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Domain Adaptation is an actively researched problem in Computer Vision. In this work, we propose an approach that leverages unsupervised data to bring the source and target distributions closer in a learned joint feature space. We…

计算机视觉与模式识别 · 计算机科学 2018-04-16 Swami Sankaranarayanan , Yogesh Balaji , Carlos D. Castillo , Rama Chellappa

One of the biggest issues facing the use of machine learning in medical imaging is the lack of availability of large, labelled datasets. The annotation of medical images is not only expensive and time consuming but also highly dependent on…

Human actions are based on the mental perception of the environment. Even when all the aspects of an environment are not visible, humans have an internal mental model that can generalize the partially visible scenes to fully constructed and…

计算机视觉与模式识别 · 计算机科学 2024-10-17 Usama Younus , Vinoj Jayasundara , Shivam Mishra , Suleyman Aslan

The Generative Adversarial Networks (GANs) have demonstrated impressive performance for data synthesis, and are now used in a wide range of computer vision tasks. In spite of this success, they gained a reputation for being difficult to…

机器学习 · 统计学 2017-12-07 Tatjana Chavdarova , François Fleuret

Human demonstrations can provide trustful samples to train reinforcement learning algorithms for robots to learn complex behaviors in real-world environments. However, obtaining sufficient demonstrations may be impractical because many…

机器人学 · 计算机科学 2020-10-16 Huixin Zhan , Feng Tao , Yongcan Cao

In this paper we investigate the feasibility of using synthetic data to augment face datasets. In particular, we propose a novel generative adversarial network (GAN) that can disentangle identity-related attributes from non-identity-related…

计算机视觉与模式识别 · 计算机科学 2018-11-02 Daniel Sáez Trigueros , Li Meng , Margaret Hartnett

We focus on the problem of novel-view human action synthesis. Given an action video, the goal is to generate the same action from an unseen viewpoint. Naturally, novel view video synthesis is more challenging than image synthesis. It…

计算机视觉与模式识别 · 计算机科学 2021-12-10 Xianhang Li , Junhao Zhang , Kunchang Li , Shruti Vyas , Yogesh S Rawat

Despite recent advances in video action recognition achieving strong performance on existing benchmarks, these models often lack robustness when faced with natural distribution shifts between training and test data. We propose two novel…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Kiyoon Kim , Shreyank N Gowda , Panagiotis Eustratiadis , Antreas Antoniou , Robert B Fisher

This article proposes a method for mathematical modeling of human movements related to patient exercise episodes performed during physical therapy sessions by using artificial neural networks. The generative adversarial network structure is…

机器学习 · 计算机科学 2018-12-18 L. Li , A. Vakanski

Generative Adversarial Networks (GAN) have emerged as a formidable AI tool to generate realistic outputs based on training datasets. However, the challenge of exerting control over the generation process of GANs remains a significant…

Detecting abnormal activities in real-world surveillance videos is an important yet challenging task as the prior knowledge about video anomalies is usually limited or unavailable. Despite that many approaches have been developed to resolve…

计算机视觉与模式识别 · 计算机科学 2021-07-30 Xinyang Feng , Dongjin Song , Yuncong Chen , Zhengzhang Chen , Jingchao Ni , Haifeng Chen

In this paper we address the problem of continuous fine-grained action segmentation, in which multiple actions are present in an unsegmented video stream. The challenge for this task lies in the need to represent the hierarchical nature of…

计算机视觉与模式识别 · 计算机科学 2019-09-23 Harshala Gammulle , Simon Denman , Sridha Sridharan , Clinton Fookes

Understanding human motion behavior is critical for autonomous moving platforms (like self-driving cars and social robots) if they are to navigate human-centric environments. This is challenging because human motion is inherently…

计算机视觉与模式识别 · 计算机科学 2018-03-30 Agrim Gupta , Justin Johnson , Li Fei-Fei , Silvio Savarese , Alexandre Alahi

With the rapid advancement of ubiquitous computing technology, human activity analysis based on time series data from a diverse range of sensors enables the delivery of more intelligent services. Despite the importance of exploring new…

机器学习 · 计算机科学 2025-03-21 Hyunju Kim , Dongman Lee

Understanding human activity is a crucial aspect of developing intelligent robots, particularly in the domain of human-robot collaboration. Nevertheless, existing systems encounter challenges such as over-segmentation, attributed to errors…

机器人学 · 计算机科学 2024-10-11 Hao Xing , Darius Burschka

In agricultural image analysis, optimal model performance is keenly pursued for better fulfilling visual recognition tasks (e.g., image classification, segmentation, object detection and localization), in the presence of challenges with…

计算机视觉与模式识别 · 计算机科学 2022-04-14 Ebenezer Olaniyi , Dong Chen , Yuzhen Lu , Yanbo Huang

In many applications, including surveillance, entertainment, and restoration, there is a need to increase both the spatial resolution and the frame rate of a video sequence. The aim is to improve visual quality, refine details, and create a…

图像与视频处理 · 电气工程与系统科学 2024-07-25 Congrui Fu , Hui Yuan , Liquan Shen , Raouf Hamzaoui , Hao Zhang

This paper proposes a new unsupervised domain adaptation approach called Collaborative and Adversarial Network (CAN), which uses the domain-collaborative and domain-adversarial learning strategy for training the neural network. The…

计算机视觉与模式识别 · 计算机科学 2025-06-25 Weichen Zhang , Dong Xu , Wanli Ouyang , Wen Li

Due to the emergence of Generative Adversarial Networks, video synthesis has witnessed exceptional breakthroughs. However, existing methods lack a proper representation to explicitly control the dynamics in videos. Human pose, on the other…

计算机视觉与模式识别 · 计算机科学 2018-07-31 Ceyuan Yang , Zhe Wang , Xinge Zhu , Chen Huang , Jianping Shi , Dahua Lin

Since its invention, Generative adversarial networks (GANs) have shown outstanding results in many applications. Generative Adversarial Networks are powerful yet, resource-hungry deep-learning models. Their main difference from ordinary…

机器学习 · 计算机科学 2021-08-17 Dina Tantawy , Mohamed Zahran , Amr Wassal