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21. 发明授权

US07343029B2 Process and device for vascular navigation 有权
标题翻译：血管导航的过程和装置
公开(公告)号：US07343029B2
公开(公告)日：2008-03-11
申请号：US10742340
申请日：2003-12-19
申请人： Jean Lienard , Daniel Gannat , Julien Leger
发明人： Jean Lienard , Daniel Gannat , Julien Leger
IPC分类号： G06K9/00
CPC分类号： H04N5/325 , A61B6/12 , A61B6/481 , A61B6/504 , A61B90/37 , A61B2090/376 , Y10S128/922
摘要： A process and radiography device for aiding vascular navigation suitable for an area of interest wherein a series of successive images In of the region of interest is acquired by a image recording. From the series of images In thus acquired a determination is made of a first mask presenting background structures and blood vessels of the region of interest, and a second mask presenting the only background structures. An image IL is acquired exhibiting at least one instrument introduced into one of the vessels of the region of interest. An image Iv is determined for visualizing by combination of the first and second masks and the image. The image to be visualized thus determined is displayed.
摘要翻译：一种用于辅助适合于感兴趣区域的血管导航的过程和放射摄影装置，其中通过图像记录获取感兴趣区域的一系列连续图像I N n。从这样获得的一系列图像中，确定呈现感兴趣区域的背景结构和血管的第一掩模，以及呈现唯一背景结构的第二掩模。获取显示出至少一个被引入感兴趣区域的血管之一的器械的图像I L L。通过组合第一和第二掩模和图像来确定图像I 。显示如此确定的可视化图像。

22. 发明授权

US07065395B2 Method and apparatus for cardiac radiological examination in coronary angiography 失效
标题翻译：冠状动脉造影中心脏放射检查的方法和装置
公开(公告)号：US07065395B2
公开(公告)日：2006-06-20
申请号：US10295055
申请日：2002-11-04
申请人： Jean Lienard , Regis Vaillant , Francisco Sureda , Laurent Launay
发明人： Jean Lienard , Regis Vaillant , Francisco Sureda , Laurent Launay
IPC分类号： A61B6/00
CPC分类号： A61B6/541 , A61B6/481 , A61B6/504
摘要： A method of cardiac radiological examination for coronarography comprises the steps of: a) introducing contrast medium simultaneously in the left coronary artery and in the right coronary artery from the aortic root and, in parallel, b) acquiring a sequence of dynamic images of the propagation of the contrast medium in the left and right coronary arteries with a displacement of the image plane, during the acquisition of said images, along a determined trajectory (E28). The contrast medium can be introduced in a cyclic manner during the acquisition of dynamic images, each cycle of introduction corresponding to a phase of closure of the aortic valve in the cardiac rhythm. 3D and 4D images with optimal efficiency can be obtained in the use of contrast medium. An injection device for producing the above cycles is synchronized with the introduction of the contrast medium.
摘要翻译：冠状动脉造影的心脏放射检查方法包括以下步骤：a）在主动脉根部的左冠状动脉和右冠状动脉中同时引入造影剂，并行并行地获得传播的动态图像序列沿着确定的轨迹（E28），在获取所述图像期间具有图像平面位移的左冠状动脉和右冠状动脉中的造影剂。可以在获取动态图像期间以循环方式引入造影剂，每个引入周期对应于主动脉瓣在心律中的闭合阶段。在使用造影剂时可以获得具有最佳效率的3D和4D图像。用于产生上述循环的注射装置与造影剂的引入同步。

23. 发明授权

US06976785B2 Method and device for calibrating a radiological image 失效
标题翻译：用于校准放射图像的方法和装置
公开(公告)号：US06976785B2
公开(公告)日：2005-12-20
申请号：US10172286
申请日：2002-06-14
申请人： Jean Lienard , Francisco Sureda , Regis Vaillant
发明人： Jean Lienard , Francisco Sureda , Regis Vaillant
IPC分类号： A61B6/00 , G01N23/04 , G01D18/00
CPC分类号： G01N23/04
摘要： A method and device for calibrating images acquired by radiography comprising an X-ray source, an image acquisition, a support placed between the source and the image acquisition, on which support an object to be X-rayed is intended to be positioned. A region of interest, in which the object is likely to be found, is determined between the support and the image acquisition, the center of gravity of this region is determined and at least one calibration factor of the image or images is determined as a function of the position thus determined.
摘要翻译：用于校准通过X射线摄影获得的图像的方法和装置，包括X射线源，图像采集，放置在源和图像采集之间的支撑件，其上支撑要被X射线的对象旨在被定位。在支持和图像采集之间确定可能找到对象的感兴趣区域，确定该区域的重心，并且确定图像或图像的至少一个校准因子作为函数的位置如此确定。

