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Multiple datasets and open challenges for object detection have been introduced in recent years. To build more general and powerful object detection systems, in this paper, we construct a new large-scale benchmark termed BigDetection. Our…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Likun Cai , Zhi Zhang , Yi Zhu , Li Zhang , Mu Li , Xiangyang Xue

3D semantic segmentation plays a pivotal role in autonomous driving and road infrastructure analysis, yet state-of-the-art 3D models are prone to severe domain shift when deployed across different datasets. In this paper, we propose an…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Andrew Caunes , Thierry Chateau , Vincent Fremont

In recent years, the field of autonomous driving has witnessed remarkable advancements, driven by the integration of a multitude of sensors, including cameras and LiDAR systems, in different prototypes. However, with the proliferation of…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Irene Cortés , Jorge Beltrán , Arturo de la Escalera , Fernando García

Existing 3D object detection suffers from expensive annotation costs and poor transferability to unknown data due to the domain gap, Unsupervised Domain Adaptation (UDA) aims to generalize detection models trained in labeled source domains…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Yanan Zhang , Chao Zhou , Di Huang

Adapting visual object detectors to operational target domains is a challenging task, commonly achieved using unsupervised domain adaptation (UDA) methods. Recent studies have shown that when the labeled dataset comes from multiple source…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Atif Belal , Akhil Meethal , Francisco Perdigon Romero , Marco Pedersoli , Eric Granger

Self-driving cars must detect other vehicles and pedestrians in 3D to plan safe routes and avoid collisions. State-of-the-art 3D object detectors, based on deep learning, have shown promising accuracy but are prone to over-fit to domain…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Yurong You , Carlos Andres Diaz-Ruiz , Yan Wang , Wei-Lun Chao , Bharath Hariharan , Mark Campbell , Kilian Q Weinberger

In this paper, we propose the LiDAR Distillation to bridge the domain gap induced by different LiDAR beams for 3D object detection. In many real-world applications, the LiDAR points used by mass-produced robots and vehicles usually have…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Yi Wei , Zibu Wei , Yongming Rao , Jiaxin Li , Jie Zhou , Jiwen Lu

Cross-domain object detection is challenging, because object detection model is often vulnerable to data variance, especially to the considerable domain shift between two distinctive domains. In this paper, we propose a new Unbiased Mean…

Computer Vision and Pattern Recognition · Computer Science 2021-06-24 Jinhong Deng , Wen Li , Yuhua Chen , Lixin Duan

In recent years, deep learning technology has been maturely applied in the field of object detection, and most algorithms tend to be supervised learning. However, a large amount of labeled data requires high costs of human resources, which…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Yanyang Wang , Zhaoxiang Liu , Shiguo Lian

3D object detection from point clouds is crucial in safety-critical autonomous driving. Although many works have made great efforts and achieved significant progress on this task, most of them suffer from expensive annotation cost and poor…

Computer Vision and Pattern Recognition · Computer Science 2023-04-20 Qianjiang Hu , Daizong Liu , Wei Hu

We propose a unified cross-domain transfer learning framework that leverages knowledge from multiple heterogeneous medical imaging datasets to improve performance across segmentation, classification, and object detection tasks. Our approach…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Ceausescu Ciprian-Mihai , Anghelina Ion-Marian , Alexe Dumitru-Bogdan

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

Data diversity and abundance are essential for improving the performance and generalization of models in natural language processing and 2D vision. However, 3D vision domain suffers from the lack of 3D data, and simply combining multiple 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-02-23 Yu-Qi Yang , Yu-Xiao Guo , Yang Liu

The unsupervised 3D object detection is to accurately detect objects in unstructured environments with no explicit supervisory signals. This task, given sparse LiDAR point clouds, often results in compromised performance for detecting…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Ruiyang Zhang , Hu Zhang , Hang Yu , Zhedong Zheng

Object detectors have achieved remarkable performance in many applications; however, these deep learning models are typically designed under the i.i.d. assumption, meaning they are trained and evaluated on data sampled from the same…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Sara Al-Emadi , Yin Yang , Ferda Ofli

To reduce annotation labor associated with object detection, an increasing number of studies focus on transferring the learned knowledge from a labeled source domain to another unlabeled target domain. However, existing methods assume that…

Computer Vision and Pattern Recognition · Computer Science 2021-07-01 Xingxu Yao , Sicheng Zhao , Pengfei Xu , Jufeng Yang

Existing LiDAR-based 3D object detectors typically rely on manually annotated labels for training to achieve good performance. However, obtaining high-quality 3D labels is time-consuming and labor-intensive. To address this issue, recent…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Mingqian Ji , Jian Yang , Shanshan Zhang

LiDAR object detection algorithms based on neural networks for autonomous driving require large amounts of data for training, validation, and testing. As real-world data collection and labeling are time-consuming and expensive,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Sebastian Huch , Luca Scalerandi , Esteban Rivera , Markus Lienkamp

3D object Detection with LiDAR-camera encounters overfitting in algorithm development which is derived from the violation of some fundamental rules. We refer to the data annotation in dataset construction for theory complementing and argue…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Junjie Huang , Yun Ye , Zhujin Liang , Yi Shan , Dalong Du

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