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相关论文: MIMIR: Masked Image Modeling for Mutual Informatio…

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Vision Transformer (ViT) is emerging as the state-of-the-art architecture for image recognition. While recent studies suggest that ViTs are more robust than their convolutional counterparts, our experiments find that ViTs trained on…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Chengzhi Mao , Lu Jiang , Mostafa Dehghani , Carl Vondrick , Rahul Sukthankar , Irfan Essa

Face anti-spoofing (FAS) or presentation attack detection is an essential component of face recognition systems deployed in security-critical applications. Existing FAS methods have poor generalizability to unseen spoof types, camera…

计算机视觉与模式识别 · 计算机科学 2023-09-29 Koushik Srivatsan , Muzammal Naseer , Karthik Nandakumar

Recently, plain vision Transformers (ViTs) have shown impressive performance on various computer vision tasks, thanks to their strong modeling capacity and large-scale pretraining. However, they have not yet conquered the problem of image…

计算机视觉与模式识别 · 计算机科学 2023-06-01 Jingfeng Yao , Xinggang Wang , Shusheng Yang , Baoyuan Wang

Masked image modeling, an emerging self-supervised pre-training method, has shown impressive success across numerous downstream vision tasks with Vision transformers. Its underlying idea is simple: a portion of the input image is masked out…

计算机视觉与模式识别 · 计算机科学 2023-06-05 Siyuan Li , Di Wu , Fang Wu , Zelin Zang , Stan. Z. Li

Masked Image Modeling (MIM) is a self-supervised learning technique that involves masking portions of an image, such as pixels, patches, or latent representations, and training models to predict the missing information using the visible…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Shabnam Choudhury , Akhil Vasim , Michael Schmitt , Biplab Banerjee

Recently, masked image modeling (MIM) has offered a new methodology of self-supervised pre-training of vision transformers. A key idea of efficient implementation is to discard the masked image patches (or tokens) throughout the target…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Xiaosong Zhang , Yunjie Tian , Wei Huang , Qixiang Ye , Qi Dai , Lingxi Xie , Qi Tian

Adversarial attacks expose a fundamental vulnerability in modern deep vision models by exploiting their dependence on dense, pixel-level representations that are highly sensitive to imperceptible perturbations. Traditional defense…

计算机视觉与模式识别 · 计算机科学 2025-11-13 Jingjie He , Weijie Liang , Zihan Shan , Matthew Caesar

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

With the advancement of vision transformers (ViTs) and self-supervised learning (SSL) techniques, pre-trained large ViTs have become the new foundation models for computer vision applications. However, studies have shown that, like…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Weijie Zheng , Xingjun Ma , Hanxun Huang , Zuxuan Wu , Yu-Gang Jiang

Recent studies have revealed that vision transformers (ViTs) face similar security risks from adversarial attacks as deep convolutional neural networks (CNNs). However, directly applying attack methodology on CNNs to ViTs has been…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Chao Zhou , Xiaowen Shi , Yuan-Gen Wang

Deep neural networks (DNNs) are well known to be vulnerable to adversarial examples (AEs). In previous studies, the use of models encrypted with a secret key was demonstrated to be robust against white-box attacks, but not against black-box…

人工智能 · 计算机科学 2024-02-13 Ryota Iijima , Sayaka Shiota , Hitoshi Kiya

A Vision Transformer (ViT) is a simple neural architecture amenable to serve several computer vision tasks. It has limited built-in architectural priors, in contrast to more recent architectures that incorporate priors either about the…

计算机视觉与模式识别 · 计算机科学 2022-04-15 Hugo Touvron , Matthieu Cord , Hervé Jégou

Masked Image Modeling (MIM) is a new self-supervised vision pre-training paradigm using a Vision Transformer (ViT). Previous works can be pixel-based or token-based, using original pixels or discrete visual tokens from parametric tokenizer…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Xin Yan , Zuchao Li , Lefei Zhang

In this paper, we review adversarial pretraining of self-supervised deep networks including both convolutional neural networks and vision transformers. Unlike the adversarial training with access to labeled examples, adversarial pretraining…

机器学习 · 计算机科学 2022-10-26 Guo-Jun Qi , Mubarak Shah

In this paper, we present a comparative analysis of various self-supervised Vision Transformers (ViTs), focusing on their local representative power. Inspired by large language models, we examine the abilities of ViTs to perform various…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Ani Vanyan , Alvard Barseghyan , Hakob Tamazyan , Vahan Huroyan , Hrant Khachatrian , Martin Danelljan

Recently, masked image modeling (MIM) has become a promising direction for visual pre-training. In the context of vision transformers, MIM learns effective visual representation by aligning the token-level features with a pre-defined space…

计算机视觉与模式识别 · 计算机科学 2022-03-11 Longhui Wei , Lingxi Xie , Wengang Zhou , Houqiang Li , Qi Tian

This paper investigates the effectiveness of self-supervised pre-trained vision transformers (ViTs) compared to supervised pre-trained ViTs and conventional neural networks (ConvNets) for detecting facial deepfake images and videos. It…

计算机视觉与模式识别 · 计算机科学 2024-08-12 Huy H. Nguyen , Junichi Yamagishi , Isao Echizen

Though deep neural networks exhibit superior performance on various tasks, they are still plagued by adversarial examples. Adversarial training has been demonstrated to be the most effective method to defend against adversarial attacks.…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Xin Liu , Yichen Yang , Kun He , John E. Hopcroft

Vision Transformers (ViTs) have become one of the dominant architectures in computer vision, and pre-trained ViT models are commonly adapted to new tasks via fine-tuning. Recent works proposed several parameter-efficient transfer learning…

计算机视觉与模式识别 · 计算机科学 2023-11-08 Imad Eddine Marouf , Enzo Tartaglione , Stéphane Lathuilière

The high susceptibility of deep learning algorithms against structured and unstructured perturbations has motivated the development of efficient adversarial defense algorithms. However, the lack of generalizability of existing defense…

计算机视觉与模式识别 · 计算机科学 2020-10-27 Saheb Chhabra , Akshay Agarwal , Richa Singh , Mayank Vatsa