English
Related papers

Related papers: Uni3D: Exploring Unified 3D Representation at Scal…

200 papers

To achieve reliable and precise scene understanding, autonomous vehicles typically incorporate multiple sensing modalities to capitalize on their complementary attributes. However, existing cross-modal 3D detectors do not fully utilize the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Yifan Zhang , Qijian Zhang , Junhui Hou , Yixuan Yuan , Guoliang Xing

Unsupervised representation learning techniques, such as learning word embeddings, have had a significant impact on the field of natural language processing. Similar representation learning techniques have not yet become commonplace in the…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Joël Bachmann , Kenneth Blomqvist , Julian Förster , Roland Siegwart

We propose a new "Unbiased through Textual Description (UTD)" video benchmark based on unbiased subsets of existing video classification and retrieval datasets to enable a more robust assessment of video understanding capabilities. Namely,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Nina Shvetsova , Arsha Nagrani , Bernt Schiele , Hilde Kuehne , Christian Rupprecht

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

Multimodal semantic segmentation is a pivotal component of computer vision and typically surpasses unimodal methods by utilizing rich information set from various sources.Current models frequently adopt modality-specific frameworks that…

Computer Vision and Pattern Recognition · Computer Science 2024-05-27 Bingyu Li , Da Zhang , Zhiyuan Zhao , Junyu Gao , Xuelong Li

Recent generative AI models have achieved remarkable breakthroughs in language and visual understanding. However, although these models can generate realistic visual content, their spatial scale remains confined to bounded environments,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Jinqi Cao , Zhiping Yu , Baihong Lin , Chenyang Liu , Zhenwei Shi , Zhengxia Zou

In this paper, we investigate an open research task of cross-modal retrieval between 3D shapes and textual descriptions. Previous approaches mainly rely on point cloud encoders for feature extraction, which may ignore key inherent features…

Computer Vision and Pattern Recognition · Computer Science 2024-05-08 Hao Wu , Ruochong LI , Hao Wang , Hui Xiong

Feature extraction and matching are the basic parts of many robotic vision tasks, such as 2D or 3D object detection, recognition, and registration. As is known, 2D feature extraction and matching have already achieved great success.…

Computer Vision and Pattern Recognition · Computer Science 2024-01-11 Yunge Cui , Yinlong Zhang , Jiahua Dong , Haibo Sun , Xieyuanli Chen , Feng Zhu

We introduce UPose3D, a novel approach for multi-view 3D human pose estimation, addressing challenges in accuracy and scalability. Our method advances existing pose estimation frameworks by improving robustness and flexibility without…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Vandad Davoodnia , Saeed Ghorbani , Marc-André Carbonneau , Alexandre Messier , Ali Etemad

We propose a system that learns to detect objects and infer their 3D poses in RGB-D images. Many existing systems can identify objects and infer 3D poses, but they heavily rely on human labels and 3D annotations. The challenge here is to…

Computer Vision and Pattern Recognition · Computer Science 2020-11-02 Mihir Prabhudesai , Shamit Lal , Hsiao-Yu Fish Tung , Adam W. Harley , Shubhankar Potdar , Katerina Fragkiadaki

Training models to apply linguistic knowledge and visual concepts from 2D images to 3D world understanding is a promising direction that researchers have only recently started to explore. In this work, we design a novel 3D pre-training…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Maria Parelli , Alexandros Delitzas , Nikolas Hars , Georgios Vlassis , Sotirios Anagnostidis , Gregor Bachmann , Thomas Hofmann

Understanding 3D scenes requires flexible combinations of visual reasoning tasks, including depth estimation, novel view synthesis, and object manipulation, all of which are essential for perception and interaction. Existing approaches have…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Wanhee Lee , Klemen Kotar , Rahul Mysore Venkatesh , Jared Watrous , Honglin Chen , Khai Loong Aw , Daniel L. K. Yamins

Contemporary point cloud segmentation approaches largely rely on richly annotated 3D training data. However, it is both time-consuming and challenging to obtain consistently accurate annotations for such 3D scene data. Moreover, there is…

Computer Vision and Pattern Recognition · Computer Science 2023-11-13 Jiaxu Liu , Zhengdi Yu , Toby P. Breckon , Hubert P. H. Shum

Shape priors learned from data are commonly used to reconstruct 3D objects from partial or noisy data. Yet no such shape priors are available for indoor scenes, since typical 3D autoencoders cannot handle their scale, complexity, or…

Computer Vision and Pattern Recognition · Computer Science 2020-03-23 Chiyu Max Jiang , Avneesh Sud , Ameesh Makadia , Jingwei Huang , Matthias Nießner , Thomas Funkhouser

The lifting of 3D structure and camera from 2D landmarks is at the cornerstone of the entire discipline of computer vision. Traditional methods have been confined to specific rigid objects, such as those in Perspective-n-Point (PnP)…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Mosam Dabhi , Laszlo A. Jeni , Simon Lucey

Multi-modal 3D object understanding has gained significant attention, yet current approaches often assume complete data availability and rigid alignment across all modalities. We present CrossOver, a novel framework for cross-modal 3D scene…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Sayan Deb Sarkar , Ondrej Miksik , Marc Pollefeys , Daniel Barath , Iro Armeni

This paper addresses the task of large-scale 3D scene reconstruction from long video sequences. Recent feed-forward reconstruction models have shown promising results by directly regressing 3D geometry from RGB images without explicit 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Tao Xie , Peishan Yang , Yudong Jin , Yingfeng Cai , Wei Yin , Weiqiang Ren , Qian Zhang , Wei Hua , Sida Peng , Xiaoyang Guo , Xiaowei Zhou

3D policy learning promises superior generalization and cross-embodiment transfer, but progress has been hindered by training instabilities and severe overfitting, precluding the adoption of powerful 3D perception models. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Zhengdong Hong , Shenrui Wu , Haozhe Cui , Boyi Zhao , Ran Ji , Yiyang He , Hangxing Zhang , Zundong Ke , Jun Wang , Guofeng Zhang , Jiayuan Gu

Map-to-map matching is a critical task for aligning spatial data across heterogeneous sources, yet it remains challenging due to the lack of ground truth correspondences, sparse node features, and scalability demands. In this paper, we…

Machine Learning · Computer Science 2026-01-21 Chaolong Ying , Yinan Zhang , Lei Zhang , Jiazhuang Wang , Shujun Jia , Tianshu Yu

Camera-only 3D object detection is critical for autonomous driving, offering a cost-effective alternative to LiDAR based methods. In particular, multi-view 3D object detection has emerged as a promising direction due to its balanced…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Hongjing Wu , Cheng Chi , Jinlin Wu , Yanzhao Su , Zhen Lei , Wenqi Ren