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In visual place recognition (VPR), filtering and sequence-based matching approaches can improve performance by integrating temporal information across image sequences, especially in challenging conditions. While these methods are commonly…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Somayeh Hussaini , Tobias Fischer , Michael Milford

The past decade has seen the rapid development of Reinforcement Learning, which acquires impressive performance with numerous training resources. However, one of the greatest challenges in RL is generalization efficiency (i.e.,…

Machine Learning · Computer Science 2021-08-18 Qi Yang , Peng Yang , Ke Tang

We present MaCLR, a novel method to explicitly perform cross-modal self-supervised video representations learning from visual and motion modalities. Compared to previous video representation learning methods that mostly focus on learning…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Fanyi Xiao , Joseph Tighe , Davide Modolo

In many RL applications, ensuring an agent's actions adhere to constraints is crucial for safety. Most previous methods in Action-Constrained Reinforcement Learning (ACRL) employ a projection layer after the policy network to correct the…

Machine Learning · Computer Science 2025-02-18 Janaka Chathuranga Brahmanage , Jiajing Ling , Akshat Kumar

Large-scale pre-trained Vision-Language Models (VLMs) have become essential for transfer learning across diverse tasks. However, adapting these models with limited few-shot data often leads to overfitting, diminishing their performance on…

Machine Learning · Computer Science 2025-03-27 Yuncheng Guo , Xiaodong Gu

In recent years, Multi-View Clustering (MVC) has attracted increasing attention for its potential to reduce the annotation burden associated with large datasets. The aim of MVC is to exploit the inherent consistency and complementarity…

Machine Learning · Computer Science 2024-07-12 Zhangci Xiong , Meng Cao

Causal representation learning (CRL) offers the promise of uncovering the underlying causal model by which observed data was generated, but the practical applicability of existing methods remains limited by the strong assumptions required…

Machine Learning · Computer Science 2026-01-30 Yuhang Liu , Zhen Zhang , Dong Gong , Erdun Gao , Biwei Huang , Mingming Gong , Anton van den Hengel , Kun Zhang , Javen Qinfeng Shi

Visual Place Recognition (VPR) determines a query image's geographic location by matching it against geotagged databases. However, existing methods struggle with perceptual aliasing caused by irrelevant regions and inefficient re-ranking…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Shunpeng Chen , Yukun Song , Changwei Wang , Rongtao Xu , Kexue Fu , Longxiang Gao , Li Guo , Ruisheng Wang , Shibiao Xu

Reinforcement learning (RL) is gaining attention by more and more researchers in quantitative finance as the agent-environment interaction framework is aligned with decision making process in many business problems. Most of the current…

Mathematical Finance · Quantitative Finance 2022-05-31 Huifang Huang , Ting Gao , Yi Gui , Jin Guo , Peng Zhang

Referring Image Segmentation (RIS) requires identifying objects from images based on textual descriptions. We observe that existing methods significantly underperform on motion-related queries compared to appearance-based ones. To address…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Chaeyun Kim , Seunghoon Yi , Yejin Kim , Yohan Jo , Joonseok Lee

Modeling of real-world biological multi-agents is a fundamental problem in various scientific and engineering fields. Reinforcement learning (RL) is a powerful framework to generate flexible and diverse behaviors in cyberspace; however,…

Artificial Intelligence · Computer Science 2023-12-20 Keisuke Fujii , Kazushi Tsutsui , Atom Scott , Hiroshi Nakahara , Naoya Takeishi , Yoshinobu Kawahara

Magnetic Resonance Fingerprinting (MRF) leverages transient-state signal dynamics generated by the tunable acquisition parameters, making the design of an optimal, robust sequence a complex, high-dimensional sequential decision problem,…

Machine Learning · Computer Science 2025-11-26 Shenjun Zhong , Zhifeng Chen , Zhaolin Chen

Point-level supervised temporal action localization (PTAL) aims at recognizing and localizing actions in untrimmed videos where only a single point (frame) within every action instance is annotated in training data. Without temporal…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Yuan Yin , Yifei Huang , Ryosuke Furuta , Yoichi Sato

Multi-label multi-view action recognition aims to recognize multiple concurrent or sequential actions from untrimmed videos captured by multiple cameras. Existing work has focused on multi-view action recognition in a narrow area with…

Computer Vision and Pattern Recognition · Computer Science 2024-10-21 Trung Thanh Nguyen , Yasutomo Kawanishi , Takahiro Komamizu , Ichiro Ide

Weakly supervised temporal action localization aims at learning the instance-level action pattern from the video-level labels, where a significant challenge is action-context confusion. To overcome this challenge, one recent work builds an…

Computer Vision and Pattern Recognition · Computer Science 2021-11-25 Le Yang , Junwei Han , Tao Zhao , Tianwei Lin , Dingwen Zhang , Jianxin Chen

Multi-task representation learning (MTRL) is an approach that learns shared latent representations across related tasks, facilitating collaborative learning that improves the overall learning efficiency. This paper studies MTRL for…

Machine Learning · Computer Science 2026-04-07 Yaoze Guo , Shana Moothedath

Visual manipulation localization (VML) aims to identify tampered regions in images and videos, a task that has become increasingly challenging with the rise of advanced editing tools. Existing methods face two main issues: resolution…

Computer Vision and Pattern Recognition · Computer Science 2025-10-06 Wen Huang , Jiarui Yang , Tao Dai , Jiawei Li , Shaoxiong Zhan , Bin Wang , Shu-Tao Xia

Meta-reinforcement learning (meta-RL) algorithms allow for agents to learn new behaviors from small amounts of experience, mitigating the sample inefficiency problem in RL. However, while meta-RL agents can adapt quickly to new tasks at…

Machine Learning · Computer Science 2022-04-26 Michael Wan , Jian Peng , Tanmay Gangwani

Point-supervised Temporal Action Localization (PTAL) adopts a lightly frame-annotated paradigm (\textit{i.e.}, labeling only a single frame per action instance) to train a model to effectively locate action instances within untrimmed…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Yunchuan Ma , Laiyun Qing , Guorong Li , Yuqing Liu , Yuankai Qi , Qingming Huang

Continuous action spaces in reinforcement learning (RL) are commonly defined as multidimensional intervals. While intervals usually reflect the action boundaries for tasks well, they can be challenging for learning because the typically…

Machine Learning · Computer Science 2024-11-06 Roland Stolz , Hanna Krasowski , Jakob Thumm , Michael Eichelbeck , Philipp Gassert , Matthias Althoff