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Related papers: MixSup: Mixed-grained Supervision for Label-effici…

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We introduce MixTraining, a new training paradigm for object detection that can improve the performance of existing detectors for free. MixTraining enhances data augmentation by utilizing augmentations of different strengths while excluding…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Mengde Xu , Zheng Zhang , Fangyun Wei , Yutong Lin , Yue Cao , Stephen Lin , Han Hu , Xiang Bai

To ensure safe urban driving for autonomous platforms, it is crucial not only to develop high-performance object detection techniques but also to establish a diverse and representative dataset that captures various urban environments and…

Computer Vision and Pattern Recognition · Computer Science 2024-06-03 Jin-Hee Lee , Jae-Keun Lee , Je-Seok Kim , Soon Kwon

We tackle semi-supervised object detection based on motion cues. Recent results suggest that heuristic-based clustering methods in conjunction with object trackers can be used to pseudo-label instances of moving objects and use these as…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Jenny Seidenschwarz , Aljoša Ošep , Francesco Ferroni , Simon Lucey , Laura Leal-Taixé

Unsupervised domain adaptation (DA) with the aid of pseudo labeling techniques has emerged as a crucial approach for domain-adaptive 3D object detection. While effective, existing DA methods suffer from a substantial drop in performance…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Zhuoxiao Chen , Yadan Luo , Zheng Wang , Mahsa Baktashmotlagh , Zi Huang

Though a number of point cloud learning methods have been proposed to handle unordered points, most of them are supervised and require labels for training. By contrast, unsupervised learning of point cloud data has received much less…

Computer Vision and Pattern Recognition · Computer Science 2023-01-25 Jincen Jiang , Xuequan Lu , Wanli Ouyang , Meili Wang

To alleviate the high annotation cost in LiDAR-based 3D object detection, active learning is a promising solution that learns to select only a small portion of unlabeled data to annotate, without compromising model performance. Our…

Computer Vision and Pattern Recognition · Computer Science 2023-02-09 Yadan Luo , Zhuoxiao Chen , Zijian Wang , Xin Yu , Zi Huang , Mahsa Baktashmotlagh

Autonomous vehicles need to have a semantic understanding of the three-dimensional world around them in order to reason about their environment. State of the art methods use deep neural networks to predict semantic classes for each point in…

Computer Vision and Pattern Recognition · Computer Science 2021-09-27 Larissa T. Triess , David Peter , Christoph B. Rist , J. Marius Zöllner

3D object detection aims to recover the 3D information of concerning objects and serves as the fundamental task of autonomous driving perception. Its performance greatly depends on the scale of labeled training data, yet it is costly to…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Shuai Zeng , Wenzhao Zheng , Jiwen Lu , Haibin Yan

3D object detection is an important yet demanding task that heavily relies on difficult to obtain 3D annotations. To reduce the required amount of supervision, we propose 3DIoUMatch, a novel semi-supervised method for 3D object detection…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 He Wang , Yezhen Cong , Or Litany , Yue Gao , Leonidas J. Guibas

Most autonomous vehicles are equipped with LiDAR sensors and stereo cameras. The former is very accurate but generates sparse data, whereas the latter is dense, has rich texture and color information but difficult to extract robust 3D…

Computer Vision and Pattern Recognition · Computer Science 2021-11-10 Farzin Negahbani , Onur Berk Töre , Fatma Güney , Baris Akgun

We study an unsupervised domain adaptation problem for the semantic labeling of 3D point clouds, with a particular focus on domain discrepancies induced by different LiDAR sensors. Based on the observation that sparse 3D point clouds are…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Li Yi , Boqing Gong , Thomas Funkhouser

Deep learning for detecting objects in remotely sensed imagery can enable new technologies for important applications including mitigating climate change. However, these models often require large datasets labeled with bounding box…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Ji Hun Wang , Jeremy Irvin , Beri Kohen Behar , Ha Tran , Raghav Samavedam , Quentin Hsu , Andrew Y. Ng

Place recognition based on point clouds (LiDAR) is an important component for autonomous robots or self-driving vehicles. Current SOTA performance is achieved on accumulated LiDAR submaps using either point-based or voxel-based structures.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Yan Xia , Mariia Gladkova , Rui Wang , Qianyun Li , Uwe Stilla , João F. Henriques , Daniel Cremers

In autonomous driving, LiDAR sensors are vital for acquiring 3D point clouds, providing reliable geometric information. However, traditional sampling methods of preprocessing often ignore semantic features, leading to detail loss and ground…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Hao Jing , Anhong Wang , Lijun Zhao , Yakun Yang , Donghan Bu , Jing Zhang , Yifan Zhang , Junhui Hou

To safely deploy autonomous vehicles, onboard perception systems must work reliably at high accuracy across a diverse set of environments and geographies. One of the most common techniques to improve the efficacy of such systems in new…

Computer Vision and Pattern Recognition · Computer Science 2021-03-04 Benjamin Caine , Rebecca Roelofs , Vijay Vasudevan , Jiquan Ngiam , Yuning Chai , Zhifeng Chen , Jonathon Shlens

Both indoor and outdoor scene perceptions are essential for embodied intelligence. However, current sparse supervised 3D object detection methods focus solely on outdoor scenes without considering indoor settings. To this end, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Yun Zhu , Le Hui , Hang Yang , Jianjun Qian , Jin Xie , Jian Yang

Modern deep networks can be better generalized when trained with noisy samples and regularization techniques. Mixup and CutMix have been proven to be effective for data augmentation to help avoid overfitting. Previous Mixup-based methods…

Computer Vision and Pattern Recognition · Computer Science 2022-11-30 Shuyang Sun , Jie-Neng Chen , Ruifei He , Alan Yuille , Philip Torr , Song Bai

Recent leading approaches to semantic segmentation rely on deep convolutional networks trained with human-annotated, pixel-level segmentation masks. Such pixel-accurate supervision demands expensive labeling effort and limits the…

Computer Vision and Pattern Recognition · Computer Science 2015-05-19 Jifeng Dai , Kaiming He , Jian Sun

While there are novel point cloud semantic segmentation schemes that continuously surpass state-of-the-art results, the success of learning an effective model usually rely on the availability of abundant labeled data. However, data…

Computer Vision and Pattern Recognition · Computer Science 2021-10-07 Puzuo Wang , Wei Yao

In this paper, we study the problem of unsupervised object detection from 3D point clouds in self-driving scenes. We present a simple yet effective method that exploits (i) point clustering in near-range areas where the point clouds are…

Computer Vision and Pattern Recognition · Computer Science 2023-11-06 Lunjun Zhang , Anqi Joyce Yang , Yuwen Xiong , Sergio Casas , Bin Yang , Mengye Ren , Raquel Urtasun