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3-D pose estimation of instruments is a crucial step towards automatic scene understanding in robotic minimally invasive surgery. Although robotic systems can potentially directly provide joint values, this information is not commonly…

Robotics · Computer Science 2021-03-02 Luca Sestini , Benoit Rosa , Elena De Momi , Giancarlo Ferrigno , Nicolas Padoy

Articulated objects, as prevalent entities in human life, their 3D representations play crucial roles across various applications. However, achieving both high-fidelity textured surface reconstruction and dynamic generation for articulated…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Di Wu , Liu Liu , Zhou Linli , Anran Huang , Liangtu Song , Qiaojun Yu , Qi Wu , Cewu Lu

3D articulated objects are inherently challenging for manipulation due to the varied geometries and intricate functionalities associated with articulated objects.Point-level affordance, which predicts the per-point actionable score and thus…

Robotics · Computer Science 2024-03-08 Suhan Ling , Yian Wang , Shiguang Wu , Yuzheng Zhuang , Tianyi Xu , Yu Li , Chang Liu , Hao Dong

3D object detection is fundamental for spatial understanding. Real-world environments demand models capable of recognizing diverse, previously unseen objects, which remains a major limitation of closed-set methods. Existing open-vocabulary…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Andrey Lemeshko , Bulat Gabdullin , Nikita Drozdov , Anton Konushin , Danila Rukhovich , Maksim Kolodiazhnyi

High annotation costs and limited labels for dense 3D medical imaging tasks have recently motivated an assortment of 3D self-supervised pretraining methods that improve transfer learning performance. However, these methods commonly lack…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Yejia Zhang , Pengfei Gu , Nishchal Sapkota , Hao Zheng , Peixian Liang , Danny Z. Chen

Robots operating in real-world environments frequently encounter unknown objects with complex structures and articulated components, such as doors, drawers, cabinets, and tools. The ability to perceive, track, and manipulate these objects…

Robotics · Computer Science 2025-11-11 Prajval Kumar Murali , Mohsen Kaboli

In this work, we present an effective multi-view approach to closed-loop end-to-end learning of precise manipulation tasks that are 3D in nature. Our method learns to accomplish these tasks using multiple statically placed but uncalibrated…

Robotics · Computer Science 2021-04-02 Iretiayo Akinola , Jacob Varley , Dmitry Kalashnikov

Articulated object pose estimation is a core task in embodied AI. Existing methods typically regress poses in a continuous space, but often struggle with 1) navigating a large, complex search space and 2) failing to incorporate intrinsic…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Li Zhang , Mingyu Mei , Ailing Wang , Xianhui Meng , Yan Zhong , Xinyuan Song , Liu Liu , Rujing Wang , Zaixing He , Cewu Lu

Most recent 3D instance segmentation methods are open vocabulary, offering a greater flexibility than closed-vocabulary methods. Yet, they are limited to reasoning within a specific set of concepts, \ie the vocabulary, prompted by the user…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Guofeng Mei , Luigi Riz , Yiming Wang , Fabio Poiesi

Recent advances in DUSt3R have enabled robust estimation of dense point clouds and camera parameters of static scenes, leveraging Transformer network architectures and direct supervision on large-scale 3D datasets. In contrast, the limited…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Xingyu Chen , Yue Chen , Yuliang Xiu , Andreas Geiger , Anpei Chen

In the context of future manufacturing lines, removing fixtures will be a fundamental step to increase the flexibility of autonomous systems in assembly and logistic operations. Vision-based 3D pose estimation is a necessity to accurately…

Robotics · Computer Science 2020-10-05 Bjarne Grossmann , Francesco Rovida , Volker Krueger

We introduce Kinematic Kitbashing, an optimization framework that synthesizes articulated 3D objects by assembling reusable parts conditioned on an abstract kinematic graph. Given the graph and a library of articulated parts, our method…

Applications in the field of augmented reality or robotics often require joint localisation and 6D pose estimation of multiple objects. However, most algorithms need one network per object class to be trained in order to provide the best…

Computer Vision and Pattern Recognition · Computer Science 2022-12-12 Niklas Gard , Anna Hilsmann , Peter Eisert

3D visual grounding aims to find the object within point clouds mentioned by free-form natural language descriptions with rich semantic cues. However, existing methods either extract the sentence-level features coupling all words or focus…

Computer Vision and Pattern Recognition · Computer Science 2023-10-09 Yanmin Wu , Xinhua Cheng , Renrui Zhang , Zesen Cheng , Jian Zhang

One key challenge in Augmented Reality is the placement of virtual content in natural locations. Most existing automated techniques can only work with a closed-vocabulary, fixed set of objects. In this paper, we introduce and evaluate…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Aditya Sharma , Luke Yoffe , Tobias Höllerer

Image editing approaches have become more powerful and flexible with the advent of powerful text-conditioned generative models. However, placing objects in an environment with a precise location and orientation still remains a challenge, as…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Mohamed Omran , Dimitris Kalatzis , Jens Petersen , Amirhossein Habibian , Auke Wiggers

Subject-driven image generation has shown great success in creating personalized content, but its capabilities are largely confined to single subjects in common poses. Current approaches face a fundamental conflict when handling multiple…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Tianze Xia , Zijian Ning , Zonglin Zhao , Mingjia Wang

For robots to understand human instructions and perform meaningful tasks in the near future, it is important to develop learned models that comprehend referential language to identify common objects in real-world 3D scenes. In this paper,…

Robotics · Computer Science 2021-11-08 Junha Roh , Karthik Desingh , Ali Farhadi , Dieter Fox

This paper introduces an active object detection and localization framework that combines a robust untextured object detection and 3D pose estimation algorithm with a novel next-best-view selection strategy. We address the detection and…

Computer Vision and Pattern Recognition · Computer Science 2016-03-24 Marco Imperoli , Alberto Pretto

Existing image editing tools, while powerful, typically disregard the underlying 3D geometry from which the image is projected. As a result, edits made using these tools may become detached from the geometry and lighting conditions that are…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Oscar Michel , Anand Bhattad , Eli VanderBilt , Ranjay Krishna , Aniruddha Kembhavi , Tanmay Gupta