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Understanding causal heterogeneity is essential for scientific discovery in domains such as biology and medicine. However, existing methods lack causal awareness, with insufficient modeling of heterogeneity, confounding, and observational…

Machine Learning · Computer Science 2025-10-29 Wenrui Li , Qinghao Zhang , Xiaowo Wang

Conventional supervised learning methods typically assume i.i.d samples and are found to be sensitive to out-of-distribution (OOD) data. We propose Generative Causal Representation Learning (GCRL) which leverages causality to facilitate…

Machine Learning · Computer Science 2023-04-27 Shayan Shirahmad Gale Bagi , Zahra Gharaee , Oliver Schulte , Mark Crowley

Heterogeneous graphs (HGs) are composed of multiple types of nodes and edges, making it more effective in capturing the complex relational structures inherent in the real world. However, in real-world scenarios, labeled data is often…

Machine Learning · Computer Science 2025-08-20 Ruobing Jiang , Yacong Li , Haobing Liu , Yanwei Yu

Camouflaged object detection (COD) aims to localize targets that exhibit minimal perceptual differences from backgrounds through physical attributes. Existing methods, constrained by the static train-then-freeze paradigm, suffer from domain…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Mingfeng Zha , Tianyu Li , Guoqing Wang , Yunqiang Pei , Chaofan Qiao , Jiening Zhang , Yang Yang , Heng Tao Shen

In goal-conditioned hierarchical reinforcement learning (HRL), a high-level policy specifies a subgoal for the low-level policy to reach. Effective HRL hinges on a suitable subgoal represen tation function, abstracting state space into…

Machine Learning · Computer Science 2024-06-25 Vivienne Huiling Wang , Tinghuai Wang , Wenyan Yang , Joni-Kristian Kämäräinen , Joni Pajarinen

Approaches for goal-conditioned reinforcement learning (GCRL) often use learned state representations to extract goal-reaching policies. Two frameworks for representation structure have yielded particularly effective GCRL algorithms: (1)…

Machine Learning · Computer Science 2025-12-03 Vivek Myers , Bill Chunyuan Zheng , Benjamin Eysenbach , Sergey Levine

Machine learning (ML) has seen promising developments in materials science, yet its efficacy largely depends on detailed crystal structural data, which are often complex and hard to obtain, limiting their applicability in real-world…

Materials Science · Physics 2024-12-10 Namkyeong Lee , Heewoong Noh , Gyoung S. Na , Jimeng Sun , Tianfan Fu , Marinka Zitnik , Chanyoung Park

Object-Centric Learning (OCL) aims to discover objects in images or videos by reconstructing the input. Representative methods achieve this by reconstructing the input as its Variational Autoencoder (VAE) discrete representations, which…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Rongzhen Zhao , Vivienne Wang , Juho Kannala , Joni Pajarinen

Open-ended learning benefits immensely from the use of symbolic methods for goal representation as they offer ways to structure knowledge for efficient and transferable learning. However, the existing Hierarchical Reinforcement Learning…

Machine Learning · Computer Science 2023-09-15 Mehdi Zadem , Sergio Mover , Sao Mai Nguyen

Causal Representation Learning (CRL) aims at identifying high-level causal factors and their relationships from high-dimensional observations, e.g., images. While most CRL works focus on learning causal representations in a single…

Machine Learning · Computer Science 2024-03-18 Davide Talon , Phillip Lippe , Stuart James , Alessio Del Bue , Sara Magliacane

Generative pre-training via discrete diffusion provides dense reconstruction supervision across all feature fields simultaneously, mitigating representation collapse from data sparsity in CTR prediction. However, all existing generative CTR…

Information Retrieval · Computer Science 2026-05-26 Moyu Zhang , Yun Chen , Yujun Jin , Jinxin Hu , Yu Zhang , Xiaoyi Zeng

Conventional representation learning methods learn a universal representation that primarily captures dominant semantics, which may not always align with customized downstream tasks. For instance, in animal habitat analysis, researchers…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Honglin Liu , Chao Sun , Peng Hu , Yunfan Li , Xi Peng

Disentangled Representation Learning (DRL) aims to learn a model capable of identifying and disentangling the underlying factors hidden in the observable data in representation form. The process of separating underlying factors of variation…

Machine Learning · Computer Science 2024-06-28 Xin Wang , Hong Chen , Si'ao Tang , Zihao Wu , Wenwu Zhu

Similar to humans perceiving visual scenes as objects, Object-Centric Learning (OCL) can abstract dense images or videos into sparse object-level features. Transformer-based OCL handles complex textures well due to the decoding guidance of…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Rongzhen Zhao , Vivienne Wang , Juho Kannala , Joni Pajarinen

Unsupervised heterogeneous graph representation learning (UHGRL) has gained increasing attention due to its significance in handling practical graphs without labels. However, heterophily has been largely ignored, despite its ubiquitous…

Machine Learning · Computer Science 2025-02-05 Zhixiang Shen , Zhao Kang

Existing modular Reinforcement Learning (RL) architectures are generally based on reusable components, also allowing for "plug-and-play" integration. However, these modules are homogeneous in nature - in fact, they essentially provide…

Machine Learning · Computer Science 2024-11-01 Lorenz Wolf , Mirco Musolesi

Compositional Zero-Shot Learning (CZSL) aims to recognize novel attribute-object compositions by leveraging knowledge from seen compositions. Current methods align textual prototypes with visual features via Vision-Language Models (VLMs),…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Shiyu Zhang , Cheng Yan , Yang Liu , Chenchen Jing , Lei Zhou , Wenjun Wang

Object-centric representations promise a key property for few-shot learning: Rather than treating a scene as a single unit, a model can decompose it into individual object-level parts that can be matched and compared across different…

Machine Learning · Computer Science 2026-05-19 Phu-Quy Nguyen-Lam , Phu-Hoa Pham , Dao Sy Duy Minh , Chi-Nguyen Tran , Huynh Trung Kiet , Long Tran-Thanh

This paper describes LOCL (Learning Object Attribute Composition using Localization) that generalizes composition zero shot learning to objects in cluttered and more realistic settings. The problem of unseen Object Attribute (OA)…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Satish Kumar , ASM Iftekhar , Ekta Prashnani , B. S. Manjunath

Compositional zero-shot learning (CZSL) aims to recognize unseen compositions with prior knowledge of known primitives (attribute and object). Previous works for CZSL often suffer from grasping the contextuality between attribute and…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Hanjae Kim , Jiyoung Lee , Seongheon Park , Kwanghoon Sohn