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    • 5. 发明申请
    • MOTION ANALYSIS THROUGH GEOMETRY CORRECTION AND WARPING
    • 运动分析通过几何校正和加温
    • US20130070967A1
    • 2013-03-21
    • US13584887
    • 2012-08-14
    • Yakup GencGang LiClifford Hatcher
    • Yakup GencGang LiClifford Hatcher
    • G06K9/78
    • G06T7/20G06T2207/10016G06T2207/30164
    • An object in a hot atmosphere with a temperature greater than 400 F in a gas turbine moves in a 3D space. The movement may include a vibrational movement. The movement includes a rotational movement about an axis and a translational movement along the axis. Images of the object are recorded with a camera, which may be a high-speed camera. The object s provided with a pattern that is tracked in images. Warpings of sub-patches in a reference image of the object are determined to form standard format warped areas. The warpings are applied piece-wise to areas in following images to create corrected images. Standard tracking such as SSD tracking is applied to the piece-wise corrected images to determine a movement of the object. The image correction and object tracking are performed by a processor.
    • 在燃气轮机中温度高于400°F的热气氛中的物体在3D空间中移动。 运动可以包括振动运动。 运动包括围绕轴的旋转运动和沿着轴的平移运动。 用相机拍摄物体的图像,摄像机可能是高速摄像机。 对象被提供有在图像中跟踪的图案。 确定对象的参考图像中的子补丁的变形以形成标准格式的扭曲区域。 将经线分段应用于以下图像中的区域以产生校正图像。 诸如SSD跟踪的标准跟踪被应用于分段校正图像以确定对象的移动。 图像校正和对象跟踪由处理器执行。