公开(公告)号：US07327857B2

公开(公告)日：2008-02-05

申请号：US10797329

申请日：2004-03-09

申请人： Thomas Watkins Lloyd, Jr. ,  Joseph Benjamin Ross ,  Glen William Brooksby ,  Van-Duc Nguyen ,  John Lewis Schneiter ,  Steven Jeffrey Gordon ,  Faycal Benayad-Cherif ,  Victor Nzomigni ,  Donald Hamilton

发明人： Thomas Watkins Lloyd, Jr. ,  Joseph Benjamin Ross ,  Glen William Brooksby ,  Van-Duc Nguyen ,  John Lewis Schneiter ,  Steven Jeffrey Gordon ,  Faycal Benayad-Cherif ,  Victor Nzomigni ,  Donald Hamilton

IPC分类号： G06K9/00

CPC分类号： F01D5/141 ,  F01D21/003 ,  G01B11/2522 ,  Y02T50/673

摘要： A non-contact imaging apparatus for examining an object having complex surfaces or shape deformations. The imaging apparatus includes at least one imaging device for obtaining a scanned image of the exterior surfaces of the object being examined. A predetermined reference image) of an ideal model for the object is stored in a memory. An image register is coupled to the imaging device and to the memory containing the reference image of the ideal model for the object. A transformation estimator compares the scanned image to the reference image and provides a transform which maps the scanned image to the reference image and provides a set of registered object data points. One or more filter modules process the registered object data points with a priori information to reduce noise and to further enhance the accuracy and precision of the registration. A gauge estimator is coupled to the filter module. The gauge estimator utilizes the processed and registered object data to determine deformation parameters of the object, which are then displayed to an operator as gauging information.

摘要翻译： 一种用于检查具有复杂表面或形状变形的物体的非接触式成像装置。 成像装置包括至少一个成像装置，用于获得被检查物体的外表面的扫描图像。 用于对象的理想模型的预定参考图像被存储在存储器中。 图像寄存器耦合到成像装置和包含用于对象的理想模型的参考图像的存储器。 变换估计器将扫描图像与参考图像进行比较，并提供将扫描图像映射到参考图像并提供一组注册对象数据点的变换。 一个或多个过滤器模块利用先验信息处理注册对象数据点以减少噪声并进一步提高注册的准确性和精度。 量规估计器耦合到滤波器模块。 量规估计器利用经处理和注册的对象数据来确定对象的变形参数，然后将其显示给操作者作为测量信息。