# O

**Optical Character Recognition（光学字符识别）**

将打印、手写或键入文本的图像转换为机器友好的文本格式。

**Optimization（优化）**

从可用替代方案中（基于某些标准）选择最佳方案。

**Overfitting（过度拟合）**

模型在不知情的情况下识别出噪声中的模式并假设这些模式代表了底层结构；模型的生成结果与特定数据集过于接近，因此无法很好地归纳到不可见的观察结果。

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