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Diffusion models excel in high-fidelity image generation but face scalability limits due to transformers' quadratic attention complexity. Plug-and-play token reduction methods like ToMeSD and ToFu reduce FLOPs by merging redundant tokens in…

Machine Learning · Computer Science 2025-12-02 Wenbo Lu , Shaoyi Zheng , Yuxuan Xia , Shengjie Wang

Since its inception, Vision Transformer (ViT) has emerged as a prevalent model in the computer vision domain. Nonetheless, the multi-head self-attention (MHSA) mechanism in ViT is computationally expensive due to its calculation of…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Zhe Bian , Zhe Wang , Wenqiang Han , Kangping Wang

Diffusion-based multimodal large language models (Diffusion MLLMs) have recently demonstrated impressive non-autoregressive generative capabilities across vision-and-language tasks. However, Diffusion MLLMs exhibit substantially slower…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Shuochen Chang , Xiaofeng Zhang , Qingyang Liu , Li Niu

Vision transformers have achieved significant improvements on various vision tasks but their quadratic interactions between tokens significantly reduce computational efficiency. Many pruning methods have been proposed to remove redundant…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Sifan Long , Zhen Zhao , Jimin Pi , Shengsheng Wang , Jingdong Wang

This paper investigates how to efficiently deploy vision transformers on edge devices for small workloads. Recent methods reduce the latency of transformer neural networks by removing or merging tokens, with small accuracy degradation.…

Machine Learning · Computer Science 2024-11-12 Nick John Eliopoulos , Purvish Jajal , James C. Davis , Gaowen Liu , George K. Thiravathukal , Yung-Hsiang Lu

Foundation models for 3D vision have recently demonstrated remarkable capabilities in 3D perception. However, scaling these models to long-sequence image inputs remains a significant challenge due to inference-time inefficiency. In this…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 You Shen , Zhipeng Zhang , Yansong Qu , Xiawu Zheng , Jiayi Ji , Shengchuan Zhang , Liujuan Cao

Balancing efficiency and accuracy is a long-standing problem for deploying deep learning models. The trade-off is even more important for real-time safety-critical systems like autonomous vehicles. In this paper, we propose an effective…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Mao Ye , Gregory P. Meyer , Yuning Chai , Qiang Liu

The Visual Geometry Grounded Transformer (VGGT) marks a significant leap forward in 3D scene reconstruction, as it is the first model that directly infers all key 3D attributes (camera poses, depths, and dense geometry) jointly in one pass.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Weitian Wang , Lukas Meiner , Rai Shubham , Cecilia De La Parra , Akash Kumar

Many adaptations of transformers have emerged to address the single-modal vision tasks, where self-attention modules are stacked to handle input sources like images. Intuitively, feeding multiple modalities of data to vision transformers…

Computer Vision and Pattern Recognition · Computer Science 2022-07-18 Yikai Wang , Xinghao Chen , Lele Cao , Wenbing Huang , Fuchun Sun , Yunhe Wang

This paper is not motivated to seek innovation within the attention mechanism. Instead, it focuses on overcoming the existing trade-offs between accuracy and efficiency within the context of point cloud processing, leveraging the power of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Xiaoyang Wu , Li Jiang , Peng-Shuai Wang , Zhijian Liu , Xihui Liu , Yu Qiao , Wanli Ouyang , Tong He , Hengshuang Zhao

Feed-forward 3D foundation models face a key challenge: the quadratic computational cost introduced by global attention, which severely limits scalability as input length increases. Concurrent acceleration methods, such as token merging,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Xinze Li , Pengxu Chen , Yiyuan Wang , Weifeng Su , Wentao Cheng

Video Transformers have become the prevalent solution for various video downstream tasks with superior expressive power and flexibility. However, these video transformers suffer from heavy computational costs induced by the massive number…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Joonmyung Choi , Sanghyeok Lee , Jaewon Chu , Minhyuk Choi , Hyunwoo J. Kim

As generative models scale to larger inputs across language, vision, and video domains, the cost of token-level computation has become a key bottleneck. While prior work suggests that only a subset of tokens significantly influence…

Artificial Intelligence · Computer Science 2025-08-20 Dong Liu , Yanxuan Yu

Recent advancements in Diffusion Transformer (DiT) models have significantly improved 3D point cloud generation. However, existing methods primarily focus on local feature extraction while overlooking global topological information, such as…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Zechao Guan , Feng Yan , Shuai Du , Lin Ma , Qingshan Liu

3D model generation from single 2D RGB images is a challenging and actively researched computer vision task. Various techniques using conventional network architectures have been proposed for the same. However, the body of research work is…

Computer Vision and Pattern Recognition · Computer Science 2021-06-30 Abdul Mueed Hafiz , Rouf Ul Alam Bhat , Shabir Ahmad Parah , M. Hassaballah

Processing 3D data efficiently has always been a challenge. Spatial operations on large-scale point clouds, stored as sparse data, require extra cost. Attracted by the success of transformers, researchers are using multi-head attention for…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Mahdi Saleh , Yige Wang , Nassir Navab , Benjamin Busam , Federico Tombari

Pre-training strategies play a critical role in advancing the performance of transformer-based models for 3D point cloud tasks. In this paper, we introduce Point-RTD (Replaced Token Denoising), a novel pretraining strategy designed to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Gunner Stone , Youngsook Choi , Alireza Tavakkoli , Ankita Shukla

Vision transformers have demonstrated remarkable success in a wide range of computer vision tasks over the last years. However, their high computational costs remain a significant barrier to their practical deployment. In particular, the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Maxim Bonnaerens , Joni Dambre

Creating machines capable of understanding the world in 3D is essential in assisting designers that build and edit 3D environments and robots navigating and interacting within a three-dimensional space. Inspired by advances in language and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Aadarsh Sahoo , Vansh Tibrewal , Georgia Gkioxari

While specialized Medical Vision-Language Models (VLMs) have achieved remarkable success in interpreting 2D and 3D medical modalities, their deployment for 3D volumetric data remains constrained by significant computational inefficiencies.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Shengyuan Liu , Zanting Ye , Yunrui Lin , Chen Hu , Wanting Geng , Xu Han , Bulat Ibragimov , Yefeng Zheng , Yixuan Yuan