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    • 5. 发明授权
    • SPECT motion-correction
    • SPECT运动校正
    • US09269167B2
    • 2016-02-23
    • US13751237
    • 2013-01-28
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.
    • Jinghan YeTeimuraz BandzavaXiyun Song
    • G06T11/00G06T5/00
    • G06T11/005G06T2211/412
    • A nuclear camera acquires projections which are iteratively reconstructed by a reconstruction processor into an motion-artifacted image and stored in an image memory. The motion-artifacted image is forward-projected by a forward-projector to create forward-projections which are compensated for image degrading factors, such as resolution recovery, scatter and attenuation, and are compared with the acquired projections by a comparing unit to generate a motion-correction. A motion compensator operates on the acquired projections with the motion-correction to generate a motion-corrected projection data set in which each of the projections is in a common motion state. The motion-corrected projections are reconstructed into a motion-corrected image.
    • 核相机获取由重建处理器迭代地重建为运动伪影图像并存储在图像存储器中的投影。 运动伪影图像由前投影仪向前投影以产生补偿诸如分辨率恢复,散射和衰减的图像降级因素的正向投影,并且通过比较单元与所获取的投影进行比较以产生 运动校正。 运动补偿器通过运动校正对所获取的投影进行操作,以生成其中每个投影处于共同运动状态的运动校正投影数据集。 将运动校正的投影重建为运动校正图像。
    • 8. 发明授权
    • Device and method for determining the blood oxygen saturation of a subject
    • 用于确定受试者的血氧饱和度的装置和方法
    • US09125606B2
    • 2015-09-08
    • US14135644
    • 2013-12-20
    • Koninklijke Philips Electronics N.V.
    • Willem VerkruijsseMarek Janusz Bartula
    • G06K9/00A61B5/1455A61B5/024G06T7/00
    • A61B5/14552A61B5/02416A61B5/14551G06T7/0012G06T7/0016G06T2207/30076G06T2207/30104
    • A device for determining blood oxygen saturation of a subject comprises an interface for receiving a data stream derived from detected electromagnetic radiation emitted or reflected from one or more skin portions of the subject, said data stream comprising a data signal per skin pixel for a plurality of skin pixels of said one or more skin portions. An analyzer determines the change in blood oxygen saturation of said plurality of skin pixels based on the data signals of said plurality of skin pixels. A selector selects a group of skin pixels comprising either the skin pixels showing the fastest change in blood oxygen saturation or said plurality of skin pixels except for skin pixels showing the slowest change in blood oxygen saturation. A processor determines the blood oxygen saturation of the subject based on the data signals of the selected group of skin pixels.
    • 用于确定对象的血氧饱和度的装置包括用于接收从检测到的从被检体的一个或多个皮肤部分发射或反射的检测到的电磁辐射的数据流的接口,所述数据流包括每个皮肤像素的数据信号,用于多个 所述一个或多个皮肤部分的皮肤像素。 分析仪基于所述多个皮肤像素的数据信号来确定所述多个皮肤像素的血氧饱和度的变化。 选择器选择包括显示血氧饱和度最快变化的皮肤像素或除了表现出血氧饱和度最慢变化的皮肤像素之外的所述多个皮肤像素的一组皮肤像素。 处理器基于所选择的皮肤像素组的数据信号来确定对象的血氧饱和度。