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Overcoming Catastrophic Forgetting in Continuous

Authors: Everton Lima Aleixo; Juan Gabriel Colonna;

Overcoming Catastrophic Forgetting in Continuous

Abstract

Current convolutional neural network (CNN) models excel at image classification tasks, often achieving performance comparable to or surpassing human capabilities. However, when these models are subjected to continuous learning scenarios, where new image classes are progressively added, their accuracy on previously learned classes tends to decrease drastically, a phenomenon known as catastrophic forgetting (CF). Existing techniques to mitigate CF often incur significant computational costs, manifesting as increased model sizes that demand more memory and hardware resources, or extended training times due to larger datasets and retraining efforts. To address this issue, we explore the use of Low-Rank Adapters, which applies the Low-Rank Adaptation (LoRA) technique to convolutional neural networks (CNN), to mitigate CF in continuous learning. Our approach effectively reduces CF while only minimally increasing the number of new parameters added to the CNN model. We evaluate this method on benchmark datasets commonly used in continuous learning setups, under a task-incremental scenario, demonstrating that CF can be mitigated with less than a 15% increase in parameters for each new task in the convolutional layers, and approximately a 2% increase when considering the entire model compared to our baseline, while maintaining similar accuracy.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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