本文针对LED芯片分选系统的成像系统的特殊条件及较高的精度要求，进行了视觉定标模型的计算和构建。
For the special condition and high precision requirement of the LED chip sorting system, the model of vision calibration is built and calculated.
基于机器视觉的自动定位是LED芯片检测和分选中的一项重要技术。
Automatic alignment technique on the basis of machine vision is one of the most important techniques in the check and sorting of LED chip.
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