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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

Pre-trained models, e.g., from ImageNet, have proven to be effective in boosting the performance of many downstream applications. It is too demanding to acquire large-scale annotations to build such models for medical imaging. Meanwhile,…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Xiaosong Wang , Ziyue Xu , Leo Tam , Dong Yang , Daguang Xu

Masked image modeling (MIM) learns visual representation by masking and reconstructing image patches. Applying the reconstruction supervision on the CLIP representation has been proven effective for MIM. However, it is still under-explored…

计算机视觉与模式识别 · 计算机科学 2022-11-18 Xinyu Zhang , Jiahui Chen , Junkun Yuan , Qiang Chen , Jian Wang , Xiaodi Wang , Shumin Han , Xiaokang Chen , Jimin Pi , Kun Yao , Junyu Han , Errui Ding , Jingdong Wang

The research community has witnessed the powerful potential of self-supervised Masked Image Modeling (MIM), which enables the models capable of learning visual representation from unlabeled data. In this paper, to incorporate both the…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Wenxuan Wang , Jing Wang , Chen Chen , Jianbo Jiao , Yuanxiu Cai , Shanshan Song , Jiangyun Li

Large-scale joint training of multimodal models, e.g., CLIP, have demonstrated great performance in many vision-language tasks. However, image-text pairs for pre-training are restricted to the intersection of images and texts, limiting…

计算机视觉与模式识别 · 计算机科学 2023-06-09 Yanan Sun , Zihan Zhong , Qi Fan , Chi-Keung Tang , Yu-Wing Tai

Self-supervised learning has made unsupervised pretraining relevant again for difficult computer vision tasks. The most effective self-supervised methods involve prediction tasks based on features extracted from diverse views of the data.…

计算机视觉与模式识别 · 计算机科学 2020-07-29 R Devon Hjelm , Philip Bachman

We present a novel masked image modeling (MIM) approach, context autoencoder (CAE), for self-supervised representation pretraining. We pretrain an encoder by making predictions in the encoded representation space. The pretraining tasks…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Xiaokang Chen , Mingyu Ding , Xiaodi Wang , Ying Xin , Shentong Mo , Yunhao Wang , Shumin Han , Ping Luo , Gang Zeng , Jingdong Wang

Masked image modeling (MIM) has become a prevalent pre-training setup for vision foundation models and attains promising performance. Despite its success, existing MIM methods discard the decoder network during downstream applications,…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Qi Han , Yuxuan Cai , Xiangyu Zhang

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

Masked image modelling (MIM) is a powerful self-supervised representation learning paradigm, whose potential has not been widely demonstrated in medical image analysis. In this work, we show the capacity of MIM to capture rich semantic…

计算机视觉与模式识别 · 计算机科学 2023-06-30 Piotr Wójcik , Hussein Naji , Adrian Simon , Reinhard Büttner , Katarzyna Bożek

Recently, both Contrastive Learning (CL) and Mask Image Modeling (MIM) demonstrate that self-supervision is powerful to learn good representations. However, naively combining them is far from success. In this paper, we start by making the…

计算机视觉与模式识别 · 计算机科学 2023-03-01 Ziyu Jiang , Yinpeng Chen , Mengchen Liu , Dongdong Chen , Xiyang Dai , Lu Yuan , Zicheng Liu , Zhangyang Wang

We introduce a novel representation learning method to disentangle pose-dependent as well as view-dependent factors from 2D human poses. The method trains a network using cross-view mutual information maximization (CV-MIM) which maximizes…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Long Zhao , Yuxiao Wang , Jiaping Zhao , Liangzhe Yuan , Jennifer J. Sun , Florian Schroff , Hartwig Adam , Xi Peng , Dimitris Metaxas , Ting Liu

Self-supervised learning has proved effective for skeleton-based human action understanding, which is an important yet challenging topic. Previous works mainly rely on contrastive learning or masked motion modeling paradigm to model the…

计算机视觉与模式识别 · 计算机科学 2023-08-09 Jiahang Zhang , Lilang Lin , Jiaying Liu

Masked Image Modeling (MIM) techniques have redefined the landscape of computer vision, enabling pre-trained models to achieve exceptional performance across a broad spectrum of tasks. Despite their success, the full potential of MIM-based…

计算机视觉与模式识别 · 计算机科学 2024-09-05 Sumin Son , Hyesong Choi , Dongbo Min

3D scene reconstruction from 2D images has been a long-standing task. Instead of estimating per-frame depth maps and fusing them in 3D, recent research leverages the neural implicit surface as a unified representation for 3D reconstruction.…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Xinyi Yu , Liqin Lu , Jintao Rong , Guangkai Xu , Linlin Ou

This paper proposes a GeneraLIst encoder-Decoder (GLID) pre-training method for better handling various downstream computer vision tasks. While self-supervised pre-training approaches, e.g., Masked Autoencoder, have shown success in…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Jihao Liu , Jinliang Zheng , Yu Liu , Hongsheng Li

Masked image modeling (MIM) has emerged as a promising approach for pre-training Vision Transformers (ViTs). MIMs predict masked tokens token-wise to recover target signals that are tokenized from images or generated by pre-trained models…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Taekyung Kim , Byeongho Heo , Dongyoon Han

Foundation models have recently gained tremendous popularity in medical image analysis. State-of-the-art methods leverage either paired image-text data via vision-language pre-training or unpaired image data via self-supervised pre-training…

计算机视觉与模式识别 · 计算机科学 2025-07-24 Lei Zhu , Jun Zhou , Rick Siow Mong Goh , Yong Liu

Self-supervised learning methods like masked autoencoders (MAE) have shown significant promise in learning robust feature representations, particularly in image reconstruction-based pretraining task. However, their performance is often…

计算机视觉与模式识别 · 计算机科学 2025-07-31 Sua Lee , Joonhun Lee , Myungjoo Kang

Masked Image Modeling (MIM) has achieved promising progress with the advent of Masked Autoencoders (MAE) and BEiT. However, subsequent works have complicated the framework with new auxiliary tasks or extra pre-trained models, inevitably…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Yuan Liu , Songyang Zhang , Jiacheng Chen , Kai Chen , Dahua Lin