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    • 86. 发明申请
    • AUTOMATIC POINT-WISE VALIDATION OF RESPIRATORY MOTION ESTIMATION
    • 呼吸运动估计的自动点智慧验证
    • WO2012004742A1
    • 2012-01-12
    • PCT/IB2011/052971
    • 2011-07-05
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHKABUS, SvenKLINDER, TobiasLORENZ, Cristian
    • KABUS, SvenKLINDER, TobiasLORENZ, Cristian
    • G06T7/00G06T7/20G06T3/00
    • G06T7/20G06T3/0081G06T7/0016G06T7/30G06T2207/10081G06T2207/30061
    • A system for validating motion estimation comprising a field unit (110) for obtaining a deformation vector field (DVF) estimating the motion by transforming a first image at a first phase of the motion into a second image at a second phase of the motion, a metric unit (120) for computing a metric of a local volume change at a plurality of locations, and a conformity unit(130) for computing a conformity measure based on the computed metric of the local volume change at the plurality of locations and a local property of the first or second image defined at the plurality of locations. Based on the value of the conformity measure, the DFV estimating the motion is validated. Experiments show that the conformity measure based on the computed metric of a local volume change at a plurality of locations and the local property of the first or second image, defined at the plurality of locations, does not necessarily favor a large weight for the outer force to provide a more accurate registration. One reason for this observation may be that large deformations providing more accurate alignment often lead to deformations resulting in unreasonably large volume changes. DVFs comprising such deformations thus are more likely to be discarded by the system of the invention.
    • 一种用于验证运动估计的系统,包括:场单元(110),用于通过在运动的第二阶段将运动的第一阶段的第一图像变换为第二图像来获得估计运动的变形矢量场(DVF); 用于计算多个位置处的本地卷变化的度量的度量单位(120),以及用于基于所计算的所述多个位置处的本地卷变化的度量的度量单位(130)以及局部 在多个位置定义的第一或第二图像的属性。 根据合格度的值,对运动的DFV进行了验证。 实验表明,基于多个位置处的局部体积变化的计算度量和在多个位置处限定的第一或第二图像的局部属性的一致性度量不一定有利于外力的大重量 提供更准确的注册。 这种观察的一个原因可能是提供更精确对准的大变形通常导致变形,导致不合理地大的体积变化。 包括这种变形的DVF因此更可能被本发明的系统丢弃。
    • 87. 发明申请
    • SUPERVISION CIRCUIT FOR ORGANIC LIGHT EMITTING DIODE
    • 有机发光二极管的监视电路
    • WO2012004720A2
    • 2012-01-12
    • PCT/IB2011/052937
    • 2011-07-04
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHHENTE, Dirk
    • HENTE, Dirk
    • H05B33/0896H05B33/089H05B37/03Y02B20/341
    • The invention relates to supervision circuits (10) for supervising organic light emitting diode devices (1) via detection circuits (20) for detecting failure states of the organic light emitting diode devices (1) and for generating decision signals in response to detected failure states of the organic light emitting diode devices (1), which detected failure states have durations equal to or larger than time intervals. In response to the decision signals, the organic light emitting diode devices (1) can be bypassed and deactivated through switching circuits (30) such as bi-stable circuits. The failure states may include that the organic light emitting diode devices (1) have a relatively low impedance or "short" and a relatively high impedance or "open". The supervision circuit (10) further prevents the organic light emitting diode devices (1) from being bypassed unjustly. The supervision circuits (10) may be autonomous circuits that only receive power via the organic light emitting diode devices (1) and may be automatic circuits that automatically reset themselves after turn-off.
