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Related papers: Visual Imitation Learning with Patch Rewards

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Post-training of flow matching models-aligning the output distribution with a high-quality target-is mathematically equivalent to imitation learning. While Supervised Fine-Tuning mimics expert demonstrations effectively, it cannot correct…

Computer Vision and Pattern Recognition · Computer Science 2026-02-13 Yeyao Ma , Chen Li , Xiaosong Zhang , Han Hu , Weidi Xie

Patch-based methods and deep networks have been employed to tackle image inpainting problem, with their own strengths and weaknesses. Patch-based methods are capable of restoring a missing region with high-quality texture through searching…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Rui Xu , Minghao Guo , Jiaqi Wang , Xiaoxiao Li , Bolei Zhou , Chen Change Loy

The tracking-by-detection framework consists of two stages, i.e., drawing samples around the target object in the first stage and classifying each sample as the target object or as background in the second stage. The performance of existing…

Computer Vision and Pattern Recognition · Computer Science 2018-04-13 Yibing Song , Chao Ma , Xiaohe Wu , Lijun Gong , Linchao Bao , Wangmeng Zuo , Chunhua Shen , Rynson Lau , Ming-Hsuan Yang

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

Estimating a depth map from multiple views of a scene is a fundamental task in computer vision. As soon as more than two viewpoints are available, one faces the very basic question how to measure similarity across >2 image patches.…

Computer Vision and Pattern Recognition · Computer Science 2017-08-22 Wilfried Hartmann , Silvano Galliani , Michal Havlena , Luc Van Gool , Konrad Schindler

We study reinforcement learning (RL) problems in which agents observe the reward or transition realizations at their current state before deciding which action to take. Such observations are available in many applications, including…

Machine Learning · Computer Science 2024-10-22 Nadav Merlis

Reinforcement Learning has emerged as a strong alternative to solve optimization tasks efficiently. The use of these algorithms highly depends on the feedback signals provided by the environment in charge of informing about how good (or…

Machine Learning · Computer Science 2022-12-01 Alain Andres , Esther Villar-Rodriguez , Javier Del Ser

Adversarial Imitation Learning (AIL) methods, while effective in settings with limited expert demonstrations, are often considered unstable. These approaches typically decompose into two components: Density Ratio (DR) estimation…

Artificial Intelligence · Computer Science 2026-02-27 Shashank Reddy Chirra , Jayden Teoh , Praveen Paruchuri , Pradeep Varakantham

Inspired by the fact that human eyes continue to develop tracking ability in early and middle childhood, we propose to use tracking as a proxy task for a computer vision system to learn the visual representations. Modelled on the Catch game…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Guangting Wang , Yizhou Zhou , Chong Luo , Wenxuan Xie , Wenjun Zeng , Zhiwei Xiong

At present, the great achievements of convolutional neural network(CNN) in feature and metric learning have attracted many researchers. However, the vast majority of deep network architectures have been used to represent based on real…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Siwen Jiang , Wenxuan Wei , Shihao Guo , Hongguang Fu , Lei Huang

Some image restoration tasks like demosaicing require difficult training samples to learn effective models. Existing methods attempt to address this data training problem by manually collecting a new training dataset that contains adequate…

Computer Vision and Pattern Recognition · Computer Science 2020-11-25 Shuyang Sun , Liang Chen , Gregory Slabaugh , Philip Torr

Deep neural networks are often considered opaque systems, prompting the need for explainability methods to improve trust and accountability. Existing approaches typically attribute test-time predictions either to input features (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Aziz Bacha , Thomas George

For adversarial imitation learning algorithms (AILs), no true rewards are obtained from the environment for learning the strategy. However, the pseudo rewards based on the output of the discriminator are still required. Given the implicit…

Machine Learning · Computer Science 2021-04-15 Yawei Wang , Xiu Li

Existing visual tracking methods usually localize a target object with a bounding box, in which the performance of the foreground object trackers or detectors is often affected by the inclusion of background clutter. To handle this problem,…

Computer Vision and Pattern Recognition · Computer Science 2018-05-01 Chenglong Li , Liang Lin , Wangmeng Zuo , Jin Tang , Ming-Hsuan Yang

Visuomotor robot policies, increasingly pre-trained on large-scale datasets, promise significant advancements across robotics domains. However, aligning these policies with end-user preferences remains a challenge, particularly when the…

Robotics · Computer Science 2024-12-09 Ran Tian , Yilin Wu , Chenfeng Xu , Masayoshi Tomizuka , Jitendra Malik , Andrea Bajcsy

Deep neural networks have achieved promising results in automatic image captioning due to their effective representation learning and context-based content generation capabilities. As a prominent type of deep features used in many of the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Ali Abedi , Hossein Karshenas , Peyman Adibi

Deep Learning has become interestingly popular in computer vision, mostly attaining near or above human-level performance in various vision tasks. But recent work has also demonstrated that these deep neural networks are very vulnerable to…

Machine Learning · Computer Science 2020-12-09 Shashi Kant Gupta

In this paper we describe a new method for detecting and counting a repeating object in an image. While the method relies on a fairly sophisticated deformable part model, unlike existing techniques it estimates the model parameters in an…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Inbar Huberman , Raanan Fattal

Inverse Reinforcement Learning (IRL) aims to reconstruct the reward function from expert demonstrations to facilitate policy learning, and has demonstrated its remarkable success in imitation learning. To promote expert-like behavior,…

Machine Learning · Computer Science 2023-06-16 Shunyu Liu , Yunpeng Qing , Shuqi Xu , Hongyan Wu , Jiangtao Zhang , Jingyuan Cong , Tianhao Chen , Yunfu Liu , Mingli Song

In image-to-image translation, each patch in the output should reflect the content of the corresponding patch in the input, independent of domain. We propose a straightforward method for doing so -- maximizing mutual information between the…

Computer Vision and Pattern Recognition · Computer Science 2020-08-21 Taesung Park , Alexei A. Efros , Richard Zhang , Jun-Yan Zhu