V2EX preprocessing

Preprocessing

释义 Definition

preprocessing(名词)指在正式处理/分析数据或材料之前进行的预处理步骤,用来清理、转换、规范化或准备输入,以便后续流程更准确、更高效。(在计算机科学、数据分析、图像/文本处理、制造流程中很常见)

发音 Pronunciation

/priprses/

例句 Examples

We do some preprocessing before training the model.
我们在训练模型之前会做一些预处理。

Careful preprocessing, including removing outliers and standardizing features, can greatly improve the reliability of the final results.
细致的预处理(包括移除异常值和对特征做标准化)能显著提高最终结果的可靠性。

词源 Etymology

由 **pre-**(“在……之前”)+ processing(“处理”)构成,字面意思就是“在处理之前进行的处理”。在技术语境里,它通常特指为后续算法、流程或生产步骤做准备的一组操作。

相关词 Related Words

文学与著作中的用例 Literary & Notable Works

  • Pattern Recognition and Machine Learning(Christopher M. Bishop)在机器学习章节中讨论数据/特征的预处理对模型效果的影响。
  • The Elements of Statistical Learning(Hastie, Tibshirani, Friedman)涉及数据准备、变量变换等与预处理密切相关的内容。
  • Deep Learning(Goodfellow, Bengio, Courville)多处提到训练前的数据预处理与输入规范化的重要性。
  • Speech and Language Processing(Jurafsky & Martin)在文本与语言数据处理中讨论分词、规范化等预处理步骤。
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