Computer Science > Computer Vision and Pattern Recognition
[Submitted on 19 Apr 2022 (v1), last revised 21 Apr 2022 (this version, v2)]
Title:Modeling Missing Annotations for Incremental Learning in Object Detection
View PDFAbstract:Despite the recent advances in the field of object detection, common architectures are still ill-suited to incrementally detect new categories over time. They are vulnerable to catastrophic forgetting: they forget what has been already learned while updating their parameters in absence of the original training data. Previous works extended standard classification methods in the object detection task, mainly adopting the knowledge distillation framework. However, we argue that object detection introduces an additional problem, which has been overlooked. While objects belonging to new classes are learned thanks to their annotations, if no supervision is provided for other objects that may still be present in the input, the model learns to associate them to background regions. We propose to handle these missing annotations by revisiting the standard knowledge distillation framework. Our approach outperforms current state-of-the-art methods in every setting of the Pascal-VOC dataset. We further propose an extension to instance segmentation, outperforming the other baselines. Code can be found here: this https URL
Submission history
From: Fabio Cermelli [view email][v1] Tue, 19 Apr 2022 09:22:50 UTC (1,020 KB)
[v2] Thu, 21 Apr 2022 15:48:57 UTC (1,020 KB)
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