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AdaViT: Adaptive Vision Transformers for Efficient Image Recognition
Abstract
Built on top of self-attention mechanisms, vision transformers have demonstrated remarkable performance on a variety of tasks recently. While achieving excellent performance, they still require relatively intensive computational cost that scales up drastically as the numbers of patches, self-attention heads and transformer blocks increase. In this paper, we argue that due to the large variations among images, their need for modeling long-range dependencies between patches differ. To this end, we introduce AdaViT, an adaptive computation framework that learns to derive usage policies on which patches, self-attention heads and transformer blocks to use throughout the backbone on a per-input basis, aiming to improve inference efficiency of vision transformers with a minimal drop of accuracy for image recognition. Optimized jointly with a transformer backbone in an end-to-end manner, a light-weight decision network is attached to the backbone to produce decisions on-the-fly. Extensive experiments on ImageNet demonstrate that our method obtains more than 2 × improvement on efficiency compared to state-of-the-art vision transformers with only 0.8% drop of accuracy, achieving good efficiency/accuracy trade-offs conditioned on different computational budgets. We further conduct quantitative and qualitative analysis on learned usage polices and provide more insights on the redundancy in vision transformers. Code is available at ht tps: / / gi thub. com/MengLcool/AdaVi T.
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“Yet, token pruning has several disadvantages: the information loss from pruning limits how many tokens you can reasonably reduce;”
From Token Merging: Your ViT But Faster (2022) · cites this paper as Meng et al., 2022
In the citing paper
“current methods require re-training the model to be effective (some with extra parameters);”
From Token Merging: Your ViT But Faster (2022) · cites this paper as Meng et al., 2022
In the citing paper
“and several prune different numbers of tokens depending on the input content, making batched inference infeasible.”
From Token Merging: Your ViT But Faster (2022) · cites this paper as Meng et al., 2022
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“most cannot be applied to speed up training;”
From Token Merging: Your ViT But Faster (2022) · cites this paper as Meng et al., 2022
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Flagged first, then by citations
4 of the 59 references couldn’t be matched to a known paper.
Research works printed but not linked: 5
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Self-citation
Metadata
- Authors
- Meng, L., Li, H., Chen, B.-C., Lan, S., Wu, Z., Jiang, Y.-G., & Lim, S.-N.
- Affiliations
- Fudan University (CN)
- University of Maryland, College Park (US)
- Meta (United States) (US)
- Venue
- 2022 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)
- Publisher
- IEEE
- Published
- 2022-06
- Pages
- 12299-12308
- ISSN
- 1063-6919 (ISSN-L)
- OpenAlex
- W4226174225
- Cited by
- 262
- References
- 59
- Citations by year
- 2026: 35 · 2025: 68 · 2024: 106 · 2023: 47 · 2022: 6
- FWCI
- 20.58
- Type
- conference paper
- Language
- en
- Open access
- closed
- Locations
- IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings (publishedVersion)
- Funders
- National Key R&D Program of China (2021ZDOI12805)
- Topics
- Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Advanced Neural Network Applications
- Physical Sciences › Computer Science › Artificial Intelligence › Domain Adaptation and Few-Shot Learning
- Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Visual Attention and Saliency Detection
- Keywords
- vision transformer, adaptive computation, self-attention, inference efficiency, image recognition, influence diagrams, long-range dependencies, accuracy-efficiency trade-off
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