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The last years have witnessed the emergence of a promising self-supervised learning strategy, referred to as masked autoencoding. However, there is a lack of theoretical understanding of how masking matters on graph autoencoders (GAEs). In…

机器学习 · 计算机科学 2023-05-30 Jintang Li , Ruofan Wu , Wangbin Sun , Liang Chen , Sheng Tian , Liang Zhu , Changhua Meng , Zibin Zheng , Weiqiang Wang

Graph self-supervised learning seeks to learn effective graph representations without relying on labeled data. Among various approaches, graph autoencoders (GAEs) have gained significant attention for their efficiency and scalability.…

机器学习 · 计算机科学 2025-06-17 Yang Liu , Deyu Bo , Wenxuan Cao , Yuan Fang , Yawen Li , Chuan Shi

Recently, a number of works have studied clustering strategies that combine classical clustering algorithms and deep learning methods. These approaches follow either a sequential way, where a deep representation is learned using a deep…

机器学习 · 计算机科学 2019-06-13 Severine Affeldt , Lazhar Labiod , Mohamed Nadif

Is there really much more to say about sparse autoencoders (SAEs)? Autoencoders in general, and SAEs in particular, represent deep architectures that are capable of modeling low-dimensional latent structure in data. Such structure could…

机器学习 · 计算机科学 2025-06-09 Yin Lu , Xuening Zhu , Tong He , David Wipf

Recent studies have shown that autoencoder-based models can achieve superior performance on anomaly detection tasks due to their excellent ability to fit complex data in an unsupervised manner. In this work, we propose a novel…

机器学习 · 计算机科学 2022-09-20 Wenkai Li , Wenbo Hu , Ting Chen , Ning Chen , Cheng Feng

Deep generative models have been enjoying success in modeling continuous data. However it remains challenging to capture the representations for discrete structures with formal grammars and semantics, e.g., computer programs and molecular…

机器学习 · 计算机科学 2018-02-27 Hanjun Dai , Yingtao Tian , Bo Dai , Steven Skiena , Le Song

We propose the Motion Capsule Autoencoder (MCAE), which addresses a key challenge in the unsupervised learning of motion representations: transformation invariance. MCAE models motion in a two-level hierarchy. In the lower level, a…

计算机视觉与模式识别 · 计算机科学 2021-10-04 Ziwei Xu , Xudong Shen , Yongkang Wong , Mohan S Kankanhalli

One major challenge of disentanglement learning with variational autoencoders is the trade-off between disentanglement and reconstruction fidelity. Previous studies, which increase the information bottleneck during training, tend to lose…

机器学习 · 计算机科学 2023-10-05 Jiantao Wu , Shentong Mo , Xiang Yang , Muhammad Awais , Sara Atito , Xingshen Zhang , Lin Wang , Xiang Yang

The field of imbalanced self-supervised learning, especially in the context of tabular data, has not been extensively studied. Existing research has predominantly focused on image datasets. This paper aims to fill this gap by examining the…

机器学习 · 计算机科学 2024-03-26 Samuel Stocksieker , Denys Pommeret , Arthur Charpentier

Chinese characters carry a wealth of morphological and semantic information; therefore, the semantic enhancement of the morphology of Chinese characters has drawn significant attention. The previous methods were intended to directly extract…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Zongze Chen , Wenxia Yang , Xin Li

Deep neural networks are powerful tools for biomedical image segmentation. These models are often trained with heavy supervision, relying on pairs of images and corresponding voxel-level labels. However, obtaining segmentations of…

图像与视频处理 · 电气工程与系统科学 2020-04-30 Evan M. Yu , Juan Eugenio Iglesias , Adrian V. Dalca , Mert R. Sabuncu

Probabilistic generative models are attractive for scientific modeling because their inferred parameters can be used to generate hypotheses and design experiments. This requires that the learned model provide an accurate representation of…

机器学习 · 统计学 2023-01-18 Liyun Tu , Austin Talbot , Neil Gallagher , David Carlson

An autoencoder (AE) is a neural network that, using self-supervised training, learns a succinct parameterized representation, and a corresponding encoding and decoding process, for all instances in a given class. Here, we introduce the…

机器学习 · 计算机科学 2025-07-15 Assaf Marron , Smadar Szekely , Irun Cohen , David Harel

Current self-supervised learning algorithms are often modality-specific and require large amounts of computational resources. To address these issues, we increase the training efficiency of data2vec, a learning objective that generalizes…

机器学习 · 计算机科学 2023-06-16 Alexei Baevski , Arun Babu , Wei-Ning Hsu , Michael Auli

Self-supervised learning has been a powerful training paradigm to facilitate representation learning. In this study, we design a masked autoencoder (MAE) to guide deep learning models to learn electroencephalography (EEG) signal…

人机交互 · 计算机科学 2024-09-04 Yifei Zhou , Sitong Liu

Syntactic information contains structures and rules about how text sentences are arranged. Incorporating syntax into text modeling methods can potentially benefit both representation learning and generation. Variational autoencoders (VAEs)…

计算与语言 · 计算机科学 2019-08-28 Yijun Xiao , William Yang Wang

Detecting and recognizing text in natural scene images is a challenging, yet not completely solved task. In recent years several new systems that try to solve at least one of the two sub-tasks (text detection and text recognition) have been…

计算机视觉与模式识别 · 计算机科学 2017-12-18 Christian Bartz , Haojin Yang , Christoph Meinel

Current video-based Masked Autoencoders (MAEs) primarily focus on learning effective spatiotemporal representations from a visual perspective, which may lead the model to prioritize general spatial-temporal patterns but often overlook…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Shihab Aaqil Ahamed , Malitha Gunawardhana , Liel David , Michael Sidorov , Daniel Harari , Muhammad Haris Khan

Building scalable models to learn from diverse, multimodal data remains an open challenge. For vision-language data, the dominant approaches are based on contrastive learning objectives that train a separate encoder for each modality. While…

计算机视觉与模式识别 · 计算机科学 2022-10-24 Xinyang Geng , Hao Liu , Lisa Lee , Dale Schuurmans , Sergey Levine , Pieter Abbeel

The development of robust and generalisable models for encoding the spatio-temporal dynamics of human brain activity is crucial for advancing neuroscientific discoveries. However, significant individual variation in the organisation of the…

图像与视频处理 · 电气工程与系统科学 2024-06-12 Simon Dahan , Logan Z. J. Williams , Yourong Guo , Daniel Rueckert , Emma C. Robinson