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Wasserstein autoencoder (WAE) shows that matching two distributions is equivalent to minimizing a simple autoencoder (AE) loss under the constraint that the latent space of this AE matches a pre-specified prior distribution. This latent…

Computer Vision and Pattern Recognition · Computer Science 2023-02-17 Devansh Arpit , Aadyot Bhatnagar , Huan Wang , Caiming Xiong

Self-supervised learning (SSL) has recently emerged as a powerful approach to learning representations from large-scale unlabeled data, showing promising results in time series analysis. The self-supervised representation learning can be…

Machine Learning · Computer Science 2024-03-18 Ziyu Liu , Azadeh Alavi , Minyi Li , Xiang Zhang

Partially-supervised instance segmentation is a task which requests segmenting objects from novel unseen categories via learning on limited seen categories with annotated masks thus eliminating demands of heavy annotation burden. The key to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Xuehui Wang , Kai Zhao , Ruixin Zhang , Shouhong Ding , Yan Wang , Wei Shen

In this paper, we first extend the recent Masked Auto-Encoder (MAE) model from a single modality to audio-visual multi-modalities. Subsequently, we propose the Contrastive Audio-Visual Masked Auto-Encoder (CAV-MAE) by combining contrastive…

Multimodal learning aims to imitate human beings to acquire complementary information from multiple modalities for various downstream tasks. However, traditional aggregation-based multimodal fusion methods ignore the inter-modality…

Computer Vision and Pattern Recognition · Computer Science 2023-05-17 Heqing Zou , Meng Shen , Chen Chen , Yuchen Hu , Deepu Rajan , Eng Siong Chng

There have been several recent efforts towards developing representations for multivariate time-series in an unsupervised learning framework. Such representations can prove beneficial in tasks such as activity recognition, health…

Machine Learning · Computer Science 2022-09-23 Yitian Zhang , Florence Regol , Antonios Valkanas , Mark Coates

Contrastive learning is commonly used as a method of self-supervised learning with the "anchor" and "positive" being two random augmentations of a given input image, and the "negative" is the set of all other images. However, the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Rishab Balasubramanian , Kunal Rathore

For graph self-supervised learning (GSSL), masked autoencoder (MAE) follows the generative paradigm and learns to reconstruct masked graph edges or node features. Contrastive Learning (CL) maximizes the similarity between augmented views of…

Machine Learning · Computer Science 2023-10-25 Yuxiang Wang , Xiao Yan , Chuang Hu , Fangcheng Fu , Wentao Zhang , Hao Wang , Shuo Shang , Jiawei Jiang

Adapting machine learning models to medical time series across different domains remains a challenge due to complex temporal dependencies and dynamic distribution shifts. Current approaches often focus on isolated feature representations,…

Machine Learning · Computer Science 2025-09-23 YongKyung Oh , Alex Bui

Contrastive learning has moved the state of the art for many tasks in computer vision and information retrieval in recent years. This poster is the first work that applies supervised contrastive learning to the task of product matching in…

Machine Learning · Computer Science 2022-05-03 Ralph Peeters , Christian Bizer

The backpropagation method has enabled transformative uses of neural networks. Alternatively, for energy-based models, local learning methods involving only nearby neurons offer benefits in terms of decentralized training, and allow for the…

Disordered Systems and Neural Networks · Physics 2025-01-30 Martin J. Falk , Adam T. Strupp , Benjamin Scellier , Arvind Murugan

This paper tackles the challenging problem of estimating the intensity of Facial Action Units with few labeled images. Contrary to previous works, our method does not require to manually select key frames, and produces state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2020-11-05 Enrique Sanchez , Adrian Bulat , Anestis Zaganidis , Georgios Tzimiropoulos

Unsupervised learning has recently made exceptional progress because of the development of more effective contrastive learning methods. However, CNNs are prone to depend on low-level features that humans deem non-semantic. This dependency…

Computer Vision and Pattern Recognition · Computer Science 2022-01-04 Songwei Ge , Shlok Mishra , Haohan Wang , Chun-Liang Li , David Jacobs

Cross-age facial images are typically challenging and expensive to collect, making noise-free age-oriented datasets relatively small compared to widely-used large-scale facial datasets. Additionally, in real scenarios, images of the same…

Computer Vision and Pattern Recognition · Computer Science 2024-01-04 Haoyi Wang , Victor Sanchez , Chang-Tsun Li

Continuous authentication has been widely studied to provide high security and usability for mobile devices by continuously monitoring and authenticating users. Recent studies adopt multibiometric fusion for continuous authentication to…

Authentication is a task aiming to confirm the truth between data instances and personal identities. Typical authentication applications include face recognition, person re-identification, authentication based on mobile devices and so on.…

Machine Learning · Statistics 2019-05-29 Jian Liang , Yuren Cao , Chenbin Zhang , Shiyu Chang , Kun Bai , Zenglin Xu

Contrastive learning has gained popularity and pushes state-of-the-art performance across numerous large-scale benchmarks. In contrastive learning, the contrastive loss function plays a pivotal role in discerning similarities between…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Haojin Deng , Yimin Yang

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…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Shihab Aaqil Ahamed , Malitha Gunawardhana , Liel David , Michael Sidorov , Daniel Harari , Muhammad Haris Khan

We propose a self-supervised learning approach for videos that learns representations of both the RGB frames and the accompanying audio without human supervision. In contrast to images that capture the static scene appearance, videos also…

Computer Vision and Pattern Recognition · Computer Science 2023-02-16 Simon Jenni , Alexander Black , John Collomosse

Assigning consistent temporal identifiers to multiple moving objects in a video sequence is a challenging problem. A solution to that problem would have immediate ramifications in multiple object tracking and segmentation problems. We…

Computer Vision and Pattern Recognition · Computer Science 2021-11-08 Abubakar Siddique , Reza Jalil Mozhdehi , Henry Medeiros
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