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Unsupervised cross-domain image retrieval (UCIR) aims to retrieve images sharing the same category across diverse domains without relying on labeled data. Prior approaches have typically decomposed the UCIR problem into two distinct tasks:…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Bin Li , Ye Shi , Qian Yu , Jingya Wang

We present a unified perspective on tackling various human-centric video tasks by learning human motion representations from large-scale and heterogeneous data resources. Specifically, we propose a pretraining stage in which a motion…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Wentao Zhu , Xiaoxuan Ma , Zhaoyang Liu , Libin Liu , Wayne Wu , Yizhou Wang

Unsupervised face animation aims to generate a human face video based on the appearance of a source image, mimicking the motion from a driving video. Existing methods typically adopted a prior-based motion model (e.g., the local affine…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Jiale Tao , Shuhang Gu , Wen Li , Lixin Duan

Transferring human motion and appearance between videos of human actors remains one of the key challenges in Computer Vision. Despite the advances from recent image-to-image translation approaches, there are several transferring contexts…

Computer Vision and Pattern Recognition · Computer Science 2021-04-29 Thiago L. Gomes , Renato Martins , João Ferreira , Rafael Azevedo , Guilherme Torres , Erickson R. Nascimento

In this paper, we propose a novel unsupervised domain adaptation algorithm based on deep learning for visual object recognition. Specifically, we design a new model called Deep Reconstruction-Classification Network (DRCN), which jointly…

Computer Vision and Pattern Recognition · Computer Science 2016-08-03 Muhammad Ghifary , W. Bastiaan Kleijn , Mengjie Zhang , David Balduzzi , Wen Li

This paper introduces a novel deep-learning approach for human-to-robot motion retargeting, enabling robots to mimic human poses accurately. Contrary to prior deep-learning-based works, our method does not require paired human-to-robot…

Robotics · Computer Science 2024-04-09 Yashuai Yan , Esteve Valls Mascaro , Dongheui Lee

Unsupervised video-based object-centric learning is a promising avenue to learn structured representations from large, unlabeled video collections, but previous approaches have only managed to scale to real-world datasets in restricted…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Andrii Zadaianchuk , Maximilian Seitzer , Georg Martius

Unsupervised multi-object segmentation has shown impressive results on images by utilizing powerful semantics learned from self-supervised pretraining. An additional modality such as depth or motion is often used to facilitate the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Görkay Aydemir , Weidi Xie , Fatma Güney

Human pose estimation in videos has long been a compelling yet challenging task within the realm of computer vision. Nevertheless, this task remains difficult because of the complex video scenes, such as video defocus and self-occlusion.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Sifan Wu , Haipeng Chen , Yifang Yin , Sihao Hu , Runyang Feng , Yingying Jiao , Ziqi Yang , Zhenguang Liu

Supervised (pre-)training currently yields state-of-the-art performance for representation learning for visual recognition, yet it comes at the cost of (1) intensive manual annotations and (2) an inherent restriction in the scope of data…

Computer Vision and Pattern Recognition · Computer Science 2016-12-05 Ruohan Gao , Dinesh Jayaraman , Kristen Grauman

This paper presents a novel yet intuitive approach to unsupervised feature learning. Inspired by the human visual system, we explore whether low-level motion-based grouping cues can be used to learn an effective visual representation.…

Computer Vision and Pattern Recognition · Computer Science 2017-04-13 Deepak Pathak , Ross Girshick , Piotr Dollár , Trevor Darrell , Bharath Hariharan

In this paper, we propose a recurrent framework for Joint Unsupervised LEarning (JULE) of deep representations and image clusters. In our framework, successive operations in a clustering algorithm are expressed as steps in a recurrent…

Computer Vision and Pattern Recognition · Computer Science 2016-06-21 Jianwei Yang , Devi Parikh , Dhruv Batra

We present Multimodal OCR (MOCR), a document parsing paradigm that jointly parses text and graphics into unified textual representations. Unlike conventional OCR systems that focus on text recognition and leave graphical regions as cropped…

Motion retargeting holds a premise of offering a larger set of motion data for characters and robots with different morphologies. Many prior works have approached this problem via either handcrafted constraints or paired motion datasets,…

Graphics · Computer Science 2025-10-21 Wontaek Kim , Tianyu Li , Sehoon Ha

Understanding the structure of complex activities in untrimmed videos is a challenging task in the area of action recognition. One problem here is that this task usually requires a large amount of hand-annotated minute- or even hour-long…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Rosaura G. VidalMata , Walter J. Scheirer , Anna Kukleva , David Cox , Hilde Kuehne

Semantic aware reconstruction is more advantageous than geometric-only reconstruction for future robotic and AR/VR applications because it represents not only where things are, but also what things are. Object-centric mapping is a task to…

Computer Vision and Pattern Recognition · Computer Science 2021-02-16 Kejie Li , Hamid Rezatofighi , Ian Reid

We propose a self-supervised approach for learning representations and robotic behaviors entirely from unlabeled videos recorded from multiple viewpoints, and study how this representation can be used in two robotic imitation settings:…

Computer Vision and Pattern Recognition · Computer Science 2018-03-21 Pierre Sermanet , Corey Lynch , Yevgen Chebotar , Jasmine Hsu , Eric Jang , Stefan Schaal , Sergey Levine

Whenever we are addressing a specific object or refer to a certain spatial location, we are using referential or deictic gestures usually accompanied by some verbal description. Especially pointing gestures are necessary to dissolve…

Computer Vision and Pattern Recognition · Computer Science 2019-12-16 Doreen Jirak , David Biertimpel , Matthias Kerzel , Stefan Wermter

In this study, we focus on the problem of 3D human mesh recovery from a single image under obscured conditions. Most state-of-the-art methods aim to improve 2D alignment technologies, such as spatial averaging and 2D joint sampling.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Jiahao Li , Zongxin Yang , Xiaohan Wang , Jianxin Ma , Chang Zhou , Yi Yang

Automated seizure detection from long-term clinical videos can substantially reduce manual review time and enable real-time monitoring. However, existing video-based methods often struggle to generalize to unseen subjects due to background…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Omar Zamzam , Takfarinas Medani , Chinmay Chinara , Richard Leahy