Difficulty sample acquisition method, device and equipment and readable storage medium
A technology for obtaining methods and samples, applied in the field of deep learning, can solve the problems of poor scene adaptability, low accuracy of deep learning models, limited coverage of training data sets, etc., to achieve the effect of improving coverage, reducing difficulty and workload
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[0063] Deep learning is a data-driven technology, and the quality of deep learning models depends heavily on the quality of training samples in the training dataset. When the number of training samples in the training data set reaches a certain level, the role of regular samples in promoting the accuracy of deep learning models becomes smaller and smaller. However, difficult samples play an increasingly important role in improving the accuracy of deep learning models. Difficult samples are also called difficult samples, small probability samples, etc. The proportion of difficult samples in the training data set is called sample balance. If the proportion of difficult samples is small, the sample is considered unbalanced.
[0064]In order to obtain difficult samples to achieve sample balance, the common practice in the industry is to use methods such as Hard Example Mining and Focal Loss to mine difficult samples. However, these methods all adjust the weights of samples in a...
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