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Sequential recommendation (SR) systems excel at capturing users' dynamic preferences by leveraging their interaction histories. Most existing SR systems assign a single embedding vector to each item to represent its features, adopting…

信息检索 · 计算机科学 2026-01-21 Mingrui Liu , Sixiao Zhang , Cheng Long

Human perception is inherently multimodal. We integrate, for instance, visual, proprioceptive and tactile information into one experience. Hence, multimodal learning is of importance for building robotic systems that aim at robustly…

机器学习 · 计算机科学 2024-11-04 Carlotta Langer , Yasmin Kim Georgie , Ilja Porohovoj , Verena Vanessa Hafner , Nihat Ay

Wearable accelerometers are widely used for continuous monitoring of physical activity. Supervised machine learning and deep learning algorithms have long been used to extract meaningful activity information from raw accelerometry data, but…

信号处理 · 电气工程与系统科学 2025-05-28 Niels R. Lorenzen , Poul J. Jennum , Emmanuel Mignot , Andreas Brink-Kjaer

Inspired by the masked language modeling (MLM) in natural language processing tasks, the masked image modeling (MIM) has been recognized as a strong self-supervised pre-training method in computer vision. However, the high random mask ratio…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Zhaowen Li , Yousong Zhu , Zhiyang Chen , Wei Li , Chaoyang Zhao , Rui Zhao , Ming Tang , Jinqiao Wang

Masked Autoencoders (MAE) have been popular paradigms for large-scale vision representation pre-training. However, MAE solely reconstructs the low-level RGB signals after the decoder and lacks supervision upon high-level semantics for the…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Peng Gao , Renrui Zhang , Rongyao Fang , Ziyi Lin , Hongyang Li , Hongsheng Li , Qiao Yu

With the exponential growth of multimedia data, leveraging multimodal sensors presents a promising approach for improving accuracy in human activity recognition. Nevertheless, accurately identifying these activities using both video data…

计算机视觉与模式识别 · 计算机科学 2024-08-09 Rex Liu , Xin Liu

Echocardiography is a widely used modality for cardiac assessment due to its non-invasive and cost-effective nature, but the sparse and heterogeneous spatiotemporal views of the heart pose distinct challenges. Existing masked autoencoder…

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…

计算机视觉与模式识别 · 计算机科学 2024-10-17 Peihao Xiang , Chaohao Lin , Kaida Wu , Ou Bai

The Masked Autoencoder (MAE) has recently demonstrated effectiveness in pre-training Vision Transformers (ViT) for analyzing natural images. By reconstructing complete images from partially masked inputs, the ViT encoder gathers contextual…

图像与视频处理 · 电气工程与系统科学 2025-06-03 Badhan Kumar Das , Gengyan Zhao , Han Liu , Thomas J. Re , Dorin Comaniciu , Eli Gibson , Andreas Maier

Large-scale self-supervised pre-training Transformer architecture have significantly boosted the performance for various tasks in natural language processing (NLP) and computer vision (CV). However, there is a lack of researches on…

机器学习 · 计算机科学 2022-10-06 Peiwang Tang , Xianchao Zhang

Masked Autoencoding (MAE) has emerged as an effective approach for pre-training representations across multiple domains. In contrast to discrete tokens in natural languages, the input for image MAE is continuous and subject to additional…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Ronghang Hu , Shoubhik Debnath , Saining Xie , Xinlei Chen

The human brain is a complex, dynamic network, which is commonly studied using functional magnetic resonance imaging (fMRI) and modeled as network of Regions of interest (ROIs) for understanding various brain functions. Recent studies…

定量方法 · 定量生物学 2024-06-26 Yifan Yang , Yutong Mao , Xufu Liu , Xiao Liu

Data reconstruction is a widely used pre-training task to learn the generalized features for many downstream tasks. Although reconstruction tasks have been applied to neural signal completion and denoising, neural signal reconstruction is…

神经元与认知 · 定量生物学 2024-07-02 Youzhi Qu , Junfeng Xia , Xinyao Jian , Wendu Li , Kaining Peng , Zhichao Liang , Haiyan Wu , Quanying Liu

Integrating the different data modalities of cancer patients can significantly improve the predictive performance of patient survival. However, most existing methods ignore the simultaneous utilization of rich semantic features at different…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Liangrui Pan , Yijun Peng , Yan Li , Yiyi Liang , Liwen Xu , Qingchun Liang , Shaoliang Peng

Real-world model deployment across multiple domains requires multimodal models to operate under two complementary regimes: (1) multi-task pretraining, tasks are co-available at design time where related tasks could borrow representational…

机器学习 · 计算机科学 2026-05-12 Xing Han , Shravan Chaudhari , Tanvi Ranade , Rama Chellappa , Suchi Saria

Federated learning is a specific distributed learning paradigm in which a central server aggregates updates from multiple clients' local models, thereby enabling the server to learn without requiring clients to upload their private data,…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Yuchen He , Xiangfeng Wang

We investigated the adaptation and performance of Masked Autoencoders (MAEs) with Vision Transformer (ViT) architectures for self-supervised representation learning on one-dimensional (1D) ultrasound signals. Although MAEs have demonstrated…

机器学习 · 计算机科学 2025-08-29 Immanuel Roßteutscher , Klaus S. Drese , Thorsten Uphues

Mask-based pretraining has become a cornerstone of modern large-scale models across language, vision, and recently biology. Despite its empirical success, its role and limits in learning data representations have been unclear. In this work,…

机器学习 · 计算机科学 2025-09-29 Mingze Dong , Leda Wang , Yuval Kluger

Physiological signals such as electrocardiograms (ECG) and electroencephalograms (EEG) provide complementary insights into human health and cognition, yet multi-modal integration is challenging due to limited multi-modal labeled data, and…

Electrocardiograms (ECGs) are among the most widely available clinical signals and play a central role in cardiovascular diagnosis. While recent foundation models (FMs) have shown promise for learning transferable ECG representations, most…