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We introduce GROOT, an imitation learning method for learning robust policies with object-centric and 3D priors. GROOT builds policies that generalize beyond their initial training conditions for vision-based manipulation. It constructs…

Robotics · Computer Science 2023-10-24 Yifeng Zhu , Zhenyu Jiang , Peter Stone , Yuke Zhu

Place recognition is a fundamental task for robotic application, allowing robots to perform loop closure detection within simultaneous localization and mapping (SLAM), and achieve relocalization on prior maps. Current range image-based…

Robotics · Computer Science 2024-05-28 Gang Wang , Chaoran Zhu , Qian Xu , Tongzhou Zhang , Hai Zhang , XiaoPeng Fan , Jue Hu

Invariance against rotations of 3D objects is an important property in analyzing 3D point set data. Conventional 3D point set DNNs having rotation invariance typically obtain accurate 3D shape features via supervised learning by using…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Takahiko Furuya , Zhoujie Chen , Ryutarou Ohbuchi , Zhenzhong Kuang

The inherent ambiguity in ground-truth annotations of 3D bounding boxes, caused by occlusions, signal missing, or manual annotation errors, can confuse deep 3D object detectors during training, thus deteriorating detection accuracy.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Yifan Zhang , Qijian Zhang , Zhiyu Zhu , Junhui Hou , Yixuan Yuan

Influence estimation analyzes how changes to the training data can lead to different model predictions; this analysis can help us better understand these predictions, the models making those predictions, and the data sets they're trained…

Machine Learning · Computer Science 2023-06-01 Jonathan Brophy , Zayd Hammoudeh , Daniel Lowd

Vectorized high-definition map online construction has garnered considerable attention in the field of autonomous driving research. Most existing approaches model changeable map elements using a fixed number of points, or predict local maps…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Wenjie Ding , Limeng Qiao , Xi Qiu , Chi Zhang

Single object tracking(SOT) relies on precise object bounding box initialization. In this paper, we reconsidered the deficiencies in the current approaches to initializing single object trackers and propose a new paradigm for single object…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Kuiran Wang , Xuehui Yu , Wenwen Yu , Guorong Li , Xiangyuan Lan , Qixiang Ye , Jianbin Jiao , Zhenjun Han

A key question in the problem of 3D reconstruction is how to train a machine or a robot to model 3D objects. Many tasks like navigation in real-time systems such as autonomous vehicles directly depend on this problem. These systems usually…

Computer Vision and Pattern Recognition · Computer Science 2022-09-22 AmirHossein Zamani , Amir G. Aghdam , Kamran Ghaffari T

Object tracking becomes critical especially when similar objects are present in the same area. Recent state-of-the-art (SOTA) approaches are proposed based on taking a matching network with a heavy structure to distinguish the target from…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Faraz Lotfi , Hamid D. Taghirad

A gradient boosting decision tree (GBDT), which aggregates a collection of single weak learners (i.e. decision trees), is widely used for data mining tasks. Because GBDT inherits the good performance from its ensemble essence, much…

Machine Learning · Computer Science 2020-04-06 Wenjing Fang , Jun Zhou , Xiaolong Li , Kenny Q. Zhu

In recent years, visual representation learning has gained widespread attention in robotic imitation learning. However, in complex Out-of-Distribution(OOD) settings characterized by clutter and occlusion, the attention of global visual…

Robotics · Computer Science 2025-09-30 Ye Chen , Zichen Zhou , Jianyu Dou , Te Cui , Yi Yang , Yufeng Yue

Recently, one-stage visual grounders attract high attention due to their comparable accuracy but significantly higher efficiency than two-stage grounders. However, inter-object relation modeling has not been well studied for one-stage…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Yang Jiao , Zequn Jie , Jingjing Chen , Lin Ma , Yu-Gang Jiang

Supervised 3D Object Detection models have been displaying increasingly better performance in single-domain cases where the training data comes from the same environment and sensor as the testing data. However, in real-world scenarios data…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Louis Soum-Fontez , Jean-Emmanuel Deschaud , François Goulette

Multi-modal large language models have demonstrated impressive performance across various tasks in different modalities. However, existing multi-modal models primarily emphasize capturing global information within each modality while…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Zhaowei Li , Qi Xu , Dong Zhang , Hang Song , Yiqing Cai , Qi Qi , Ran Zhou , Junting Pan , Zefeng Li , Van Tu Vu , Zhida Huang , Tao Wang

3D point cloud semantic segmentation aims to group all points into different semantic categories, which benefits important applications such as point cloud scene reconstruction and understanding. Existing supervised point cloud semantic…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Canyu Zhang , Zhenyao Wu , Xinyi Wu , Ziyu Zhao , Song Wang

Siamese network based trackers formulate 3D single object tracking as cross-correlation learning between point features of a template and a search area. Due to the large appearance variation between the template and search area during…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Le Hui , Lingpeng Wang , Linghua Tang , Kaihao Lan , Jin Xie , Jian Yang

The 3D visual grounding task aims to ground a natural language description to the targeted object in a 3D scene, which is usually represented in 3D point clouds. Previous works studied visual grounding under specific views. The…

Computer Vision and Pattern Recognition · Computer Science 2022-04-06 Shijia Huang , Yilun Chen , Jiaya Jia , Liwei Wang

Training 3D object detectors for autonomous driving has been limited to small datasets due to the effort required to generate annotations. Reducing both task complexity and the amount of task switching done by annotators is key to reducing…

Machine Learning · Computer Science 2018-07-18 Jungwook Lee , Sean Walsh , Ali Harakeh , Steven L. Waslander

Point cloud-based large scale place recognition is fundamental for many applications like Simultaneous Localization and Mapping (SLAM). Although many models have been proposed and have achieved good performance by learning short-range local…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Zhaoxin Fan , Zhenbo Song , Hongyan Liu , Zhiwu Lu , Jun He , Xiaoyong Du

Gait recognition has attracted increasing attention from academia and industry as a human recognition technology from a distance in non-intrusive ways without requiring cooperation. Although advanced methods have achieved impressive success…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Guozhen Peng , Yunhong Wang , Yuwei Zhao , Shaoxiong Zhang , Annan Li