24. 发明授权

US06831644B2 Method and device for displaying the deployment of an endovascular prosthesis 有权
标题翻译：显示血管内假体部署的方法和装置
公开(公告)号：US06831644B2
公开(公告)日：2004-12-14
申请号：US10175634
申请日：2002-06-19
申请人： Jean Lienard , Francisco Sureda , Regis Vaillant
发明人： Jean Lienard , Francisco Sureda , Regis Vaillant
IPC分类号： G06T1500
CPC分类号： G06T3/4084 , A61B6/12 , A61F2/82 , H04N13/221 , H04N13/254 , H05G1/64
摘要： An element is dissolved displayed having a periodic structure, such as a stent, images of which are acquired by means of a radiography machine of the type comprising an X-ray source and an image detector and an image display placed opposite the source. The images obtained are displayed with an overall magnification of: f S f C ⁢ ⁢ S ⁢ ⁢ F × E ⁢ ⁢ S ⁢ ⁢ D × π 180 , where fS is the fundamental frequency, being the inverse of the spatial period of the stent in pairs of lines per millimeter, where fCSF is the spatial frequency corresponding to the contrast sensitivity maximum for the human eye in cycles per degree; and where ESD is the expected distance in millimeters between the images displayed and an observer viewing these images.
摘要翻译：溶解显示具有周期性结构的元件，例如支架，其图像通过包括X射线源和图像检测器的类型的放射线照相机和与源相对放置的图像显示器获取。所获得的图像以总体放大倍率显示：其中fS是基本频率，是支架在每毫米线对中的空间周期的倒数，其中fCSF是对应于人的对比敏感度最大值的空间频率眼睛循环每度; 并且其中ESD是所显示的图像和观看这些图像的观察者之间的预期距离（以毫米为单位）。

25. 发明授权

US06718056B1 Method of automatic determination of the contrast and brightness of a digital radiographic image 失效
标题翻译：自动确定数字放射照相图像的对比度和亮度的方法
公开(公告)号：US06718056B1
公开(公告)日：2004-04-06
申请号：US09450489
申请日：1999-11-29
申请人： Sylvie Bothorel , Serge Muller , Jean Lienard , Andreas Rick , François Nicolas
发明人： Sylvie Bothorel , Serge Muller , Jean Lienard , Andreas Rick , François Nicolas
IPC分类号： G06K900
CPC分类号： G06T7/0002 , G06T5/009 , G06T5/40 , G06T2207/10116 , G06T2207/30068 , G06T2207/30168 , H04N1/4074
摘要： The method comprises a histogram of the radiographed image, i.e., a real histogram, a mathematical model of the image chain and the object obtained by calibration. The mathematical model of the image chain and the object and a set of parameters of acquisition, of the detector, of the positioner and of the object are used to determine two values of gray level, gray min and gray max, delimiting a useful zone and the part below gray min and the part above gray max are suppressed in the real histogram, i.e., a limited histogram. A set of rules is applied to the limited histogram in order to determine the level of brightness (WL) and the contrast (WW) is obtained from the brightness and possibly from one or more parameters selected by the user or fixed a priori.
摘要翻译：该方法包括射线照相图像的直方图，即真实直方图，图像链的数学模型和通过校准获得的对象。图像链和对象的数学模型以及采集，定位器和对象的检测参数的一组参数用于确定灰度级，灰度最小值和灰度最大值两个值，定义有用区域，灰色最小值以下的部分和灰度最大值部分在实际直方图中被抑制，即有限的直方图。将一组规则应用于有限直方图，以便确定亮度水平（WL），并且可以从亮度获得对比度（WW），并且可能从用户选择的一个或多个参数获得或先验固定。

26. 发明授权

US5048103A Method for the automatic resetting of images 失效
标题翻译：图像自动复位的方法
公开(公告)号：US5048103A
公开(公告)日：1991-09-10
申请号：US494395
申请日：1990-03-16
申请人： Vincent Leclerc , Jean Lienard
发明人： Vincent Leclerc , Jean Lienard
IPC分类号： A61B5/055 , G06K9/64 , G06T1/00 , G06T3/00 , G06T3/40 , G06T5/00 , G06T5/50 , G06T7/00 , H04N7/18
CPC分类号： G06K9/6857 , G06K9/4642 , G06K9/6203 , G06T3/0081 , G06T3/40 , G06T5/006 , G06T5/50 , G06K2209/05
摘要： Images representing one and the same scene, but acquired under conditions such taht the subject has moved, are automatically reset by making an automatic selection of a homogenous population of landmarks and by computing the shift vectors associated with these landmarks. It is shown that, in order to select the landmarks, it is worthwhile to characterize the image by a certain number of characteristic mangitudes representing the solidity of these landmarks. The solidity of the landmarks is the ability of a landmark to be the site of an exact measurement of shift for a required precision.
摘要翻译：表示同一场景的图像，但是在被摄体移动的条件下获取的图像通过自动选择均匀的地标群体并通过计算与这些地标相关联的移动向量来自动重置。表明，为了选择地标，值得通过一定数量的表征这些地标的坚实性的特征性地表征图像。地标的坚实性是地标作为精确测量移位所需精度的位置的能力。

