Continual learning with selective nets

Hai Tung Luu

doi:10.1007/s10489-025-06497-z

Continual learning with selective nets

2025-05-01

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DOI：10.1007/s10489-025-06497-z

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The widespread adoption of foundation models has significantly transformed machine learning, enabling even straightforward architectures to achieve results comparable to state-of-the-art methods. Inspired by the brain's natural learning process-where studying a new concept activates distinct neural pathways and recalling that memory requires a specific stimulus to fully recover the information-we present a novel approach to dynamic task identification and submodel selection in continual learning. Our method leverages the power of the learning robust visual features without supervision model (DINOv2) foundation model to handle multi-experience datasets by dividing them into multiple experiences, each representing a subset of classes. To build a memory of these classes, we employ strategies such as using random real images, distilled images, k-nearest neighbours (kNN) to identify the closest samples to each cluster, and support vector machines (SVM) to select the most representative samples. During testing, where the task identification (ID) is not provided, we extract features of the test image and use distance measurements to match it with the stored features. Additionally, we introduce a new forgetting metric specifically designed to measure the forgetting rate in task-agnostic continual learning scenarios, unlike traditional task-specific approaches. This metric captures the extent of knowledge loss across tasks where the task identity is unknown during inference. Despite its simple architecture, our method delivers competitive performance across various datasets, surpassing state-of-the-art results in certain instances.

Keyword:

Continual learning

Computer vision

Image classification

Machine learning

Continual learning with selective nets

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