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How can transfer learning improve the performance of a neural network with limited data?
Asked on Feb 09, 2026
Answer
Transfer learning can significantly enhance the performance of a neural network when data is limited by leveraging pre-trained models. These models, trained on large datasets, can be fine-tuned on a smaller, task-specific dataset, improving accuracy and reducing training time.
Example Concept: Transfer learning involves taking a pre-trained model, such as a convolutional neural network trained on ImageNet, and adapting it to a new, related task with limited data. The initial layers of the model, which capture general features, are retained, while the final layers are retrained to suit the specific task. This approach allows the model to benefit from the knowledge gained during the initial training, leading to better performance even with a smaller dataset.
Additional Comment:
- Transfer learning is particularly useful in domains like image classification, natural language processing, and speech recognition.
- Common pre-trained models include VGG, ResNet, and BERT, which can be adapted for various tasks.
- Fine-tuning involves adjusting the weights of the later layers while keeping the earlier layers fixed or slightly adjustable.
- This method reduces the risk of overfitting, as the model starts with a strong foundation of learned features.
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