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Estimating 3D hand and object pose from a single image is an extremely challenging problem: hands and objects are often self-occluded during interactions, and the 3D annotations are scarce as even humans cannot directly label the…

计算机视觉与模式识别 · 计算机科学 2021-06-10 Shaowei Liu , Hanwen Jiang , Jiarui Xu , Sifei Liu , Xiaolong Wang

Existing methods have achieved remarkable performance in image dehazing, particularly on synthetic datasets. However, they often struggle with real-world hazy images due to domain shift, limiting their practical applicability. This paper…

计算机视觉与模式识别 · 计算机科学 2025-01-13 Ruiyi Wang , Wenhao Li , Xiaohong Liu , Chunyi Li , Zicheng Zhang , Xiongkuo Min , Guangtao Zhai

Hand segmentation is a crucial task in first-person vision. Since first-person images exhibit strong bias in appearance among different environments, adapting a pre-trained segmentation model to a new domain is required in hand…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Takehiko Ohkawa , Takuma Yagi , Atsushi Hashimoto , Yoshitaka Ushiku , Yoichi Sato

We propose a unified formulation for the problem of 3D human pose estimation from a single raw RGB image that reasons jointly about 2D joint estimation and 3D pose reconstruction to improve both tasks. We take an integrated approach that…

计算机视觉与模式识别 · 计算机科学 2017-11-27 Denis Tome , Chris Russell , Lourdes Agapito

Hand pose estimation from a single image has many applications. However, approaches to full 3D body pose estimation are typically trained on day-to-day activities or actions. As such, detailed hand-to-hand interactions are poorly…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Maksym Ivashechkin , Oscar Mendez , Richard Bowden

Articulation-centric 2D/3D pose supervision forms the core training objective in most existing 3D human pose estimation techniques. Except for synthetic source environments, acquiring such rich supervision for each real target domain at…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Mugalodi Rakesh , Jogendra Nath Kundu , Varun Jampani , R. Venkatesh Babu

The remarkable generalization performance of contrastive vision-language models like CLIP is often attributed to the diversity of their training distributions. However, key questions remain unanswered: Can CLIP generalize to an entirely…

机器学习 · 计算机科学 2025-09-15 Elias Kempf , Simon Schrodi , Max Argus , Thomas Brox

Pretrained visual-language models have demonstrated impressive zero-shot abilities in image captioning, when accompanied by hand-crafted prompts. Meanwhile, hand-crafted prompts utilize human prior knowledge to guide the model. However, due…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Hongchen Wei , Zhenzhong Chen

We propose an entirely data-driven approach to estimating the 3D pose of a hand given a depth image. We show that we can correct the mistakes made by a Convolutional Neural Network trained to predict an estimate of the 3D pose by using a…

计算机视觉与模式识别 · 计算机科学 2016-10-03 Markus Oberweger , Paul Wohlhart , Vincent Lepetit

This paper addresses the problem of cross-dataset generalization of 3D human pose estimation models. Testing a pre-trained 3D pose estimator on a new dataset results in a major performance drop. Previous methods have mainly addressed this…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Mohsen Gholami , Bastian Wandt , Helge Rhodin , Rabab Ward , Z. Jane Wang

Although deep learning models have shown impressive performance on supervised learning tasks, they often struggle to generalize well when the training (source) and test (target) domains differ. Unsupervised domain adaptation (DA) has…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Mainak Singha , Harsh Pal , Ankit Jha , Biplab Banerjee

Contrastive Language-Image Pre-training (CLIP), a simple yet effective pre-training paradigm, successfully introduces text supervision to vision models. It has shown promising results across various tasks due to its generalizability and…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Zihao Zhao , Yuxiao Liu , Han Wu , Mei Wang , Yonghao Li , Sheng Wang , Lin Teng , Disheng Liu , Zhiming Cui , Qian Wang , Dinggang Shen

The Visual Language Model, known for its robust cross-modal capabilities, has been extensively applied in various computer vision tasks. In this paper, we explore the use of CLIP (Contrastive Language-Image Pretraining), a vision-language…

计算机视觉与模式识别 · 计算机科学 2025-02-12 Huazhong Zhao , Lei Qi , Xin Geng

Large-scale Pre-Training Vision-Language Model such as CLIP has demonstrated outstanding performance in zero-shot classification, e.g. achieving 76.3% top-1 accuracy on ImageNet without seeing any example, which leads to potential benefits…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Xuefeng Hu , Ke Zhang , Lu Xia , Albert Chen , Jiajia Luo , Yuyin Sun , Ken Wang , Nan Qiao , Xiao Zeng , Min Sun , Cheng-Hao Kuo , Ram Nevatia

Learning generalizable visual representations across different embodied environments is essential for effective robotic manipulation in real-world scenarios. However, the limited scale and diversity of robot demonstration data pose a…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Jiaming Zhou , Teli Ma , Kun-Yu Lin , Zifan Wang , Ronghe Qiu , Junwei Liang

This paper addresses the 3D point cloud reconstruction and 3D pose estimation of the human hand from a single RGB image. To that end, we present a novel pipeline for local and global point cloud reconstruction using a 3D hand template while…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Ziwei Yu , Linlin Yang , Shicheng Chen , Angela Yao

Image composition is a fundamental operation in image editing field. However, unharmonious foreground and background downgrade the quality of composite image. Image harmonization, which adjusts the foreground to improve the consistency, is…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Wenyan Cong , Li Niu , Jianfu Zhang , Jing Liang , Liqing Zhang

Markerless tracking of hands and fingers is a promising enabler for human-computer interaction. However, adoption has been limited because of tracking inaccuracies, incomplete coverage of motions, low framerate, complex camera setups, and…

计算机视觉与模式识别 · 计算机科学 2016-02-15 Srinath Sridhar , Franziska Mueller , Antti Oulasvirta , Christian Theobalt

Self-supervised and language-supervised image models contain rich knowledge of the world that is important for generalization. Many robotic tasks, however, require a detailed understanding of 3D geometry, which is often lacking in 2D image…

计算机视觉与模式识别 · 计算机科学 2024-01-02 William Shen , Ge Yang , Alan Yu , Jansen Wong , Leslie Pack Kaelbling , Phillip Isola

Tremendous amounts of expensive annotated data are a vital ingredient for state-of-the-art 3d hand pose estimation. Therefore, synthetic data has been popularized as annotations are automatically available. However, models trained only with…

计算机视觉与模式识别 · 计算机科学 2018-07-17 Masoud Abdi , Ehsan Abbasnejad , Chee Peng Lim , Saeid Nahavandi