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Definitions from the Web

Preprocessing

Definition:

Preprocessing refers to the steps or actions taken to prepare or modify data before it can be used for a specific purpose, such as analysis, machine learning, or data mining.

Sense 1 - Noun:

In computer science, preprocessing is a phase in software development where data is manipulated or transformed prior to its main usage.

Example: The preprocessing of raw images involved noise removal and resizing to ensure better accuracy for facial recognition.

Sense 2 - Verb:

As a verb, preprocessing is the act of performing preprocessing on data, typically by applying various techniques or algorithms to clean, normalize, or enhance the quality of the data prior to further analysis.

Example: Before training the neural network, the input data must undergo preprocessing, including feature scaling and dimensionality reduction.

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