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Large Vision Language Models (VLMs) effectively bridge the modality gap through extensive pretraining, acquiring sophisticated visual representations aligned with language. However, it remains underexplored whether these representations,…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Jiahao Guo , Sinan Du , Jingfeng Yao , Wenyu Liu , Bo Li , Haoxiang Cao , Kun Gai , Chun Yuan , Kai Wu , Xinggang Wang

Token compression techniques have recently emerged as powerful tools for accelerating Vision Transformer (ViT) inference in computer vision. Due to the quadratic computational complexity with respect to the token sequence length, these…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Phat Nguyen , Ngai-Man Cheung

In this paper, we present token labeling -- a new training objective for training high-performance vision transformers (ViTs). Different from the standard training objective of ViTs that computes the classification loss on an additional…

计算机视觉与模式识别 · 计算机科学 2021-06-10 Zihang Jiang , Qibin Hou , Li Yuan , Daquan Zhou , Yujun Shi , Xiaojie Jin , Anran Wang , Jiashi Feng

A common architectural choice for deep metric learning is a convolutional neural network followed by global average pooling (GAP). Albeit simple, GAP is a highly effective way to aggregate information. One possible explanation for the…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Yeti Z. Gurbuz , Ozan Sener , A. Aydın Alatan

Vision Transformer (ViT) architectures traditionally employ a grid-based approach to tokenization independent of the semantic content of an image. We propose a modular superpixel tokenization strategy which decouples tokenization and…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Marius Aasan , Odd Kolbjørnsen , Anne Schistad Solberg , Adín Ramirez Rivera

We introduce Token Merging (ToMe), a simple method to increase the throughput of existing ViT models without needing to train. ToMe gradually combines similar tokens in a transformer using a general and light-weight matching algorithm that…

计算机视觉与模式识别 · 计算机科学 2023-03-03 Daniel Bolya , Cheng-Yang Fu , Xiaoliang Dai , Peizhao Zhang , Christoph Feichtenhofer , Judy Hoffman

Transformers have recently gained increasing attention in computer vision. However, existing studies mostly use Transformers for feature representation learning, e.g. for image classification and dense predictions, and the generalizability…

计算机视觉与模式识别 · 计算机科学 2021-12-08 Shengcai Liao , Ling Shao

Video tokenization procedure is critical for a wide range of video processing tasks. Most existing approaches directly transform video into fixed-grid and patch-wise tokens, which exhibit limited versatility. Spatially, uniformly allocating…

计算机视觉与模式识别 · 计算机科学 2025-08-18 Zhenghao Chen , Zicong Chen , Lei Liu , Yiming Wu , Dong Xu

Vision Transformers (ViTs) have recently become the state-of-the-art across many computer vision tasks. In contrast to convolutional networks (CNNs), ViTs enable global information sharing even within shallow layers of a network, i.e.,…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Jongwoo Park , Kumara Kahatapitiya , Donghyun Kim , Shivchander Sudalairaj , Quanfu Fan , Michael S. Ryoo

In this paper, we leverage self-supervised vision transformer models and their emergent semantic abilities to improve the generalization abilities of imitation learning policies. We introduce DVK, an imitation learning algorithm that…

机器人学 · 计算机科学 2025-03-12 Wei-Di Chang , Francois Hogan , Scott Fujimoto , David Meger , Gregory Dudek

In this paper, we design and train a Generative Image-to-text Transformer, GIT, to unify vision-language tasks such as image/video captioning and question answering. While generative models provide a consistent network architecture between…

计算机视觉与模式识别 · 计算机科学 2022-12-19 Jianfeng Wang , Zhengyuan Yang , Xiaowei Hu , Linjie Li , Kevin Lin , Zhe Gan , Zicheng Liu , Ce Liu , Lijuan Wang

This paper presents SimMIM, a simple framework for masked image modeling. We simplify recently proposed related approaches without special designs such as block-wise masking and tokenization via discrete VAE or clustering. To study what let…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Zhenda Xie , Zheng Zhang , Yue Cao , Yutong Lin , Jianmin Bao , Zhuliang Yao , Qi Dai , Han Hu

Visual-Semantic Embedding (VSE) aims to learn an embedding space where related visual and semantic instances are close to each other. Recent VSE models tend to design complex structures to pool visual and semantic features into fixed-length…

多媒体 · 计算机科学 2022-10-06 Zijian Zhang , Chang Shu , Ya Xiao , Yuan Shen , Di Zhu , Jing Xiao , Youxin Chen , Jey Han Lau , Qian Zhang , Zheng Lu

Most recent CNN architectures use average pooling as a final feature encoding step. In the field of fine-grained recognition, however, recent global representations like bilinear pooling offer improved performance. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2017-07-21 Marcel Simon , Yang Gao , Trevor Darrell , Joachim Denzler , Erik Rodner

Post-training quantization (PTQ) is an efficient model compression technique that quantizes a pretrained full-precision model using only a small calibration set of unlabeled samples without retraining. PTQ methods for convolutional neural…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Jaehyeon Moon , Dohyung Kim , Junyong Cheon , Bumsub Ham

Facial Expression Recognition (FER) in the wild is an extremely challenging task. Recently, some Vision Transformers (ViT) have been explored for FER, but most of them perform inferiorly compared to Convolutional Neural Networks (CNN). This…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Fanglei Xue , Qiangchang Wang , Zichang Tan , Zhongsong Ma , Guodong Guo

This work presents Adaptive Local-then-Global Merging (ALGM), a token reduction method for semantic segmentation networks that use plain Vision Transformers. ALGM merges tokens in two stages: (1) In the first network layer, it merges…

计算机视觉与模式识别 · 计算机科学 2024-06-17 Narges Norouzi , Svetlana Orlova , Daan de Geus , Gijs Dubbelman

Vision Transformers (ViTs) have achieved remarkable success in standard RGB image processing tasks. However, applying ViTs to multi-channel imaging (MCI) data, e.g., for medical and remote sensing applications, remains a challenge. In…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Wenyi Lian , Patrick Micke , Joakim Lindblad , Nataša Sladoje

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…

计算机视觉与模式识别 · 计算机科学 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

3D Gaussian Splatting (3DGS) has demonstrated impressive novel view synthesis performance. While conventional methods require per-scene optimization, more recently several feed-forward methods have been proposed to generate pixel-aligned…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Shengjun Zhang , Xin Fei , Fangfu Liu , Haixu Song , Yueqi Duan