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Heterogeneous Face Recognition (HFR) aims to expand the applicability of Face Recognition (FR) systems to challenging scenarios, enabling the matching of face images across different domains, such as matching thermal images to visible…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Anjith George , Sebastien Marcel

Imitation learning (IL) enables agents to acquire skills directly from expert demonstrations, providing a compelling alternative to reinforcement learning. However, prior online IL approaches struggle with complex tasks characterized by…

Machine Learning · Computer Science 2025-05-13 Shangzhe Li , Zhiao Huang , Hao Su

Unsupervised learning of high-dimensional data is challenging due to irrelevant or noisy features obscuring underlying structures. It's common that only a few features, called the influential features, meaningfully define the clusters.…

Machine Learning · Computer Science 2026-03-26 Chen Ma , Wanjie Wang , Shuhao Fan

Clustering-based approach has proved effective in dealing with unsupervised domain adaptive person re-identification (ReID) tasks. However, existing works along this approach still suffer from noisy pseudo labels and the unreliable…

Computer Vision and Pattern Recognition · Computer Science 2022-01-26 Chunren Tang , Dingyu Xue , Dongyue Chen

Training a policy in a source domain for deployment in the target domain under a dynamics shift can be challenging, often resulting in performance degradation. Previous work tackles this challenge by training on the source domain with…

Machine Learning · Computer Science 2024-11-18 Yihong Guo , Yixuan Wang , Yuanyuan Shi , Pan Xu , Anqi Liu

Adversarial Imitation Learning (AIL) is a class of algorithms in Reinforcement learning (RL), which tries to imitate an expert without taking any reward from the environment and does not provide expert behavior directly to the policy…

Machine Learning · Computer Science 2020-05-05 Samin Yeasar Arnob

Imitation Learning (IL) is an effective framework to learn visuomotor skills from offline demonstration data. However, IL methods often fail to generalize to new scene configurations not covered by training data. On the other hand, humans…

Robotics · Computer Science 2021-08-18 Chen Wang , Rui Wang , Ajay Mandlekar , Li Fei-Fei , Silvio Savarese , Danfei Xu

As deep vision models grow increasingly complex to achieve higher performance, deployment efficiency has become a critical concern. Knowledge distillation (KD) mitigates this issue by transferring knowledge from large teacher models to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Chen Liu , Qizhen Lan , Zhicheng Ding , Xinyu Chu , Qing Tian

Domain generalization aims to learn a generalization model that can perform well on unseen test domains by only training on limited source domains. However, existing domain generalization approaches often bring in prediction-irrelevant…

Computer Vision and Pattern Recognition · Computer Science 2023-08-02 Chia-Yuan Chang , Yu-Neng Chuang , Guanchu Wang , Mengnan Du , Na Zou

Imitation learning (IL) has proven to be an effective method for learning good policies from expert demonstrations. Adversarial imitation learning (AIL), a subset of IL methods, is particularly promising, but its theoretical foundation in…

Machine Learning · Computer Science 2023-06-14 Tian Xu , Ziniu Li , Yang Yu , Zhi-Quan Luo

Imitation learning (IL) from a state-based reinforcement learning (RL) policy is a common approach to overcome the curse of dimensionality in complex and high-dimensional observation spaces prevalent in robotics. This paper addresses the…

Machine Learning · Computer Science 2026-05-28 Meraj Mammadov , Pedro Zuidberg Dos Martires , Johannes Andreas Stork

In this paper, we propose an instance similarity learning (ISL) method for unsupervised feature representation. Conventional methods assign close instance pairs in the feature space with high similarity, which usually leads to wrong…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Ziwei Wang , Yunsong Wang , Ziyi Wu , Jiwen Lu , Jie Zhou

We study the problem of semi-supervised anomaly detection with domain adaptation. Given a set of normal data from a source domain and a limited amount of normal examples from a target domain, the goal is to have a well-performing anomaly…

Machine Learning · Computer Science 2020-06-09 Ziyi Yang , Iman Soltani Bozchalooi , Eric Darve

Although a significant progress has been witnessed in supervised person re-identification (re-id), it remains challenging to generalize re-id models to new domains due to the huge domain gaps. Recently, there has been a growing interest in…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Yang Zou , Xiaodong Yang , Zhiding Yu , B. V. K. Vijaya Kumar , Jan Kautz

Most video person re-identification (re-ID) methods are mainly based on supervised learning, which requires cross-camera ID labeling. Since the cost of labeling increases dramatically as the number of cameras increases, it is difficult to…

Computer Vision and Pattern Recognition · Computer Science 2020-05-14 Youngeun Kim , Seokeon Choi , Taekyung Kim , Sumin Lee , Changick Kim

In deep learning-based object detection on remote sensing domain, nuisance factors, which affect observed variables while not affecting predictor variables, often matters because they cause domain changes. Previously, nuisance disentangled…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Chaehyeon Lee , Junghoon Seo , Heechul Jung

Feature descriptor matching is a critical step is many computer vision applications such as image stitching, image retrieval and visual localization. However, it is often affected by many practical factors which will degrade its…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Po-Heng Chen , Zhao-Xu Luo , Zu-Kuan Huang , Chun Yang , Kuan-Wen Chen

Imitation learning is a central problem in reinforcement learning where the goal is to learn a policy that mimics the expert's behavior. In practice, it is often challenging to learn the expert policy from a limited number of demonstrations…

Machine Learning · Computer Science 2025-06-26 Heyang Zhao , Xingrui Yu , David M. Bossens , Ivor W. Tsang , Quanquan Gu

In real-world visual recognition problems, the assumption that the training data (source domain) and test data (target domain) are sampled from the same distribution is often violated. This is known as the domain adaptation problem. In this…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Hongyu Xu , Jingjing Zheng , Azadeh Alavi , Rama Chellappa

Learning complex policies with Reinforcement Learning (RL) is often hindered by instability and slow convergence, a problem exacerbated by the difficulty of reward engineering. Imitation Learning (IL) from expert demonstrations bypasses…

Machine Learning · Computer Science 2026-05-19 Sayambhu Sen , Shalabh Bhatnagar