English

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Etymology

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pre- +‎ train

Verb

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pretrain (third-person singular simple present pretrains, present participle pretraining, simple past and past participle pretrained)

  1. (machine learning) To train (a neural network) on some data set (typically a large generic data set, the output of which one is not directly interested in) before fine-tuning the network on another dataset one is interested in.
    • 2015, Hyeonseob Nam, Bohyung Han, “Learning Multi-Domain Convolutional Neural Networks for Visual Tracking”, in arXiv[1]:
      Our algorithm pretrains a CNN using a large set of videos with tracking ground-truths to obtain a generic target representation.

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