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Masked image modeling (MIM) as pre-training is shown to be effective for numerous vision downstream tasks, but how and where MIM works remain unclear. In this paper, we compare MIM with the long-dominant supervised pre-trained models from…

计算机视觉与模式识别 · 计算机科学 2022-05-30 Zhenda Xie , Zigang Geng , Jingcheng Hu , Zheng Zhang , Han Hu , Yue Cao

This paper shows that masked autoencoders (MAE) are scalable self-supervised learners for computer vision. Our MAE approach is simple: we mask random patches of the input image and reconstruct the missing pixels. It is based on two core…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Kaiming He , Xinlei Chen , Saining Xie , Yanghao Li , Piotr Dollár , Ross Girshick

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…

计算机视觉与模式识别 · 计算机科学 2023-09-15 Johannes Lehner , Benedikt Alkin , Andreas Fürst , Elisabeth Rumetshofer , Lukas Miklautz , Sepp Hochreiter

Masked Autoencoder~(MAE) is a prevailing self-supervised learning method that achieves promising results in model pre-training. However, when the various downstream tasks have data distributions different from the pre-training data, the…

计算机视觉与模式识别 · 计算机科学 2024-02-09 Zhili Liu , Kai Chen , Jianhua Han , Lanqing Hong , Hang Xu , Zhenguo Li , James T. Kwok

Representation learning of textual networks poses a significant challenge as it involves capturing amalgamated information from two modalities: (i) underlying network structure, and (ii) node textual attributes. For this, most existing…

计算与语言 · 计算机科学 2020-11-06 Tony Gracious , Ambedkar Dukkipati

The past year has witnessed a rapid development of masked image modeling (MIM). MIM is mostly built upon the vision transformers, which suggests that self-supervised visual representations can be done by masking input image parts while…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Yunjie Tian , Lingxi Xie , Jiemin Fang , Mengnan Shi , Junran Peng , Xiaopeng Zhang , Jianbin Jiao , Qi Tian , Qixiang Ye

Masked Autoencoders (MAEs) have been shown to be effective in pre-training Vision Transformers (ViTs) for natural and medical image analysis problems. By reconstructing missing pixel/voxel information in visible patches, a ViT encoder can…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Pengfei Gu , Huimin Li , Yejia Zhang , Chaoli Wang , Danny Z. Chen

Understanding visual inputs for a given task amidst varied changes is a key challenge posed by visual reinforcement learning agents. We propose \textit{Value Explicit Pretraining} (VEP), a method that learns generalizable representations…

机器学习 · 计算机科学 2026-05-04 Kiran Lekkala , Henghui Bao , Sumedh A. Sontakke , Erdem Biyik , Laurent Itti

Adversarial training (AT) can help improve the robustness of Vision Transformers (ViT) against adversarial attacks by intentionally injecting adversarial examples into the training data. However, this way of adversarial injection inevitably…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Fudong Lin , Jiadong Lou , Xu Yuan , Nian-Feng Tzeng

Masked Autoencoders (MAE) have shown great potentials in self-supervised pre-training for language and 2D image transformers. However, it still remains an open question on how to exploit masked autoencoding for learning 3D representations…

计算机视觉与模式识别 · 计算机科学 2022-10-17 Renrui Zhang , Ziyu Guo , Rongyao Fang , Bin Zhao , Dong Wang , Yu Qiao , Hongsheng Li , Peng Gao

We present Contrastive Feature Masking Vision Transformer (CFM-ViT) - an image-text pretraining methodology that achieves simultaneous learning of image- and region-level representation for open-vocabulary object detection (OVD). Our…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Dahun Kim , Anelia Angelova , Weicheng Kuo

Masked Autoencoder (MAE) has recently been shown to be effective in pre-training Vision Transformers (ViT) for natural image analysis. By reconstructing full images from partially masked inputs, a ViT encoder aggregates contextual…

图像与视频处理 · 电气工程与系统科学 2023-04-24 Lei Zhou , Huidong Liu , Joseph Bae , Junjun He , Dimitris Samaras , Prateek Prasanna

Unsupervised pre-training on vast amounts of graph data is critical in real-world applications wherein labeled data is limited, such as molecule properties prediction or materials science. Existing approaches pre-train models for specific…

机器学习 · 计算机科学 2024-10-01 Viet Anh Nguyen , Nhat Khang Ngo , Truong Son Hy

There are several improvements proposed over the baseline Absolute Positional Encoding (APE) method used in original transformer. In this study, we aim to investigate the implications of inadequately representing positional encoding in…

计算与语言 · 计算机科学 2024-05-09 Arpit Aggarwal

We propose Parabolic Position Encoding (PaPE), a parabola-based position encoding for vision modalities in attention-based architectures. Given a set of vision tokens-such as from videos, event camera streams, images, or point clouds-our…

Positional encoding plays a crucial role in transformers, significantly impacting model performance and length generalization. Prior research has introduced absolute positional encoding (APE) and relative positional encoding (RPE) to…

计算与语言 · 计算机科学 2024-11-06 Chuanyang Zheng , Yihang Gao , Han Shi , Minbin Huang , Jingyao Li , Jing Xiong , Xiaozhe Ren , Michael Ng , Xin Jiang , Zhenguo Li , Yu Li

In daily life, graphic symbols, such as traffic signs and brand logos, are ubiquitously utilized around us due to its intuitive expression beyond language boundary. We tackle an open-set graphic symbol recognition problem by one-shot…

计算机视觉与模式识别 · 计算机科学 2019-04-19 Junsik Kim , Tae-Hyun Oh , Seokju Lee , Fei Pan , In So Kweon

Masked Image Modeling (MIM) has recently been established as a potent pre-training paradigm. A pretext task is constructed by masking patches in an input image, and this masked content is then predicted by a neural network using visible…

Deep supervision, which involves extra supervisions to the intermediate features of a neural network, was widely used in image classification in the early deep learning era since it significantly reduces the training difficulty and eases…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Sucheng Ren , Fangyun Wei , Samuel Albanie , Zheng Zhang , Han Hu

Positional encoding (PE) is a core architectural component of Transformers, yet its impact on the Transformer's generalization and robustness remains unclear. In this work, we provide the first generalization analysis for a single-layer…

机器学习 · 统计学 2026-03-25 Weiyi He , Yue Xing