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Person re-identification (re-ID) concerns the matching of subject images across different camera views in a multi camera surveillance system. One of the major challenges in person re-ID is pose variations across the camera network, which…

计算机视觉与模式识别 · 计算机科学 2021-04-29 Amena Khatun , Simon Denman , Sridha Sridharan , Clinton Fookes

The ability to learn new concepts with small amounts of data is a critical aspect of intelligence that has proven challenging for deep learning methods. Meta-learning has emerged as a promising technique for leveraging data from previous…

机器学习 · 计算机科学 2020-04-29 Mingzhang Yin , George Tucker , Mingyuan Zhou , Sergey Levine , Chelsea Finn

Multimodal few-shot learning is challenging due to the large domain gap between vision and language modalities. Existing methods are trying to communicate visual concepts as prompts to frozen language models, but rely on hand-engineered…

计算机视觉与模式识别 · 计算机科学 2023-03-01 Ivona Najdenkoska , Xiantong Zhen , Marcel Worring

Text classification tends to be difficult when data are deficient or when it is required to adapt to unseen classes. In such challenging scenarios, recent studies have often used meta-learning to simulate the few-shot task, thus negating…

信息检索 · 计算机科学 2019-11-22 Shumin Deng , Ningyu Zhang , Zhanlin Sun , Jiaoyan Chen , Huajun Chen

Utilizing task-invariant prior knowledge extracted from related tasks, meta-learning is a principled framework that empowers learning a new task especially when data records are limited. A fundamental challenge in meta-learning is how to…

机器学习 · 计算机科学 2025-09-23 Yilang Zhang , Bingcong Li , Georgios B. Giannakis

We address the task of generating temporally consistent and physically plausible images of actions and object state transformations. Given an input image and a text prompt describing the targeted transformation, our generated images…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Tomáš Souček , Dima Damen , Michael Wray , Ivan Laptev , Josef Sivic

Learning models of artificial intelligence can nowadays perform very well on a large variety of tasks. However, in practice different task environments are best handled by different learning models, rather than a single, universal,…

人工智能 · 计算机科学 2016-05-31 Adi Makmal , Alexey A. Melnikov , Vedran Dunjko , Hans J. Briegel

In recent years, the role of image generative models in facial reenactment has been steadily increasing. Such models are usually subject-agnostic and trained on domain-wide datasets. The appearance of the reenacted individual is learned…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Ariel Elazary , Yotam Nitzan , Daniel Cohen-Or

We address the problem of learning a single model for person re-identification, attribute classification, body part segmentation, and pose estimation. With predictions for these tasks we gain a more holistic understanding of persons, which…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Kilian Pfeiffer , Alexander Hermans , István Sárándi , Mark Weber , Bastian Leibe

This study explores the potential of open-source video conditional generation models as encoders for downstream tasks, focusing on instance segmentation using the BAIR Robot Pushing Dataset. The researchers propose using video prediction…

计算机视觉与模式识别 · 计算机科学 2024-05-28 James Maier , Nishanth Mohankumar

We introduce the Action Transformer model for recognizing and localizing human actions in video clips. We repurpose a Transformer-style architecture to aggregate features from the spatiotemporal context around the person whose actions we…

计算机视觉与模式识别 · 计算机科学 2019-05-20 Rohit Girdhar , João Carreira , Carl Doersch , Andrew Zisserman

Large-scale video generation models have the inherent ability to realistically model natural scenes. In this paper, we demonstrate that through a careful design of a generative video propagation framework, various video tasks can be…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Shaoteng Liu , Tianyu Wang , Jui-Hsien Wang , Qing Liu , Zhifei Zhang , Joon-Young Lee , Yijun Li , Bei Yu , Zhe Lin , Soo Ye Kim , Jiaya Jia

Facial video re-targeting is a challenging problem aiming to modify the facial attributes of a target subject in a seamless manner by a driving monocular sequence. We leverage the 3D geometry of faces and Generative Adversarial Networks…

计算机视觉与模式识别 · 计算机科学 2021-09-29 Michail Christos Doukas , Mohammad Rami Koujan , Viktoriia Sharmanska , Anastasios Roussos

Video generative models demonstrate great promise in robotics by serving as visual planners or as policy supervisors. When pretrained on internet-scale data, such video models intimately understand alignment with natural language, and can…

机器学习 · 计算机科学 2025-04-23 Calvin Luo , Zilai Zeng , Yilun Du , Chen Sun

Recent advances in diffusion models have brought remarkable progress in image and video editing, yet some tasks remain underexplored. In this paper, we introduce a new task, Object Retexture, which transfers local textures from a reference…

计算机视觉与模式识别 · 计算机科学 2025-12-05 Youze Huang , Penghui Ruan , Bojia Zi , Xianbiao Qi , Jianan Wang , Rong Xiao

Video Generation is a relatively new and yet popular subject in machine learning due to its vast variety of potential applications and its numerous challenges. Current methods in Video Generation provide the user with little or no control…

计算机视觉与模式识别 · 计算机科学 2021-11-22 Bahman Rouhani , Mohammad Rahmati

One compelling application of artificial intelligence is to generate a video of a target person performing arbitrary desired motion (from a source person). While the state-of-the-art methods are able to synthesize a video demonstrating…

计算机视觉与模式识别 · 计算机科学 2022-12-26 Zhenguang Liu , Sifan Wu , Chejian Xu , Xiang Wang , Lei Zhu , Shuang Wu , Fuli Feng

Human re-rendering from a single image is a starkly under-constrained problem, and state-of-the-art algorithms often exhibit undesired artefacts, such as over-smoothing, unrealistic distortions of the body parts and garments, or implausible…

计算机视觉与模式识别 · 计算机科学 2021-01-12 Kripasindhu Sarkar , Dushyant Mehta , Weipeng Xu , Vladislav Golyanik , Christian Theobalt

Hand motion capture data is now relatively easy to obtain, even for complicated grasps; however this data is of limited use without the ability to retarget it onto the hands of a specific character or robot. The target hand may differ…

图形学 · 计算机科学 2024-02-08 Arjun S. Lakshmipathy , Jessica K. Hodgins , Nancy S. Pollard

We propose a recurrent neural network architecture with a Forward Kinematics layer and cycle consistency based adversarial training objective for unsupervised motion retargetting. Our network captures the high-level properties of an input…

计算机视觉与模式识别 · 计算机科学 2018-04-17 Ruben Villegas , Jimei Yang , Duygu Ceylan , Honglak Lee