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Related papers: OpenDlign: Open-World Point Cloud Understanding wi…

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Generating a 3D point cloud from a single 2D image is of great importance for 3D scene understanding applications. To reconstruct the whole 3D shape of the object shown in the image, the existing deep learning based approaches use either…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Yao Wei , George Vosselman , Michael Ying Yang

Zero-shot 3D (ZS-3D) anomaly detection aims to identify defects in 3D objects without relying on labeled training data, making it especially valuable in scenarios constrained by data scarcity, privacy, or high annotation cost. However, most…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Gang Li , Tianjiao Chen , Mingle Zhou , Min Li , Delong Han , Jin Wan

The rising importance of 3D understanding, pivotal in computer vision, autonomous driving, and robotics, is evident. However, a prevailing trend, which straightforwardly resorted to transferring 2D alignment strategies to the 3D domain,…

Computer Vision and Pattern Recognition · Computer Science 2024-01-26 Jiayi Ji , Haowei Wang , Changli Wu , Yiwei Ma , Xiaoshuai Sun , Rongrong Ji

Building 3D maps of the environment is central to robot navigation, planning, and interaction with objects in a scene. Most existing approaches that integrate semantic concepts with 3D maps largely remain confined to the closed-set setting:…

Vision language models (VLMs) can flexibly address various vision tasks through text interactions. Although successful in semantic understanding, state-of-the-art VLMs including GPT-5 still struggle in understanding 3D from 2D inputs. On…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Zhipeng Cai , Ching-Feng Yeh , Hu Xu , Zhuang Liu , Gregory Meyer , Xinjie Lei , Changsheng Zhao , Shang-Wen Li , Vikas Chandra , Yangyang Shi

Deep neural network models have achieved remarkable progress in 3D scene understanding while trained in the closed-set setting and with full labels. However, the major bottleneck is that these models do not have the capacity to recognize…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Kangcheng Liu , Yong-Jin Liu , Baoquan Chen

We present DiffPortrait3D, a conditional diffusion model that is capable of synthesizing 3D-consistent photo-realistic novel views from as few as a single in-the-wild portrait. Specifically, given a single RGB input, we aim to synthesize…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Yuming Gu , You Xie , Hongyi Xu , Guoxian Song , Yichun Shi , Di Chang , Jing Yang , Linjie Luo

Zero-shot learning on 3D point cloud data is a related underexplored problem compared to its 2D image counterpart. 3D data brings new challenges for ZSL due to the unavailability of robust pre-trained feature extraction models. To address…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Majid Nasiri , Ali Cheraghian , Townim Faisal Chowdhury , Sahar Ahmadi , Morteza Saberi , Shafin Rahman

We introduce the task of open-vocabulary 3D instance segmentation. Current approaches for 3D instance segmentation can typically only recognize object categories from a pre-defined closed set of classes that are annotated in the training…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Ayça Takmaz , Elisabetta Fedele , Robert W. Sumner , Marc Pollefeys , Federico Tombari , Francis Engelmann

The ability to understand and reason the 3D real world is a crucial milestone towards artificial general intelligence. The current common practice is to finetune Large Language Models (LLMs) with 3D data and texts to enable 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Sha Zhang , Di Huang , Jiajun Deng , Shixiang Tang , Wanli Ouyang , Tong He , Yanyong Zhang

Large 2D vision-language models (2D-LLMs) have gained significant attention by bridging Large Language Models (LLMs) with images using a simple projector. Inspired by their success, large 3D point cloud-language models (3D-LLMs) also…

Computer Vision and Pattern Recognition · Computer Science 2024-05-03 Yuan Tang , Xu Han , Xianzhi Li , Qiao Yu , Yixue Hao , Long Hu , Min Chen

The development of 2D foundation models for image segmentation has been significantly advanced by the Segment Anything Model (SAM). However, achieving similar success in 3D models remains a challenge due to issues such as non-unified data…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Yuchen Zhou , Jiayuan Gu , Tung Yen Chiang , Fanbo Xiang , Hao Su

Imitation learning provides an efficient way to teach robots dexterous skills; however, learning complex skills robustly and generalizablely usually consumes large amounts of human demonstrations. To tackle this challenging problem, we…

Robotics · Computer Science 2024-09-30 Yanjie Ze , Gu Zhang , Kangning Zhang , Chenyuan Hu , Muhan Wang , Huazhe Xu

Zero-shot vision-and-language navigation (VLN) has gained significant attention due to its minimal data collection costs and inherent generalization. This paradigm is typically driven by the integration of pre-trained Vision-Language Models…

Robotics · Computer Science 2026-05-15 Ziyi Xia , Chaoran Xiong , Litao Wei , Xinhao Hu , Ling Pei

Accurate camera calibration is a fundamental task for 3D perception, especially when dealing with real-world, in-the-wild environments where complex optical distortions are common. Existing methods often rely on pre-rectified images or…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Liuyue Xie , Jiancong Guo , Ozan Cakmakci , Andre Araujo , Laszlo A. Jeni , Zhiheng Jia

Pre-trained Vision-Language Models (VLMs), such as CLIP, have shown enhanced performance across a range of tasks that involve the integration of visual and linguistic modalities. When CLIP is used for depth estimation tasks, the patches,…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Xueting Hu , Ce Zhang , Yi Zhang , Bowen Hai , Ke Yu , Zhihai He

Visual target navigation in unknown environments is a crucial problem in robotics. Despite extensive investigation of classical and learning-based approaches in the past, robots lack common-sense knowledge about household objects and…

Robotics · Computer Science 2023-12-27 Bangguo Yu , Hamidreza Kasaei , Ming Cao

Accurately and robustly estimating the state of deformable linear objects (DLOs), such as ropes and wires, is crucial for DLO manipulation and other applications. However, it remains a challenging open issue due to the high dimensionality…

Robotics · Computer Science 2023-05-03 Kangchen Lv , Mingrui Yu , Yifan Pu , Xin Jiang , Gao Huang , Xiang Li

Point cloud learning has lately attracted increasing attention due to its wide applications in many areas, such as computer vision, autonomous driving, and robotics. As a dominating technique in AI, deep learning has been successfully used…

Computer Vision and Pattern Recognition · Computer Science 2020-06-24 Yulan Guo , Hanyun Wang , Qingyong Hu , Hao Liu , Li Liu , Mohammed Bennamoun

Human-like generalization in open-world remains a fundamental challenge for robotic manipulation. Existing learning-based methods, including reinforcement learning, imitation learning, and vision-language-action-models (VLAs), often…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Jingjing Wang , Zhengdong Hong , Chong Bao , Yuke Zhu , Junhan Sun , Guofeng Zhang