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Related papers: Contrastive Audio-Visual Masked Autoencoder

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Strong gravitational lensing can reveal the influence of dark-matter substructure in galaxies, but analyzing these effects from noisy, low-resolution images poses a significant challenge. In this work, we propose a masked autoencoder (MAE)…

We present a multimodal framework to learn general audio representations from videos. Existing contrastive audio representation learning methods mainly focus on using the audio modality alone during training. In this work, we show that…

Sound · Computer Science 2021-04-29 Luyu Wang , Pauline Luc , Adria Recasens , Jean-Baptiste Alayrac , Aaron van den Oord

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…

Machine Learning · Computer Science 2025-08-29 Immanuel Roßteutscher , Klaus S. Drese , Thorsten Uphues

Dense passage retrieval aims to retrieve the relevant passages of a query from a large corpus based on dense representations (i.e., vectors) of the query and the passages. Recent studies have explored improving pre-trained language models…

Computation and Language · Computer Science 2022-12-05 Xing Wu , Guangyuan Ma , Meng Lin , Zijia Lin , Zhongyuan Wang , Songlin Hu

Vision Transformers (ViT) become widely-adopted architectures for various vision tasks. Masked auto-encoding for feature pretraining and multi-scale hybrid convolution-transformer architectures can further unleash the potentials of ViT,…

Computer Vision and Pattern Recognition · Computer Science 2022-05-20 Peng Gao , Teli Ma , Hongsheng Li , Ziyi Lin , Jifeng Dai , Yu Qiao

We introduce Perception Encoder Audiovisual, PE-AV, a new family of encoders for audio and video understanding trained with scaled contrastive learning. Built on PE, PE-AV makes several key contributions to extend representations to audio,…

Masked image modeling has been demonstrated as a powerful pretext task for generating robust representations that can be effectively generalized across multiple downstream tasks. Typically, this approach involves randomly masking patches…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Neelu Madan , Nicolae-Catalin Ristea , Kamal Nasrollahi , Thomas B. Moeslund , Radu Tudor Ionescu

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

This study explores the application of self-supervised learning (SSL) to the task of motion forecasting, an area that has not yet been extensively investigated despite the widespread success of SSL in computer vision and natural language…

Robotics · Computer Science 2023-08-22 Jie Cheng , Xiaodong Mei , Ming Liu

Masked image modelling (e.g., Masked AutoEncoder) and contrastive learning (e.g., Momentum Contrast) have shown impressive performance on unsupervised visual representation learning. This work presents Masked Contrastive Representation…

Computer Vision and Pattern Recognition · Computer Science 2022-11-14 Yuchong Yao , Nandakishor Desai , Marimuthu Palaniswami

Aiming at exploiting the rich information in user behaviour sequences, sequential recommendation has been widely adopted in real-world recommender systems. However, current methods suffer from the following issues: 1) sparsity of user-item…

Information Retrieval · Computer Science 2022-12-06 Yu Wang , Hengrui Zhang , Zhiwei Liu , Liangwei Yang , Philip S. Yu

Existing Masked Image Modeling (MIM) depends on a spatial patch-based masking-reconstruction strategy to perceive objects'features from unlabeled images, which may face two limitations when applied to chest CT: 1) inefficient feature…

Image and Video Processing · Electrical Eng. & Systems 2024-07-15 Jie Zheng , Ru Wen , Haiqin Hu , Lina Wei , Kui Su , Wei Chen , Chen Liu , Jun Wang

Acoustic Word Embeddings (AWEs) improve the efficiency of speech retrieval tasks such as Spoken Term Detection (STD) and Keyword Spotting (KWS). However, existing approaches suffer from limitations, including unimodal supervision, disjoint…

Sound · Computer Science 2025-12-17 Ramesh Gundluru , Shubham Gupta , Sri Rama Murty K

In the contrastive analysis (CA) setting, machine learning practitioners are specifically interested in discovering patterns that are enriched in a target dataset as compared to a background dataset generated from sources of variation…

Machine Learning · Computer Science 2022-02-23 Ethan Weinberger , Nicasia Beebe-Wang , Su-In Lee

Wav2vec-C introduces a novel representation learning technique combining elements from wav2vec 2.0 and VQ-VAE. Our model learns to reproduce quantized representations from partially masked speech encoding using a contrastive loss in a way…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-25 Samik Sadhu , Di He , Che-Wei Huang , Sri Harish Mallidi , Minhua Wu , Ariya Rastrow , Andreas Stolcke , Jasha Droppo , Roland Maas

The Masked autoencoder (MAE) has drawn attention as a representative self-supervised approach for masked image modeling with vision transformers. However, even though MAE shows better generalization capability than fully supervised training…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Youngwan Lee , Jeffrey Ryan Willette , Jonghee Kim , Sung Ju Hwang

Masked Autoencoders (MAEs) learn rich low-level representations from unlabeled data but require substantial labeled data to effectively adapt to downstream tasks. Conversely, Instance Discrimination (ID) emphasizes high-level semantics,…

Sound · Computer Science 2024-03-15 Afrina Tabassum , Dung Tran , Trung Dang , Ismini Lourentzou , Kazuhito Koishida

The Variational Autoencoder (VAE) is known to suffer from the phenomenon of \textit{posterior collapse}, where the latent representations generated by the model become independent of the inputs. This leads to degenerated representations of…

Machine Learning · Computer Science 2023-09-12 Fotios Lygerakis , Elmar Rueckert

Learning latent representations that are simultaneously expressive, geometrically well-structured, and reliably calibrated remains a central challenge for Variational Autoencoders (VAEs). Standard VAEs typically assume a diagonal Gaussian…

Machine Learning · Computer Science 2025-12-02 Mehmet Can Yavuz

We introduce COLA, a self-supervised pre-training approach for learning a general-purpose representation of audio. Our approach is based on contrastive learning: it learns a representation which assigns high similarity to audio segments…

Sound · Computer Science 2020-10-22 Aaqib Saeed , David Grangier , Neil Zeghidour