Region-Aware Pretraining for Open-Vocabulary Object Detection with Vision Transformers
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Abstract (arXiv)
We present Region-aware Open-vocabulary Vision Transformers (RO-ViT) - a contrastive image-text pretraining recipe to bridge the gap between image-level pretraining and open-vocabulary object detection. At the pretraining phase, we propose to randomly crop and resize regions of positional embeddings instead of using the whole image positional embeddings. This better matches the use of positional embeddings at region-level in the detection finetuning phase. In addition, we replace the common softmax cross entropy loss in contrastive learning with focal loss to better learn the informative yet difficult examples. Finally, we leverage recent advances in novel object proposals to improve open-vocabulary detection finetuning. We evaluate our full model on the LVIS and COCO open-vocabulary detection benchmarks and zero-shot transfer. RO-ViT achieves a state-of-the-art 34.1 APr on LVIS, surpassing the best existing approach by +7.8 points in addition to competitive zero-shot transfer detection. Surprisingly, RO-ViT improves the image-level representation as well and achieves the state of the art on 9 out of 12 metrics on COCO and Flickr image-text retrieval benchmarks, outperforming competitive approaches with larger models.
Key facts. Cited by 91 papers in the map (data through 14 Oct 2026). Builds on 61 of its 70 references that are in the map. First posted on arXiv 11 May 2023.
Builds on
61 of 70 references.
References · 61
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- 2015Flickr30k Entities: Collecting Region-to-Phrase Correspondences for Richer Image-to-Sentence Modelscited by 1,362
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- 2019LVIS: A Dataset for Large Vocabulary Instance Segmentationcited by 1,217
- 2021Grounded Language-Image Pre-trainingcited by 1,156
- 2021Open-vocabulary Object Detection via Vision and Language Knowledge Distillationcited by 906
- 2021Florence: A New Foundation Model for Computer Visioncited by 804
- 2017Focal Loss for Dense Object Detectioncited by 752
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- 2020Simple Copy-Paste is a Strong Data Augmentation Method for Instance Segmentationcited by 596
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- 2018Zero-Shot Object Detectioncited by 189
- 2021Combined Scaling for Zero-shot Transfer Learningcited by 182
- 2015Learning Visual Features from Large Weakly Supervised Datacited by 165
- 2021Efficient Visual Pretraining with Contrastive Detectioncited by 150
- 2022F-VLM: Open-Vocabulary Object Detection upon Frozen Vision and Language Modelscited by 150
- 2020Seesaw Loss for Long-Tailed Instance Segmentationcited by 146
- 2022Bridging the Gap between Object and Image-level Representations for Open-Vocabulary Detectioncited by 146
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- 2022PromptDet: Towards Open-vocabulary Detection using Uncurated Imagescited by 133
- 2020Learning Visual Representations with Caption Annotationscited by 123
- 2021Aligning Pretraining for Detection via Object-Level Contrastive Learningcited by 110
- 2021Learning Open-World Object Proposals without Learning to Classifycited by 109
- 2022SegViT: Semantic Segmentation with Plain Vision Transformerscited by 106
- 2022Exploiting Unlabeled Data with Vision and Language Models for Object Detectioncited by 97
50 most cited of 61 All 61 (JSON)
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Citing papers per year: 2023: 17; 2024: 30; 2025: 27; 2026: 17.
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