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Advances in self-supervised learning are essential for enhancing feature extraction and understanding in point cloud processing. This paper introduces PMT-MAE (Point MLP-Transformer Masked Autoencoder), a novel self-supervised learning…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Qiang Zheng , Chao Zhang , Jian Sun

This work explores the effectiveness of masked image modelling for learning representations of retinal OCT images. To this end, we leverage Masked Autoencoders (MAE), a simple and scalable method for self-supervised learning, to obtain a…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Theodoros Pissas , Pablo Márquez-Neila , Sebastian Wolf , Martin Zinkernagel , Raphael Sznitman

Masked autoencoders (MAEs) represent a prominent self-supervised learning paradigm in computer vision. Despite their empirical success, the underlying mechanisms of MAEs remain insufficiently understood. Recent studies have attempted to…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Tao Huang , Yanxiang Ma , Shan You , Chang Xu

In this paper, we propose a new progressive pre-training method for image understanding tasks which leverages RGB-D datasets. The method utilizes Multi-Modal Contrastive Masked Autoencoder and Denoising techniques. Our proposed approach…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Muhammad Abdullah Jamal , Omid Mohareri

Most 3D neural networks are trained from scratch owing to the lack of large-scale labeled 3D datasets. In this paper, we present a novel 3D pretraining method by leveraging 2D networks learned from rich 2D datasets. We propose the…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Yueh-Cheng Liu , Yu-Kai Huang , Hung-Yueh Chiang , Hung-Ting Su , Zhe-Yu Liu , Chin-Tang Chen , Ching-Yu Tseng , Winston H. Hsu

The manual annotation for large-scale point clouds is still tedious and unavailable for many harsh real-world tasks. Self-supervised learning, which is used on raw and unlabeled data to pre-train deep neural networks, is a promising…

计算机视觉与模式识别 · 计算机科学 2022-10-31 Junsheng Zhou , Xin Wen , Baorui Ma , Yu-Shen Liu , Yue Gao , Yi Fang , Zhizhong Han

The Vision Transformer (ViT) has demonstrated remarkable performance in Self-Supervised Learning (SSL) for 3D medical image analysis. Masked AutoEncoder (MAE) for feature pre-training can further unleash the potential of ViT on various…

计算机视觉与模式识别 · 计算机科学 2025-01-13 Jiaxin Zhuang , Linshan Wu , Qiong Wang , Peng Fei , Varut Vardhanabhuti , Lin Luo , Hao Chen

The scarcity of annotated data in LiDAR point cloud understanding hinders effective representation learning. Consequently, scholars have been actively investigating efficacious self-supervised pre-training paradigms. Nevertheless, temporal…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Weijie Wei , Fatemeh Karimi Nejadasl , Theo Gevers , Martin R. Oswald

Self-supervised pre-training for images without labels has recently achieved promising performance in image classification. The success of transformer-based methods, ViT and MAE, draws the community's attention to the design of backbone…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Jiantao Wu , Shentong Mo

Masked Autoencoder (MAE) has demonstrated superior performance on various vision tasks via randomly masking image patches and reconstruction. However, effective data augmentation strategies for MAE still remain open questions, different…

计算机视觉与模式识别 · 计算机科学 2024-02-08 Kai Chen , Zhili Liu , Lanqing Hong , Hang Xu , Zhenguo Li , Dit-Yan Yeung

Class Incremental Learning (CIL) aims to sequentially learn new classes while avoiding catastrophic forgetting of previous knowledge. We propose to use Masked Autoencoders (MAEs) as efficient learners for CIL. MAEs were originally designed…

计算机视觉与模式识别 · 计算机科学 2023-08-25 Jiang-Tian Zhai , Xialei Liu , Andrew D. Bagdanov , Ke Li , Ming-Ming Cheng

Representation and generative learning, as reconstruction-based methods, have demonstrated their potential for mutual reinforcement across various domains. In the field of point cloud processing, although existing studies have adopted…

计算机视觉与模式识别 · 计算机科学 2024-08-16 Hongliang Zeng , Ping Zhang , Fang Li , Jiahua Wang , Tingyu Ye , Pengteng Guo

Medical imaging tasks are very challenging due to the lack of publicly available labeled datasets. Hence, it is difficult to achieve high performance with existing deep-learning models as they require a massive labeled dataset to be trained…

图像与视频处理 · 电气工程与系统科学 2024-07-23 Anubhav Gupta , Islam Osman , Mohamed S. Shehata , John W. Braun

Masked Autoencoders (MAEs) have emerged as a powerful pretraining technique for vision foundation models. Despite their effectiveness, they require extensive hyperparameter tuning (masking ratio, patch size, encoder/decoder layers) when…

计算机视觉与模式识别 · 计算机科学 2025-08-25 Anthony Bisulco , Rahul Ramesh , Randall Balestriero , Pratik Chaudhari

Masked autoencoder (MAE), a simple and effective self-supervised learning framework based on the reconstruction of masked image regions, has recently achieved prominent success in a variety of vision tasks. Despite the emergence of…

机器学习 · 计算机科学 2023-06-09 Lingjing Kong , Martin Q. Ma , Guangyi Chen , Eric P. Xing , Yuejie Chi , Louis-Philippe Morency , Kun Zhang

Driven by improved architectures and better representation learning frameworks, the field of visual recognition has enjoyed rapid modernization and performance boost in the early 2020s. For example, modern ConvNets, represented by ConvNeXt,…

计算机视觉与模式识别 · 计算机科学 2023-01-03 Sanghyun Woo , Shoubhik Debnath , Ronghang Hu , Xinlei Chen , Zhuang Liu , In So Kweon , Saining Xie

In this work, we explore self-supervised visual pre-training on images from diverse, in-the-wild videos for real-world robotic tasks. Like prior work, our visual representations are pre-trained via a masked autoencoder (MAE), frozen, and…

机器人学 · 计算机科学 2022-10-07 Ilija Radosavovic , Tete Xiao , Stephen James , Pieter Abbeel , Jitendra Malik , Trevor Darrell

We propose a pre-training strategy called Multi-modal Multi-task Masked Autoencoders (MultiMAE). It differs from standard Masked Autoencoding in two key aspects: I) it can optionally accept additional modalities of information in the input…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Roman Bachmann , David Mizrahi , Andrei Atanov , Amir Zamir

This paper studies a simple extension of image-based Masked Autoencoders (MAE) to self-supervised representation learning from audio spectrograms. Following the Transformer encoder-decoder design in MAE, our Audio-MAE first encodes audio…

Masked Autoencoders (MAE) achieve self-supervised learning of image representations by randomly removing a portion of visual tokens and reconstructing the original image as a pretext task, thereby significantly enhancing pretraining…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Jiaxuan Li , Qing Xu , Xiangjian He , Ziyu Liu , Chang Xing , Zhen Chen , Daokun Zhang , Rong Qu , Chang Wen Chen