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Our world is not static and humans naturally cause changes in their environments through interactions, e.g., opening doors or moving furniture. Modeling changes caused by humans is essential for building digital twins, e.g., in the context…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Vladimir Guzov , Julian Chibane , Riccardo Marin , Yannan He , Yunus Saracoglu , Torsten Sattler , Gerard Pons-Moll

We devise a graph attention network-based approach for learning a scene triangle mesh representation in order to estimate an image camera position in a dynamic environment. Previous approaches built a scene-dependent model that explicitly…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Mohamed Amine Ouali , Mohamed Bouguessa , Riadh Ksantini

Camera-to-robot calibration is crucial for vision-based robot control and requires effort to make it accurate. Recent advancements in markerless pose estimation methods have eliminated the need for time-consuming physical setups for…

Robotics · Computer Science 2024-09-17 Jingpei Lu , Zekai Liang , Tristin Xie , Florian Ritcher , Shan Lin , Sainan Liu , Michael C. Yip

Multi-person 3D human pose estimation from a single image is a challenging problem, especially for in-the-wild settings due to the lack of 3D annotated data. We propose HG-RCNN, a Mask-RCNN based network that also leverages the benefits of…

Computer Vision and Pattern Recognition · Computer Science 2019-09-25 Rishabh Dabral , Nitesh B Gundavarapu , Rahul Mitra , Abhishek Sharma , Ganesh Ramakrishnan , Arjun Jain

We have recently seen tremendous progress in the neural advances for photo-real human modeling and rendering. However, it's still challenging to integrate them into an existing mesh-based pipeline for downstream applications. In this paper,…

In this paper, we concern on the bottom-up paradigm in multi-person pose estimation (MPPE). Most previous bottom-up methods try to consider the relation of instances to identify different body parts during the post processing, while…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Ruoqi Yin , Jianqin Yin

The recovery of multi-person 3D poses from a single RGB image is a severely ill-conditioned problem due to the inherent 2D-3D depth ambiguity, inter-person occlusions, and body truncations. To tackle these issues, recent works have shown…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Nicolas Ugrinovic , Adria Ruiz , Antonio Agudo , Alberto Sanfeliu , Francesc Moreno-Noguer

Camera calibration is a necessity in various tasks including 3D reconstruction, hand-eye coordination for a robotic interaction, autonomous driving, etc. In this work we propose a novel method to predict extrinsic (baseline, pitch, and…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Talha Hanif Butt , Murtaza Taj

Camera calibration is a crucial step in robotics and computer vision. Accurate camera parameters are necessary to achieve robust applications. Nowadays, camera calibration process consists of adjusting a set of data to a pin-hole model,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-08 Carlos Ricolfe-Viala , Alicia Esparza

Normal integration reconstructs 3D surfaces from normal maps obtained e.g. by photometric stereo. These normal maps capture surface details down to the pixel level but require large computational resources for integration at high…

Computer Vision and Pattern Recognition · Computer Science 2025-09-08 Moritz Heep , Sven Behnke , Eduard Zell

Following the successful application of deep convolutional neural networks to 2d human pose estimation, the next logical problem to solve is 3d human pose estimation from monocular images. While previous solutions have shown some success,…

Computer Vision and Pattern Recognition · Computer Science 2021-03-04 Alec Diaz-Arias , Mitchell Messmore , Dmitriy Shin , Stephen Baek

Existing text-to-3D and image-to-3D models often struggle with complex scenes involving multiple objects and intricate interactions. Although some recent attempts have explored such compositional scenarios, they still require an extensive…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Yujia Hu , Songhua Liu , Xingyi Yang , Xinchao Wang

Embodied action planning is a core challenge in robotics, requiring models to generate precise actions from visual observations and language instructions. While video generation world models are promising, their reliance on pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Yangcheng Yu , Xin Jin , Yu Shang , Xin Zhang , Haisheng Su , Wei Wu , Yong Li

Structure from Motion (SfM) is a critical task in computer vision, aiming to recover the 3D scene structure and camera motion from a sequence of 2D images. The recent pose-only imaging geometry decouples 3D coordinates from camera poses and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Xinrui Li , Qi Cai , Yuanxin Wu

Multi-camera systems offer rich observation capabilities for visual navigation and 3D scene reconstruction; however, the resulting feature redundancy often compromises computational efficiency. This challenge is particularly pronounced…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Shunkun Liang , Banglei Guan , Bin Li , Qifeng Yu , Yang Shang

Human pose and shape estimation (HPS) has attracted increasing attention in recent years. While most existing studies focus on HPS from 2D images or videos with inherent depth ambiguity, there are surging need to investigate HPS from 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Zhongang Cai , Liang Pan , Chen Wei , Wanqi Yin , Fangzhou Hong , Mingyuan Zhang , Chen Change Loy , Lei Yang , Ziwei Liu

We present a bundle-adjustment-based algorithm for recovering accurate 3D human pose and meshes from monocular videos. Unlike previous algorithms which operate on single frames, we show that reconstructing a person over an entire sequence…

Computer Vision and Pattern Recognition · Computer Science 2019-05-13 Anurag Arnab , Carl Doersch , Andrew Zisserman

This paper focuses on a new problem of estimating human pose and shape from single polarization images. Polarization camera is known to be able to capture the polarization of reflected lights that preserves rich geometric cues of an object…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Shihao Zou , Xinxin Zuo , Sen Wang , Yiming Qian , Chuan Guo , Li Cheng

Information transfer between triangle meshes is of great importance in computer graphics and geometry processing. To facilitate this process, a smooth and accurate map is typically required between the two meshes. While such maps can…

Graphics · Computer Science 2018-01-09 Danielle Ezuz , Justin Solomon , Mirela Ben-Chen

3D meshes are a fundamental representation widely used in computer science and engineering. In robotics, they are particularly valuable because they capture objects in a form that aligns directly with how robots interact with the physical…

Robotics · Computer Science 2026-01-01 Qian Wang , Omar Abdellall , Tony Gao , Xiatao Sun , Daniel Rakita