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    • 61. 发明申请
    • Method and apparatus for parameter assisted image-guided surgery (PAIGS)
    • 参数辅助图像引导手术(PAIGS)的方法和装置
    • US20080130965A1
    • 2008-06-05
    • US10996937
    • 2004-11-23
    • Gopal B. AvinashAllison L. Weiner
    • Gopal B. AvinashAllison L. Weiner
    • G06K9/00
    • A61B90/36A61B34/20A61B90/06A61B2034/2055A61B2090/364
    • Embodiments of methods, apparatuses, devices, and/or systems for performing Parameter Assisted, Image-Guided Surgery (PAIGS) are described. In one particular embodiment, a method of performing PAIGS comprises accessing image data for a surgical object, receiving one or more instrument parameters for a surgical instrument from one or more sensors coupled to the instrument, receiving one or more in situ parameters for the surgical object from one or more sensors coupled to the instrument, providing one or more instrument parameters, in situ parameters, and/or at least a portion of the image data to a registration device, and displaying an image of at least a portion of the instrument parameters, in situ parameters and/or image data on a display device.
    • 描述了用于执行参数辅助图像引导手术(PAIGS)的方法,装置,装置和/或系统的实施例。 在一个特定实施例中,执行PAIGS的方法包括访问外科对象的图像数据,从耦合到所述器械的一个或多个传感器接收外科器械的一个或多个仪器参数,接收用于所述手术对象的一个​​或多个原位参数 从耦合到所述仪器的一个或多个传感器提供一个或多个仪器参数,原位参数和/或所述图像数据的至少一部分到注册装置,以及显示所述仪器参数的至少一部分的图像 ,在显示设备上的原位参数和/或图像数据。
    • 64. 发明授权
    • Signal-adaptive noise reduction in digital radiographic images
    • 数字放射照相图像中的信号自适应降噪
    • US07254261B2
    • 2007-08-07
    • US10731762
    • 2003-12-09
    • Gopal B. AvinashKadri Nizar JabriJohn L. Seamans
    • Gopal B. AvinashKadri Nizar JabriJohn L. Seamans
    • G06K9/00
    • G06T5/002G06T2207/10116G06T2207/20012G06T2207/30004H04N5/217H04N5/32
    • Signal-adaptive noise reduction in digital radiographic images is described herein. Embodiments comprise methods for signal-adaptive noise reduction in digital radiographic images, comprising the steps of: obtaining raw x-ray image data of an imaged object; processing the raw x-ray image data to create processed x-ray image data; inputting at least one of the raw x-ray image data and the processed x-ray image data to an image processor; developing at least one of a first intensity modulation image from the raw x-ray image data and a second intensity modulation image from the processed x-ray image data; deriving a structure-dependent noise filtered image using the processed x-ray image data; performing signal attenuation-dependent blending; and creating a noise-reduced digital x-ray image therefrom. Computer-readable mediums encoded with programming for facilitating signal-adaptive noise reduction in digital radiographic images, and digital radiographic imaging systems comprising such programming, are also described.
    • 这里描述了数字放射照相图像中的信号自适应降噪。 实施例包括用于数字放射线照相图像中的信号自适应噪声降低的方法,包括以下步骤:获得成像对象的原始X射线图像数据; 处理原始X射线图像数据以产生经处理的X射线图像数据; 将原始x射线图像数据和经处理的x射线图像数据中的至少一个输入到图像处理器; 从原始x射线图像数据和来自处理的x射线图像数据的第二强度调制图像显影第一强度调制图像中的至少一个; 使用经处理的x射线图像数据导出与结构相关的噪声滤波图像; 执行信号衰减依赖性混合; 并从中产生噪声降低的数字X射线图像。 还描述了用用于促进数字放射照相图像中的信号自适应噪声降低的编程编码的计算机可读介质,以及包括这种编程的数字放射照相成像系统。