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    • 3. 发明授权
    • System and method for imaging apparatus calibration
    • 成像装置校准的系统和方法
    • US08743340B2
    • 2014-06-03
    • US12648603
    • 2009-12-29
    • Max Eric SchliengerPaul Anthony Withey
    • Max Eric SchliengerPaul Anthony Withey
    • G03B27/42
    • G03B21/005B29C64/20G03B17/54G03B21/147G03B21/53
    • A system is disclosed including an image sensor positioned at a first specified angle relative to a projected image plane. The system includes a projector that projects a test pattern onto the projected image plane. A controller is structured to iteratively adjust the projector focus until an image focus index is maximized, where the image focus index is a function of an amplitude of at least one harmonic frequency of a scan of the test pattern. The controller is further structured to determine a skew indicator value and adjust a projector skew adjustment. The controller is further structured to compare a current zoom level to a target zoom level and adjust a projector zoom. The projected image plane is a manufacturing surface, where the projected image is utilized in a manufacturing process.
    • 公开了一种系统,其包括相对于投影图像平面以第一特定角度定位的图像传感器。 该系统包括将测试图案投影到投影图像平面上的投影仪。 控制器被构造为迭代地调整投影仪焦点,直到图像焦点指数最大化,其中图像焦点指数是测试图案的扫描的至少一个谐波频率的幅度的函数。 控制器进一步构造为确定偏斜指示器值并调整投影机倾斜调整。 控制器进一步被构造为将当前缩放级别与目标缩放级别进行比较并调整投影机缩放。 投影图像平面是制造表面,其中投影图像在制造过程中被利用。