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We present an algorithm that learns a coarse 3D representation of objects from unposed multi-view 2D mask supervision, then uses it to generate detailed mask and image texture. In contrast to existing voxel-based methods for unposed object…

Computer Vision and Pattern Recognition · Computer Science 2021-06-25 Youssef A. Mejjati , Isa Milefchik , Aaron Gokaslan , Oliver Wang , Kwang In Kim , James Tompkin

Capturing and labeling real-world 3D data is laborious and time-consuming, which makes it costly to train strong 3D models. To address this issue, recent works present a simple method by generating randomized 3D scenes without simulation…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Lanxiao Li , Michael Heizmann

We present an approach for aggregating a sparse set of views of an object in order to compute a semi-implicit 3D representation in the form of a volumetric feature grid. Key to our approach is an object-centric canonical 3D coordinate…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Shubham Tulsiani , Or Litany , Charles R. Qi , He Wang , Leonidas J. Guibas

We propose 3D Congealing, a novel problem of 3D-aware alignment for 2D images capturing semantically similar objects. Given a collection of unlabeled Internet images, our goal is to associate the shared semantic parts from the inputs and…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Yunzhi Zhang , Zizhang Li , Amit Raj , Andreas Engelhardt , Yuanzhen Li , Tingbo Hou , Jiajun Wu , Varun Jampani

We consider the problem of learning object arrangements in a 3D scene. The key idea here is to learn how objects relate to human poses based on their affordances, ease of use and reachability. In contrast to modeling object-object…

Machine Learning · Computer Science 2012-07-03 Yun Jiang , Marcus Lim , Ashutosh Saxena

Movement is how people interact with and affect their environment. For realistic character animation, it is necessary to synthesize such interactions between virtual characters and their surroundings. Despite recent progress in character…

Graphics · Computer Science 2023-02-03 Mohamed Hassan , Yunrong Guo , Tingwu Wang , Michael Black , Sanja Fidler , Xue Bin Peng

Recent attempts for unsupervised landmark learning leverage synthesized image pairs that are similar in appearance but different in poses. These methods learn landmarks by encouraging the consistency between the original images and the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-03 Yinghao Xu , Ceyuan Yang , Ziwei Liu , Bo Dai , Bolei Zhou

3D point cloud understanding has made great progress in recent years. However, one major bottleneck is the scarcity of annotated real datasets, especially compared to 2D object detection tasks, since a large amount of labor is involved in…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Yongming Rao , Benlin Liu , Yi Wei , Jiwen Lu , Cho-Jui Hsieh , Jie Zhou

Recent conditional image synthesis approaches provide high-quality synthesized images. However, it is still challenging to accurately adjust image contents such as the positions and orientations of objects, and synthesized images often have…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Jaebong Jeong , Janghun Jo , Jingdong Wang , Sunghyun Cho , Jaesik Park

Harnessing human movements to command an Unmanned Aerial Vehicle (UAV) holds the potential to revolutionize their deployment, rendering it more intuitive and user-centric. In this research, we introduce a novel methodology adept at…

Robotics · Computer Science 2024-08-20 Akash Chaudhary , Tiago Nascimento , Martin Saska

We propose Human Pose Models that represent RGB and depth images of human poses independent of clothing textures, backgrounds, lighting conditions, body shapes and camera viewpoints. Learning such universal models requires training images…

Computer Vision and Pattern Recognition · Computer Science 2018-05-02 Jian Liu , Naveed Akhtar , Ajmal Mian

Existing methods for reconstructing objects and humans from a monocular image suffer from severe mesh collisions and performance limitations for interacting occluding objects. This paper introduces a method to obtain a globally consistent…

Computer Vision and Pattern Recognition · Computer Science 2024-08-16 Sarthak Batra , Partha P. Chakrabarti , Simon Hadfield , Armin Mustafa

Category-level 3D pose estimation is a fundamentally important problem in computer vision and robotics, e.g. for embodied agents or to train 3D generative models. However, so far methods that estimate the category-level object pose require…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Leonhard Sommer , Artur Jesslen , Eddy Ilg , Adam Kortylewski

Holistic 3D human-scene reconstruction is a crucial and emerging research area in robot perception. A key challenge in holistic 3D human-scene reconstruction is to generate a physically plausible 3D scene from a single monocular RGB image.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Sandika Biswas , Kejie Li , Biplab Banerjee , Subhasis Chaudhuri , Hamid Rezatofighi

This paper targets on learning-based novel view synthesis from a single or limited 2D images without the pose supervision. In the viewer-centered coordinates, we construct an end-to-end trainable conditional variational framework to…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Xiaofeng Liu , Tong Che , Yiqun Lu , Chao Yang , Site Li , Jane You

3D hand-object interaction data is scarce due to the hardware constraints in scaling up the data collection process. In this paper, we propose HOIDiffusion for generating realistic and diverse 3D hand-object interaction data. Our model is a…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Mengqi Zhang , Yang Fu , Zheng Ding , Sifei Liu , Zhuowen Tu , Xiaolong Wang

We propose a novel framework for fine-grained object recognition that learns to recover object variation in 3D space from a single image, trained on an image collection without using any ground-truth 3D annotation. We accomplish this by…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Sunghun Joung , Seungryong Kim , Minsu Kim , Ig-Jae Kim , Kwanghoon Sohn

This paper presents a novel approach to generating the 3D motion of a human interacting with a target object, with a focus on solving the challenge of synthesizing long-range and diverse motions, which could not be fulfilled by existing…

Computer Vision and Pattern Recognition · Computer Science 2023-10-04 Huaijin Pi , Sida Peng , Minghui Yang , Xiaowei Zhou , Hujun Bao

We propose a novel system for robot-to-human object handover that emulates human coworker interactions. Unlike most existing studies that focus primarily on grasping strategies and motion planning, our system focus on 1. inferring human…

Robotics · Computer Science 2025-03-06 Hanxin Zhang , Abdulqader Dhafer , Zhou Daniel Hao , Hongbiao Dong

This paper proposes a novel method for understanding daily hand-object manipulation by developing computer vision-based techniques. Specifically, we focus on recognizing hand grasp types, object attributes and manipulation actions within an…

Computer Vision and Pattern Recognition · Computer Science 2018-07-24 Minjie Cai , Kris Kitani , Yoichi Sato