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    • 8. 发明授权
    • Method and program for comparing the size of a feature in sequential x-ray images
    • 用于比较连续X射线图像中特征的大小的方法和程序
    • US07499579B2
    • 2009-03-03
    • US10837794
    • 2004-05-03
    • John R. SquillaJohn T. BolandJohn P. Spoonhower
    • John R. SquillaJohn T. BolandJohn P. Spoonhower
    • G06K9/00
    • G06T7/0004A61C19/04
    • A method of comparing the size of a feature in sequential X-ray images includes the steps of: forming first and second sequential X-ray images including an image of the feature, an image of a first target located directly adjacent the feature and an image of a second target located between the object and an X-ray detector; calculating scale factors for the first and second X-ray images based on the relative sizes of the images of the first and second targets in the X-ray images; measuring the sizes of the feature in the first and second X-ray images; adjusting the measured sizes of the feature in the first and second X-ray images by the respective scale factors; and comparing the adjusted measured sizes. A computer program product for performing the method is also provided.
    • 在顺序X射线图像中比较特征尺寸的方法包括以下步骤:形成包括特征图像的第一和第二连续X射线图像,与特征直接相邻的第一目标的图像和图像 位于物体和X射线检测器之间的第二目标; 基于X射线图像中的第一和第二目标的图像的相对大小来计算第一和第二X射线图像的比例因子; 测量第一和第二X射线图像中的特征的尺寸; 通过各个比例因子调整第一和第二X射线图像中的特征的测量尺寸; 并比较调整后的测量尺寸。 还提供了一种用于执行该方法的计算机程序产品。
    • 9. 发明授权
    • Method for determining dental alignment using radiographs
    • 使用X光照片确定牙齿矫正的方法
    • US07245753B2
    • 2007-07-17
    • US10606709
    • 2003-06-26
    • John R. SquillaJohn T. BolandJohn P. Spoonhower
    • John R. SquillaJohn T. BolandJohn P. Spoonhower
    • G06K9/00
    • A61C9/004A61C13/0004
    • A method for determining dental alignment of a 3-dimensional model of one or more teeth of a patient comprises the steps of: (a) obtaining a radiograph of the teeth of the patient; (b) obtaining a digital image from the radiograph indicative of the dental alignment of the teeth relative to a dental arch of the patient; (c) overlaying the 3-dimensional model of the teeth with the digital image obtained from the radiograph; (d) determining vertical and horizontal mis-alignment of the teeth in the 3-dimensional model relative to the digital image obtained from the radiograph; and (e) adjusting the 3-dimensional model to correct for the mis-alignment, thereby producing an adjusted 3-dimensional model of the teeth that is corrected for the vertical and horizontal alignment of the teeth relative to the dental arch.
    • 一种用于确定患者的一个或多个牙齿的三维模型的牙线校准的方法,包括以下步骤:(a)获得患者牙齿的放射照片; (b)从指示牙齿相对于患者牙弓的牙齿排列的X射线照片获得数字图像; (c)用从X射线照片获得的数字图像覆盖牙齿的三维模型; (d)确定相对于从X射线照片获得的数字图像,三维模型中的牙齿的垂直和水平不对准; 和(e)调整三维模型以校正错误对准,由此产生针对牙齿相对于牙弓的垂直和水平对准而被校正的牙齿的经调整的三维模型。
    • 10. 发明授权
    • Intra-oral camera system with chair-mounted display
    • 带座椅显示器的口腔内相机系统
    • US07139016B2
    • 2006-11-21
    • US10727960
    • 2003-12-04
    • John R. SquillaJohn T. BolandJohn P. Spoonhower
    • John R. SquillaJohn T. BolandJohn P. Spoonhower
    • H04N7/18
    • A61B1/24A61B1/00016A61B1/00034A61B1/00048A61B1/042A61B2560/0456
    • A portable intra-oral capture and display system, designed for use by a dental practitioner in connection with a patient seated in a dental chair, includes: a handpiece elongated for insertion into an oral cavity of the patient, where the handpiece includes a light emitter on a distal end thereof for illuminating an object in the cavity and an image sensor for capturing an image of the object and generating an image signal therefrom; a monitor interconnected with the handpiece, where the monitor contains electronics for processing the image for display and a display element for displaying the image, where the interconnection between the monitor and the handpiece includes an electrical connection for communicating the image signal from the image sensor in the camera to the electronics in the monitor; and a receptacle on the dental chair for receiving the monitor, wherein the receptacle conforms to the monitor such that the monitor may be withdrawn from the receptacle in order to allow the display element to be seen by the dental practitioner or the patient.
    • 便携式口内捕获和显示系统,被设计用于与坐在牙椅中的患者相关联的牙科医生使用,包括:伸长以插入到患者的口腔中的手柄,其中所述手持件包括发光体 在其远端用于照射空腔中的物体;以及图像传感器,用于捕获物体的图像并从其生成图像信号; 与手持件互连的监视器,其中监视器包含用于处理用于显示的图像的电子装置和用于显示图像的显示元件,其中监视器和手持件之间的互连包括用于将来自图像传感器的图像信号传送的电连接 相机到显示器中的电子元件; 以及用于接收监视器的牙科椅上的容器,其中容器符合监视器,使得监视器可以从容器中取出,以允许由牙科医生或患者看到显示元件。