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    • 131. 发明申请
    • APPARATUS AND METHOD FOR IMPROVING IMAGE RESOLUTION USING FUZZY MOTION ESTIMATION
    • 使用FUZZY运动估计改进图像分辨率的装置和方法
    • WO2009053978A2
    • 2009-04-30
    • PCT/IL2008/001398
    • 2008-10-23
    • TECHNION RESEARCH AND DEVELOPMENT FOUNDATION LTDELAD, MichaelPROTTER, Matan
    • ELAD, MichaelPROTTER, Matan
    • G06K9/46G06K9/40
    • G06T3/4053
    • The subject matter discloses a method and apparatus for re-sampling a sequence of images in order to improve its resolution, fill-in missing pixels, or de-interlace it. The method operates locally in the images to be processed, comparing pixel values of pixels surrounding the target pixel to pixel values of substantially the same locations in neighboring images. The comparison results in assigning a weight value for each area compared with the area containing the reviewed pixel. The pixel value of the reviewed pixel is updated as a function of multiplying pixel values of the areas by the weight assigned to each area. In another embodiment, areas within the same image are compared to areas containing the reviewed pixel. The subject matter also discloses two possible penalty functions for improving the resolution of images.
    • 主题公开了一种用于重新采样图像序列的方法和装置,以便提高其分辨率,填充缺失像素或去隔行扫描。 该方法在要处理的图像中本地操作,将目标像素周围的像素的像素值与相邻图像中基本相同的位置的像素值进行比较。 比较结果是与包含经审查的像素的区域相比,为每个区域分配权重值。 被评估的像素的像素值被更新为将区域的像素值乘以分配给每个区域的权重的函数。 在另一个实施例中,将同一图像内的区域与包含经审查的像素的区域进行比较。 主题还公开了用于改善图像分辨率的两种可能的惩罚功能。
    • 133. 发明申请
    • OVER-PARAMETERIZED VARIATIONAL OPTICAL FLOW METHOD
    • 超参数变化光流法
    • WO2008099399A2
    • 2008-08-21
    • PCT/IL2008/000194
    • 2008-02-14
    • TECHNION RESEARCH AND DEVELOPMENT FOUNDATION LTD.TAL, NirBRUCKSTEIN, Alfred, M.KIMMEL, Ron
    • TAL, NirBRUCKSTEIN, Alfred, M.KIMMEL, Ron
    • G06T7/20
    • G06T7/269
    • An optical flow estimation process based on a spatio-temporal model with varying coefficients multiplying a set of basis functions at each pixel. The benefit of over-parameterization becomes evident in the smoothness term, which instead of directly penalizing for changes in the optic flow, accumulates a cost of deviating from the assumed optic flow model. The optical flow field is represented by a general space-time model comprising a selected set of basis functions. The optical flow parameters are computed at each pixel in terms of coefficients of the basis functions. The model is thus highly over-parameterized, and regularization is applied at the level of the coefficients, rather than the model itself. As a result, the actual optical flow in the group of images is represented more accurately than in methods that are known in the art.
    • 基于具有变化系数的时空模型的光流估计过程与每个像素处的一组基函数相乘。 在平滑度项中,过参数化的优点变得明显,而不是直接影响光流变化,积累了偏离假想光流模型的成本。 光流场由包括所选择的一组基函数的一般时空模型表示。 根据基函数的系数,在每个像素处计算光流参数。 因此,该模型被高度过度参数化,并且在系数水平上应用正则化,而不是模型本身。 结果,与本领域已知的方法相比,图像组中的实际光流被更为准确地表示。
    • 137. 发明申请
    • LUNG VOLUME MONITORING METHOD AND DEVICE
    • 肺体积监测方法和装置
    • WO2007026367A2
    • 2007-03-08
    • PCT/IL2006/001021
    • 2006-09-03
    • TECHNION RESEARCH AND DEVELOPMENT FOUNDATION LTD.BAR-LAVIE, YaronGAVRIELY, Noam
    • BAR-LAVIE, YaronGAVRIELY, Noam
    • G06F19/00
    • A61B5/091A61B5/0833A61B5/0836A61M16/024A61M2230/43A61M2230/432A61M2230/435
    • A method for determining functional residual capacity (FRC) of a patient while ventilating the patient. The system may include a medical ventilator which provides inhalation and exhalation from the patient, a sensor which measures a fraction one or more gas components of the inhalation and a fraction of the same gas components of the exhalation. A step change of oxygen fraction is provided to the inhalation of the patient. Subsequent to the step change, The fractions of the gas components are measured in the inhalation and in the exhalation. The functional residual capacity of the lungs of the patient is measured based on the fraction of the gas components in the inhalation and in the exhalation. The step change is provided manually by a technician, or automatically by programming a programmable device to provide the step change automatically to the patient by the medical ventilator. The step change is either an increase or a decrease in of the oxygen fraction.
    • 用于在患者通气时确定患者的功能残余容量(FRC)的方法。 该系统可以包括提供来自患者的吸入和呼出的医疗通气机,测量吸入的一种或多种气体组分的一部分和呼气的一部分相同气体组分的传感器。 为患者吸入提供氧分数的阶跃变化。 在阶跃变化之后,在吸气和呼气中测量气体成分的比例。 基于吸气和呼气中气体组分的分数来测量患者肺部的功能残余容量。 技术人员手动提供阶跃变化,或者通过对可编程设备编程来自动提供阶梯变化,以通过医用呼吸机向患者自动提供阶跃变化。 阶跃变化是氧气分数的增加或减少。