27. 发明授权

US4739308A Method for the formatting and unformatting of data resulting from the encoding of digital information using a variable length code and a device for using this method 失效
标题翻译：使用可变长度代码对数字信息的编码产生的数据进行格式化和取消格式化的方法以及使用该方法的装置
公开(公告)号：US4739308A
公开(公告)日：1988-04-19
申请号：US2218
申请日：1987-01-12
申请人： Jean Lienard
发明人： Jean Lienard
IPC分类号： G06F5/00 , G11B20/12 , H03M7/40
CPC分类号： H03M7/40 , G06F5/00 , G11B20/12
摘要： The formatting/unformatting device of the invention especially comprises a formatting device made up of a justifier linked to an input register, the output of which is linked, through a multiplexer, to the residue input of the justifier as well as to a first intermediate register through another multiplexer and to another multiplexer. The latter multiplexer is linked to a second intermediate register and an output multiplexer, the output of which is linked to an output register which acts as a buffer for the bulk memory.
摘要翻译：本发明的格式化/非格式化装置特别地包括格式化装置，该格式化装置由连接到输入寄存器的对齐符组成，其输出通过多路复用器与对齐器的残差输入以及第一中间寄存器通过另一个多路复用器和另一个多路复后一个多路复用器被链接到第二中间寄存器和输出多路复用器，其输出被链接到作为大容量存储器的缓冲器的输出寄存器。

28. 发明申请

US20110019878A1 SYSTEM AND METHOD TO COMPENSATE FOR RESPIRATORY MOTION IN ACQUIRED RADIOGRAPHY IMAGES 有权
标题翻译：补偿放射影像中呼吸运动的系统和方法
公开(公告)号：US20110019878A1
公开(公告)日：2011-01-27
申请号：US12508070
申请日：2009-07-23
申请人： Elisabeth Soubelet , Jean Lienard , Regis Vaillant
发明人： Elisabeth Soubelet , Jean Lienard , Regis Vaillant
IPC分类号： G06T7/00 , G06T7/20
CPC分类号： A61B6/466 , A61B5/7285 , A61B6/503 , A61B6/5247 , A61B6/5264 , A61B6/5288 , A61B6/541 , A61B8/5276 , A61B8/543 , A61B2017/00699 , A61B2034/2065 , G06T7/246 , G06T2207/30048
摘要： A system and method to compensate for respiratory motion in imaging of instruments introduced into the subject anatomy is provided. The system can include an imaging system in communication with a controller. The controller can include a memory with program instructions for execution by the processor to perform the steps of: detecting an illustration of at least a portion of the plurality of instruments introduced into the subject anatomy in a first image and a second image, comparing and calculating a displacement of the plurality of instruments between the first and second images, calculating one of an average or median displacement of the plurality of instruments between the first and second images, and applying one of the average and the median displacement to adjust at least a portion of the first or second images or a pre-acquired three-dimensional model of the internal region of
摘要翻译：提供了一种用于补偿引入到主题解剖结构中的仪器的成像中的呼吸运动的系统和方法。该系统可以包括与控制器通信的成像系统。控制器可以包括具有程序指令的存储器，用于由处理器执行以执行以下步骤：检测在第一图像和第二图像中引入到主题解剖结构中的多个乐器的至少一部分的图示，比较和计算在所述第一和第二图像之间移动所述多个乐器，计算所述第一和第二图像之间的所述多个乐器的平均或中间位移之一，并且应用所述平均和所述中间位移之一来调整至少一部分的第一或第二图像或内部区域的预先获取的三维模型

29. 发明授权

US07792346B2 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：US07792346B2
公开(公告)日：2010-09-07
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： 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。

30. 发明授权

US07734328B2 System and method to enhance visualization of an object in a vascular vessel 失效
标题翻译：用于增强血管中物体可视化的系统和方法
公开(公告)号：US07734328B2
公开(公告)日：2010-06-08
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。

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