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MACHINE VISION SYSTEM WITH A COMPUTER GENERATED VIRTUAL REFERENCE OBJECT
MACHINE VISION SYSTEM WITH A COMPUTER GENERATED VIRTUAL REFERENCE OBJECT
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机译:具有计算机生成的虚拟参考对象的机器视觉系统
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摘要
A machine vision system using a computer generated virtual reference object is disclosed. When the exact measures of the virtual reference object are known the machine vision system is capable of measuring differences on an absolute scale. In the machine vision system, a virtual reference object is produced based on computer drawings. The computer generated virtual reference object is further processed in order to achieve high photorealistic accuracy. The processing may involve combining portions from image of a manufactured object or computationally producing an image that looks like measured object. When the computer generated virtual reference object is based on the model drawing it does not include inaccuracies caused by manufacturing tolerances.
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