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Communication Dans Un Congrès Année : 2021

Adaptive Inference for Face Recognition leveraging Deep Metric Learning-enabled Early Exits

Résumé

Deep Learning (DL) models that support adaptive computational graphs allow for easily adapting the computations to the available resources by selecting the most appropriate computational path. However, such models are typically used in classification settings, e.g., using early exits, despite that DL models often aim at extracting representations, e.g., for face recognition. In this work, we provide a metric-learning oriented early exit methodology for DL models. As we demonstrate, employing early exits in metric learning scenarios pose unique challenges compared to existing methodologies for classificationoriented early exits. To this end, we employ the Bag-of-Features model to efficiently extract compact representations from any layer of a DL model that is then combined with an efficient linear regressor to match the final representation of the model (without having to feedforward the whole computational graph). The proposed method is agile and can be directly used with any pretrained DL model, while it is end-to-end differentiable, allowing for further fine-tuning the models towards having multiple early exits. The effectiveness of the proposed method is demonstrated using five face verification/recognition datasets.
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Dates et versions

hal-03412514 , version 1 (03-11-2021)

Identifiants

  • HAL Id : hal-03412514 , version 1

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Nikolaos Passalis, Anastasios Tefas. Adaptive Inference for Face Recognition leveraging Deep Metric Learning-enabled Early Exits. European Signal Processing Conference (EUSIPCO), Aug 2021, Dublin, Ireland. ⟨hal-03412514⟩
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