    • 本发明涉及用于通过检测电路(20)监测有机发光二极管器件(1)的监督电路(10),用于检测有机发光二极管器件(1)的故障状态并用于产生 响应于检测到的故障状态具有等于或大于时间间隔的持续时间的有机发光二极管器件(1)的故障状态的判定信号。 响应于判定信号,有机发光二极管器件(1)可以通过诸如双稳态电路的开关电路(30)被旁路和去激活。 故障状态可以包括有机发光二极管器件(1)具有相对较低的阻抗或“短路” 和相对较高的阻抗或“开路”。 监控电路(10)进一步防止有机发光二极管器件(1)不合理地绕过。 监督电路(10)可以是仅通过有机发光二极管器件(1)接收电力的自治电路,并且可以是自动电路,其在关闭之后自动地自我复位。
    • 89. 发明申请
    • VIEWING FRAMES OF MEDICAL SCANNER VOLUMES
    • 查看医疗扫描仪的框架
    • WO2012001594A1
    • 2012-01-05
    • PCT/IB2011/052770
    • 2011-06-24
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHGELLER, DieterQIAN, Yuechen
    • GELLER, DieterQIAN, Yuechen
    • G06F19/00
    • G06F17/30277G06F19/00G06F19/321G16H50/70
    • The invention relates to a system (100) for viewing a first image dataset and a second image dataset, the system (100) comprising a first viewer (120) for computing a first image from the first image dataset, and a second viewer (130) for computing a second image from the second image dataset, wherein the second image is based on the computed first image. The second image, e.g. a reference image computed from the second image dataset, may thus be adapted to show features which can be seen and compared to the features in the first image, e.g. a query image computed from the first image dataset. The system may be further adapted for displaying additional reference images computed from the second image dataset, based on the query image or on new query images selected, for example, by a user of the system. Every time a new query image is computed from the first image dataset, a corresponding reference image is computed from the second image dataset.
    • 本发明涉及一种用于观看第一图像数据集和第二图像数据集的系统(100),所述系统(100)包括用于从所述第一图像数据集计算第一图像的第一观看者(120)和第二观看者(130) ),用于从所述第二图像数据集计算第二图像,其中所述第二图像基于所计算的第一图像。 第二个图像,例如 因此,从第二图像数据集计算的参考图像可以适于显示可以被看到并且与第一图像中的特征进行比较的特征。 从第一个图像数据集计算的查询图像。 该系统可以进一步适于基于查询图像或者例如由系统的用户选择的新的查询图像来显示从第二图像数据集计算的附加参考图像。 每次从第一个图像数据集计算新的查询图像时,从第二个图像数据集计算出相应的参考图像。
    • 90. 发明申请
    • METHOD OF RECONSTRUCTING A MAGNETIC RESONANCE IMAGE OF AN OBJECT CONSIDERING HIGHER-ORDER DYNAMIC FIELDS
    • 重构考虑高阶动态场景的物体的磁共振图像的方法
    • WO2011161596A1
    • 2011-12-29
    • PCT/IB2011/052643
    • 2011-06-17
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHEGGERS, Holger
    • EGGERS, Holger
    • G01R33/565
    • G01R33/48G01R33/28G01R33/56518G01R33/56563G01R33/56581
    • The invention relates to a method of acquiring a magnetic resonance image of an object employing spatial encoding by a gradient field, said gradient field comprising non-linear gradient field components, the method comprising: selecting (100) a limited set of spatially variant basis functions for describing the gradient field including the non-linear gradient field components by linear combinations of said basis functions, determining (102) the temporally variant weights of the basis functions for said linear combinations, acquiring (104) magnetic resonance data of the object (10), - embedding (106) the acquired magnetic resonance data into a multidimensional space, wherein the number of dimensions is given by the number of selected basis functions, transforming (110) the acquired magnetic resonance data in this multidimensional space from the measurement domain to the image domain, - calculating (112) the desired magnetic resonance image of the object (10) from this transformed multi-dimensional space by linear combinations along the surplus dimensions.
    • 本发明涉及一种利用梯度场采用空间编码获取对象的磁共振图像的方法,所述梯度场包括非线性梯度场分量,所述方法包括:选择(100)有限的一组空间变异基函数 用于通过所述基函数的线性组合来描述包括非线性梯度场分量的梯度场,确定(102)所述线性组合的基函数的时间上不同的权重,获取(104)对象(10)的磁共振数据 ), - 将所获得的磁共振数据嵌入(106)到多维空间中,其中所述维数由所选择的基函数的数量给出,将所述获取的所述磁共振数据从所述测量域变换(110)到所述多维空间中 所述图像域, - 从所述变换的多维图像计算(112)所述对象(10)的期望磁共振图像, 沿着剩余尺寸的线性组合的三维空间。