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Composed Image Retrieval (CIR) retrieves target images using a multi-modal query that combines a reference image with text describing desired modifications. The primary challenge is effectively fusing this visual and textual information.…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Chaoyang Wang , Zeyu Zhang , Long Teng , Zijun Li , Shichao Kan

Contrastive learning (CL) for Vision Transformers (ViTs) in image domains has achieved performance comparable to CL for traditional convolutional backbones. However, in 3D point cloud pretraining with ViTs, masked autoencoder (MAE) modeling…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Bin Ren , Guofeng Mei , Danda Pani Paudel , Weijie Wang , Yawei Li , Mengyuan Liu , Rita Cucchiara , Luc Van Gool , Nicu Sebe

The next-coordinate prediction paradigm has emerged as the de facto standard in current auto-regressive mesh generation methods. Despite their effectiveness, there is no efficient measurement for the various tokenizers that serialize meshes…

Graphics · Computer Science 2025-05-21 Jian Liu , Haohan Weng , Biwen Lei , Xianghui Yang , Zibo Zhao , Zhuo Chen , Song Guo , Tao Han , Chunchao Guo

Masked Image Modeling (MIM) methods, like Masked Autoencoders (MAE), efficiently learn a rich representation of the input. However, for adapting to downstream tasks, they require a sufficient amount of labeled data since their rich features…

Computer Vision and Pattern Recognition · Computer Science 2023-09-15 Johannes Lehner , Benedikt Alkin , Andreas Fürst , Elisabeth Rumetshofer , Lukas Miklautz , Sepp Hochreiter

Recently, self-supervised Masked Autoencoders (MAE) have attracted unprecedented attention for their impressive representation learning ability. However, the pretext task, Masked Image Modeling (MIM), reconstructs the missing local patches,…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Feng Liang , Yangguang Li , Diana Marculescu

Optical and optoelectronic approaches of performing matrix-vector multiplication (MVM) operations have shown the great promise of accelerating machine learning (ML) algorithms with unprecedented performance. The incorporation of…

Emerging Technologies · Computer Science 2020-12-04 Weilu Gao , Cunxi Yu , Ruiyang Chen

To effectively leverage user-specific data, retrieval augmented generation (RAG) is employed in multimodal large language model (MLLM) applications. However, conventional retrieval approaches often suffer from limited retrieval accuracy.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Maoliang Li , Ke Li , Yaoyang Liu , Jiayu Chen , Zihao Zheng , Yinjun Wu , Chenchen Liu , Xiang Chen

3D vision foundation models like Visual Geometry Grounded Transformer (VGGT) have advanced greatly in geometric perception. However, it is time-consuming and memory-intensive for long sequences, limiting application to large-scale scenes…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Zhijian Shu , Cheng Lin , Tao Xie , Wei Yin , Ben Li , Zhiyuan Pu , Weize Li , Yao Yao , Xun Cao , Xiaoyang Guo , Xiao-Xiao Long

Vision Mamba has emerged as a strong competitor to Vision Transformers (ViTs) due to its ability to efficiently capture long-range dependencies with linear computational complexity. While token reduction, an effective compression technique…

Computer Vision and Pattern Recognition · Computer Science 2025-07-21 Qiankun Ma , Ziyao Zhang , Chi Su , Jie Chen , Zhen Song , Hairong Zheng , Wen Gao

Vision encoders serve as the cornerstone of multimodal understanding. Single-encoder architectures like CLIP exhibit inherent constraints in generalizing across diverse multimodal tasks, while recent multi-encoder fusion methods introduce…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Yuchen Liu , Yaoming Wang , Bowen Shi , Xiaopeng Zhang , Wenrui Dai , Chenglin Li , Hongkai Xiong , Qi Tian

Artificial Intelligence (AI) has the potential to revolutionize diagnosis and segmentation in medical imaging. However, development and clinical implementation face multiple challenges including limited data availability, lack of…

Image and Video Processing · Electrical Eng. & Systems 2025-01-22 Zelong Liu , Andrew Tieu , Nikhil Patel , Georgios Soultanidis , Louisa Deyer , Ying Wang , Sean Huver , Alexander Zhou , Yunhao Mei , Zahi A. Fayad , Timothy Deyer , Xueyan Mei

This paper studies how to keep a vision backbone effective while removing token mixers in its basic building blocks. Token mixers, as self-attention for vision transformers (ViTs), are intended to perform information communication between…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Jiahao Wang , Songyang Zhang , Yong Liu , Taiqiang Wu , Yujiu Yang , Xihui Liu , Kai Chen , Ping Luo , Dahua Lin

Multimodal Large Language Models have demonstrated remarkable capabilities in video understanding, yet face prohibitive computational costs and performance degradation from ''context rot'' due to massive visual token redundancy. Existing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Shida Wang , YongXiang Hua , Zhou Tao , Haoyu Cao , Linli Xu

Chain of Thought (CoT) reasoning enhances logical performance by decomposing complex tasks, yet its multimodal extension faces a trade-off. The prevailing Thinking with Images paradigm achieves visual refocusing by explicitly cropping image…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Jizheng Ma , Xiaofei Zhou , Geyuan Zhang , Yanlong Song , Han Yan

Recent advancements in Vision-Language Models (VLMs) enable large language models (LLMs) to process high-resolution images, significantly improving real-world multimodal understanding. However, this capability introduces a large number of…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Yuna Lee , Kyoungho Min , Yulhwa Kim

Computer vision researchers are embracing two promising paradigms: Vision Transformers (ViTs) and Multi-task Learning (MTL), which both show great performance but are computation-intensive, given the quadratic complexity of self-attention…

Hardware Architecture · Computer Science 2023-09-14 Rishov Sarkar , Hanxue Liang , Zhiwen Fan , Zhangyang Wang , Cong Hao

Vision Mamba has emerged as a promising and efficient alternative to Vision Transformers, yet its efficiency remains fundamentally constrained by the number of input tokens. Existing token reduction approaches typically adopt token pruning…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Shanhui Liu , Rui Xu , Yunke Wang

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 developments in Transformers have achieved notable strides in enhancing video comprehension. Nonetheless, the O($N^2$) computation complexity associated with attention mechanisms presents substantial computational hurdles when…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Yukun Feng , Yangming Shi , Fengze Liu , Tan Yan

Vision Transformers (ViTs) have shown impressive performance and have become a unified backbone for multiple vision tasks. However, both the attention mechanism and multi-layer perceptrons (MLPs) in ViTs are not sufficiently efficient due…

Machine Learning · Computer Science 2024-07-26 Haoran You , Huihong Shi , Yipin Guo , Yingyan Celine Lin