Papers › Distilling DETR with Visual-Linguistic Knowledge for Open-Vocabulary Object Detection

Distilling DETR with Visual-Linguistic Knowledge for Open-Vocabulary Object Detection

1 Jan 2023ICCV 2023 1archive 2025-07-28

Liangqi Li, Jiaxu Miao, Dahu Shi, Wenming Tan, Ye Ren, Yi Yang, ShiLiang Pu

Current methods for open-vocabulary object detection (OVOD) rely on a pre-trained vision-language model (VLM) to acquire the recognition ability. In this paper, we propose a simple yet effective framework to Distill the Knowledge from the VLM to a DETR-like detector, termed DK-DETR. Specifically, we present two ingenious distillation schemes named semantic knowledge distillation (SKD) and relational knowledge distillation (RKD). To utilize the rich knowledge from the VLM systematically, SKD transfers the semantic knowledge explicitly, while RKD exploits implicit relationship information between objects. Furthermore, a distillation branch including a group of auxiliary queries is added to the detector to mitigate the negative effect on base categories. Equipped with SKD and RKD on the distillation branch, DK-DETR improves the detection performance of novel categories significantly and avoids disturbing the detection of base categories. Extensive experiments on LVIS and COCO datasets show that DK-DETR surpasses existing OVOD methods under the setting that the base-category supervision is solely available. The code and models are available at https://github.com/hikvision-research/opera.

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Knowledge DistillationLanguage ModelingLanguage ModellingObject DetectionOpen Vocabulary Object DetectionOpen-vocabulary object detectionobject-detection

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BASEKnowledge Distillation

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