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Multivariate Time Series forecasting has been an increasingly popular topic in various applications and scenarios. Recently, contrastive learning and Transformer-based models have achieved good performance in many long-term series…

Machine Learning · Computer Science 2023-01-24 Zhe Li , Zhongwen Rao , Lujia Pan , Pengyun Wang , Zenglin Xu

Self-supervised representation learning for point cloud videos remains a challenging problem with two key limitations: (1) existing methods rely on explicit knowledge to learn motion, resulting in suboptimal representations; (2) prior…

Computer Vision and Pattern Recognition · Computer Science 2025-05-21 Zhi Zuo , Chenyi Zhuang , Pan Gao , Jie Qin , Hao Feng , Nicu Sebe

Unsupervised multivariate time series (MTS) representation learning aims to extract compact and informative representations from raw sequences without relying on labels, enabling efficient transfer to diverse downstream tasks. In this…

Machine Learning · Computer Science 2025-09-22 Yi Xu , Yitian Zhang , Yun Fu

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…

It is crucial to choose actions from an appropriate distribution while learning a sequential decision-making process in which a set of actions is expected given the states and previous reward. Yet, if there are more than two latent…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Fatemeh Nouri , Robert Bergevin

Current perception models in autonomous driving heavily rely on large-scale labelled 3D data, which is both costly and time-consuming to annotate. This work proposes a solution to reduce the dependence on labelled 3D training data by…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Chen Min , Xinli Xu , Dawei Zhao , Liang Xiao , Yiming Nie , Bin Dai

Long-term human motion can be represented as a series of motion modes---motion sequences that capture short-term temporal dynamics---with transitions between them. We leverage this structure and present a novel Motion Transformation…

Machine Learning · Computer Science 2018-08-15 Xinchen Yan , Akash Rastogi , Ruben Villegas , Kalyan Sunkavalli , Eli Shechtman , Sunil Hadap , Ersin Yumer , Honglak Lee

In this work, we examine the impact of inter-patch dependencies in the decoder of masked autoencoders (MAE) on representation learning. We decompose the decoding mechanism for masked reconstruction into self-attention between mask tokens…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Letian Fu , Long Lian , Renhao Wang , Baifeng Shi , Xudong Wang , Adam Yala , Trevor Darrell , Alexei A. Efros , Ken Goldberg

This paper presents a novel approach to processing multimodal data for dynamic emotion recognition, named as the Multimodal Masked Autoencoder for Dynamic Emotion Recognition (MultiMAE-DER). The MultiMAE-DER leverages the closely correlated…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Peihao Xiang , Chaohao Lin , Kaida Wu , Ou Bai

Self-supervised video transformer pre-training has recently benefited from the mask-and-predict pipeline. They have demonstrated outstanding effectiveness on downstream video tasks and superior data efficiency on small datasets. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Yuxin Song , Min Yang , Wenhao Wu , Dongliang He , Fu Li , Jingdong Wang

Recently, multi-modal masked autoencoders (MAE) has been introduced in 3D self-supervised learning, offering enhanced feature learning by leveraging both 2D and 3D data to capture richer cross-modal representations. However, these…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Zhimin Chen , Xuewei Chen , Xiao Guo , Yingwei Li , Longlong Jing , Liang Yang , Bing Li

Masked AutoEncoders (MAE) have emerged as a robust self-supervised framework, offering remarkable performance across a wide range of downstream tasks. To increase the difficulty of the pretext task and learn richer visual representations,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Carlos Hinojosa , Shuming Liu , Bernard Ghanem

Self-supervised models allow (pre-)training on unlabeled data and therefore have the potential to overcome the need for large annotated cohorts. One leading self-supervised model is the masked autoencoder (MAE) which was developed on…

Image and Video Processing · Electrical Eng. & Systems 2023-03-13 Daniel M. Lang , Eli Schwartz , Cosmin I. Bercea , Raja Giryes , Julia A. Schnabel

Contrastive learning (CL) for Vision Transformers (ViTs) in image domains has achieved performance comparable to CL for traditional convolutional backbones. However, in 3D point cloud pretraining with ViTs, masked autoencoder (MAE) modeling…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Bin Ren , Guofeng Mei , Danda Pani Paudel , Weijie Wang , Yawei Li , Mengyuan Liu , Rita Cucchiara , Luc Van Gool , Nicu Sebe

Featurizing microscopy images for use in biological research remains a significant challenge, especially for large-scale experiments spanning millions of images. This work explores the scaling properties of weakly supervised classifiers and…

Self-supervised frameworks for representation learning have recently stirred up interest among the remote sensing community, given their potential to mitigate the high labeling costs associated with curating large satellite image datasets.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Hugo Chan-To-Hing , Bharadwaj Veeravalli

Self-supervised learning (SSL) enables learning useful inductive biases through utilizing pretext tasks that require no labels. The unlabeled nature of SSL makes it especially important for whole slide histopathological images (WSIs), where…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Wisdom Oluchi Ikezogwo , Mehmet Saygin Seyfioglu , Linda Shapiro

Dynamic vision sensors (DVS) are bio-inspired devices that capture visual information in the form of asynchronous events, which encode changes in pixel intensity with high temporal resolution and low latency. These events provide rich…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Jingkai Sun , Qiang Zhang , Jiaxu Wang , Jiahang Cao , Renjing Xu

Self-supervised learning through masked autoencoders (MAEs) has recently attracted great attention for remote sensing (RS) image representation learning, and thus embodies a significant potential for content-based image retrieval (CBIR)…

Image and Video Processing · Electrical Eng. & Systems 2024-12-13 Jakob Hackstein , Gencer Sumbul , Kai Norman Clasen , Begüm Demir

Autoencoders have been widely used for dimensional reduction and feature extraction. Various types of autoencoders have been proposed by introducing regularization terms. Most of these regularizations improve representation learning by…

Machine Learning · Computer Science 2020-06-26 Yuzhu Guo , Kang Pan , Simeng Li , Zongchang Han , Kexin Wang , Li Li
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