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Causal representation learning (CRL) aims to learn low-dimensional causal latent variables from high-dimensional observations. While identifiability has been extensively studied for CRL, estimation has been less explored. In this paper, we…

Machine Learning · Statistics 2026-03-24 Bohan Wu , Julius von Kügelgen , David M. Blei

Multi-view clustering has become increasingly important due to the multi-source character of real-world data. Among existing multi-view clustering methods, multi-kernel clustering and matrix factorization-based multi-view clustering have…

Machine Learning · Computer Science 2024-12-13 Chenxing Jia , Mingjie Cai , Hamido Fujita

Recent multimodal retrieval methods have endowed text-based retrievers with multimodal capabilities by utilizing pre-training strategies for visual-text alignment. They often directly fuse the two modalities for cross-reference during the…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Yeong-Joon Ju , Ho-Joong Kim , Seong-Whan Lee

Recent deep reinforcement learning (DRL) successes rely on end-to-end learning from fixed-size observational inputs (e.g. image, state-variables). However, many challenging and interesting problems in decision making involve observations or…

Machine Learning · Computer Science 2022-06-08 Vince Jankovics , Michael Garcia Ortiz , Eduardo Alonso

In contrast to centralized model training that involves data collection, federated learning (FL) enables remote clients to collaboratively train a model without exposing their private data. However, model performance usually degrades in FL…

Machine Learning · Computer Science 2023-04-21 Ye Lin Tun , Chu Myaet Thwal , Yu Min Park , Seong-Bae Park , Choong Seon Hong

Visible-Infrared person re-identification (VI-ReID) is an important and challenging task in intelligent video surveillance. Existing methods mainly focus on learning a shared feature space to reduce the modality discrepancy between visible…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Haichao Shi , Mandi Luo , Xiao-Yu Zhang , Ran He

Combining complementary information from multiple modalities is intuitively appealing for improving the performance of learning-based approaches. However, it is challenging to fully leverage different modalities due to practical challenges…

Machine Learning · Statistics 2018-05-31 Kuan Liu , Yanen Li , Ning Xu , Prem Natarajan

Multi-view clustering methods have been a focus in recent years because of their superiority in clustering performance. However, typical traditional multi-view clustering algorithms still have shortcomings in some aspects, such as removal…

Machine Learning · Computer Science 2020-08-25 Junpeng Tan , Yukai Shi , Zhijing Yang , Caizhen Wen , Liang Lin

Developing effective path representations has become increasingly essential across various fields within intelligent transportation. Although pre-trained path representation learning models have shown improved performance, they…

Machine Learning · Computer Science 2025-01-03 Ronghui Xu , Hanyin Cheng , Chenjuan Guo , Hongfan Gao , Jilin Hu , Sean Bin Yang , Bin Yang

In reinforcement learning (RL), it is easier to solve a task if given a good representation. While deep RL should automatically acquire such good representations, prior work often finds that learning representations in an end-to-end fashion…

Machine Learning · Computer Science 2023-02-21 Benjamin Eysenbach , Tianjun Zhang , Ruslan Salakhutdinov , Sergey Levine

Unsupervised cell type identification is crucial for uncovering and characterizing heterogeneous populations in single cell omics studies. Although a range of clustering methods have been developed, most focus exclusively on intrinsic…

Artificial Intelligence · Computer Science 2025-12-12 Liang Peng , Haopeng Liu , Yixuan Ye , Cheng Liu , Wenjun Shen , Si Wu , Hau-San Wong

Representing urban regions accurately and comprehensively is essential for various urban planning and analysis tasks. Recently, with the expansion of the city, modeling long-range spatial dependencies with multiple data sources plays an…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Weiliang Chen , Qianqian Ren , Jinbao Li

Trajectory representation learning plays a pivotal role in supporting various downstream tasks. Traditional methods in order to filter the noise in GPS trajectories tend to focus on routing-based methods used to simplify the trajectories.…

Machine Learning · Computer Science 2024-02-28 Zhipeng Ma , Zheyan Tu , Xinhai Chen , Yan Zhang , Deguo Xia , Guyue Zhou , Yilun Chen , Yu Zheng , Jiangtao Gong

Multimodal learning has mainly focused on learning large models on, and fusing feature representations from, different modalities for better performances on downstream tasks. In this work, we take a detour from this trend and study the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-08 Yifeng Shi , Marc Niethammer

Visual question answering (VQA) is challenging because it requires a simultaneous understanding of both visual content of images and textual content of questions. To support the VQA task, we need to find good solutions for the following…

Computer Vision and Pattern Recognition · Computer Science 2019-05-17 Zhou Yu , Jun Yu , Chenchao Xiang , Jianping Fan , Dacheng Tao

In this paper we propose a strategy for semi-supervised image classification that leverages unsupervised representation learning and co-training. The strategy, that is called CURL from Co-trained Unsupervised Representation Learning,…

Machine Learning · Computer Science 2015-09-14 Simone Bianco , Gianluigi Ciocca , Claudio Cusano

Benefiting from large-scale pretrained vision language models (VLMs), the performance of visual question answering (VQA) has approached human oracles. However, finetuning such models on limited data often suffers from overfitting and poor…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Jingjing Jiang , Ziyi Liu , Nanning Zheng

Cross-modal retrieval has become a highlighted research topic for retrieval across multimedia data such as image and text. A two-stage learning framework is widely adopted by most existing methods based on Deep Neural Network (DNN): The…

Multimedia · Computer Science 2017-08-09 Yuxin Peng , Jinwei Qi , Xin Huang , Yuxin Yuan

Deep reinforcement learning (RL), where the agent learns from mistakes, has been successfully applied to a variety of tasks. With the aim of learning collision-free policies for unmanned vehicles, deep RL has been used for training with…

Multimodal demonstrations provide robots with an abundance of information to make sense of the world. However, such abundance may not always lead to good performance when it comes to learning sensorimotor control policies from human…

Machine Learning · Computer Science 2023-03-07 Yilun Hao , Ruinan Wang , Zhangjie Cao , Zihan Wang , Yuchen Cui , Dorsa Sadigh