiogram, the disclosed method thus eliminates the motion related to the heart cycle from these images, thus isolating the contribution of the respiratory motion. From this point, an algorithm is proposed capable of attributing the motion remaining in the radiography images to respiration. The algorithm also enables this motion to be detected and compensated for in order to obtain a registration between 3D cardiac images and radiography images.
摘要翻译：呼吸运动的检测和补偿方法改善了3D预处理图像与在心脏干预期间获取的X射线图像之间的配准。通过使X射线图像与心电图同步，所公开的方法从而消除了与这些图像相关的心脏周期运动，从而隔离了呼吸运动的贡献。从这一点上，提出了一种能够将放射摄影图像中剩余的运动归因于呼吸的算法。该算法还使得能够检测和补偿该运动，以便获得3D心脏图像和放射摄影图像之间的配准。

38. 发明申请

US20100208973A1 RADIOLOGICAL IMAGING METHOD AND DEVICE 审中-公开
标题翻译：放射成像方法和装置
公开(公告)号：US20100208973A1
公开(公告)日：2010-08-19
申请号：US12706004
申请日：2010-02-16
申请人： Jean Lienard , Regis Vaillant , Benoit Leny , Pierre-Luc Georgy
发明人： Jean Lienard , Regis Vaillant , Benoit Leny , Pierre-Luc Georgy
IPC分类号： G06K9/00 , G21K4/00
CPC分类号： A61B6/504 , A61B6/12 , A61B6/481 , A61B6/5235 , G06T5/50
摘要： A method for radiological imaging of a region of interest including blood vessels. The method has the steps of acquiring a real-time fluoroscopic image of the region of interest by exposing the region of interest to a first dose of X-rays, the fluoroscopic image showing background structures and instrument introduced into the vessels; subtracting a mask image from the acquired real-time fluoroscopic image to generate a subtracted fluoroscopic image showing only the instrument; combining the subtracted fluoroscopic image and a pre-recorded diagnostic image of the region of interest showing only the blood vessels to generate a combined image showing both the blood vessels and the instrument; and displaying the combined image on a screen for viewing. The mask image is determined from a fluoroscopic image acquired prior to the introduction of the instrument into the vessels by exposing the region to an X-ray does equivalent to the first dose.
摘要翻译：一种用于包括血管在内的感兴趣区域的放射成像的方法。该方法具有以下步骤：通过将感兴趣区域暴露于第一剂量的X射线，透视图像显示背景结构和引入血管的仪器来获取感兴趣区域的实时透视图像; 从获取的实时透视图像中减去掩模图像，以产生仅显示仪器的减去的透视图像; 将减去的透视图像和仅显示血管的感兴趣区域的预先记录的诊断图像组合以产生显示出血管和仪器的组合图像; 并在屏幕上显示组合图像以供观看。掩模图像是通过将该区域暴露于与第一剂量相当的X射线确定之前，从将仪器引入血管之前获得的透视图像来确定的。

39. 发明申请

US20070036405A1 Method and apparatus for correction of an image 有权
标题翻译：用于校正图像的方法和装置
公开(公告)号：US20070036405A1
公开(公告)日：2007-02-15
申请号：US11434839
申请日：2006-05-16
申请人： Jean Lienard , Francisco Sureda
发明人： Jean Lienard , Francisco Sureda
IPC分类号： G01N23/04 , G06K9/00
CPC分类号： G06T5/50 , G06T2207/30101
摘要： A method and apparatus for automatically estimating a correction to be made to an image deformed with respect to a sequence of images. The method includes detecting of information pixels in the images; calculation of a region of interest located in a binary mapping image made from the images; for each image, search in the image, for the position of a mobile region that maximizes a similarity criterion to the region; and the estimated correction to be made to the image is compared with each image being the affine transformation of the mobile region moving from its found position at which similarity criterion is maximized to the region. The correction is only applied if the balance is equal to the improvement to the similarity criterion in the region of interest and the deterioration of the similarity criterion outside the region of interest is positive.
摘要翻译：一种用于自动估计针对图像序列变形的图像的校正的方法和装置。该方法包括检测图像中的信息像素; 计算位于由图像制成的二进制映射图像中的感兴趣区域; 对于每个图像，在图像中搜索针对该区域最大化相似性标准的移动区域的位置; 并将对图像进行的估计校正与作为从相似性标准最大化的发现位置移动到该区域的移动区域的仿射变换的每个图像进行比较。仅在平衡与感兴趣区域中的相似性标准的改善相等并且感兴趣区域外的相似性标准的恶化为正的情况下才适用。

40. 发明申请

US20070036269A1 Method and apparatus for processing images for subtracted angiography 有权
标题翻译：用于减少血管造影的图像处理方法和装置
公开(公告)号：US20070036269A1
公开(公告)日：2007-02-15
申请号：US11401163
申请日：2006-04-10
申请人： Jean Lienard , Julien Haddad
发明人： Jean Lienard , Julien Haddad
IPC分类号： H05G1/64
CPC分类号： G06T5/002 , G06T5/20 , G06T5/50 , G06T2207/10116 , G06T2207/20028 , G06T2207/20182 , G06T2207/20192 , G06T2207/30101
摘要： A first method for processing of a radiological image to be used as a mask image in subtracted angiography wherein processing for reduction of noise present in the mask image adapted to preserve the aspect of the noise in the mask image. A second method for processing of a sequence of subtracted images (Jn) obtained by subtraction of a mask image from each of the images in a sequence of images (In) acquired during angiography of blood vessels in an area of interest (104) of a patient (200), wherein processing for reduction of noise present in the subtracted images (Jn) adapted to preserve the aspect of vessels (80) in the subtracted images. A radiography apparatus for implementing a method according to one and/or the other of the first and second methods.
摘要翻译：用于处理减影血管造影术中用作掩模图像的放射图像的第一方法，其中用于减少掩模图像中存在的适于保留掩模图像中的噪声方面的噪声的处理。用于处理通过从图像序列中的每个图像中减去掩模图像而获得的减法图像序列的第二方法（I N n N）在患者（200）的感兴趣区域（104）中的血管的血管造影期间获取，其中用于减少存在于适于保持血管方面的减影图像（J N N N）中的噪声的处理（80）。一种用于实现根据第一和第二方法中的一个和/或另一个的方法的放射线照相设备。

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