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In the past few years we have seen great advances in object perception (particularly in 4D space-time dimensions) thanks to deep learning methods. However, they typically rely on large amounts of high-quality labels to achieve good…

计算机视觉与模式识别 · 计算机科学 2021-03-15 Bin Yang , Min Bai , Ming Liang , Wenyuan Zeng , Raquel Urtasun

Pretraining on large labeled datasets is a prerequisite to achieve good performance in many computer vision tasks like 2D object recognition, video classification etc. However, pretraining is not widely used for 3D recognition tasks where…

计算机视觉与模式识别 · 计算机科学 2021-01-08 Zaiwei Zhang , Rohit Girdhar , Armand Joulin , Ishan Misra

Tiny objects, with their limited spatial resolution, often resemble point-like distributions. As a result, bounding box prediction using point-level supervision emerges as a natural and cost-effective alternative to traditional box-level…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Haoran Zhu , Chang Xu , Ruixiang Zhang , Fang Xu , Wen Yang , Haijian Zhang , Gui-Song Xia

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…

计算机视觉与模式识别 · 计算机科学 2024-06-03 Jin-Hee Lee , Jae-Keun Lee , Je-Seok Kim , Soon Kwon

Point clouds provide a compact and efficient representation of 3D shapes. While deep neural networks have achieved impressive results on point cloud learning tasks, they require massive amounts of manually labeled data, which can be costly…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Omid Poursaeed , Tianxing Jiang , Han Qiao , Nayun Xu , Vladimir G. Kim

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…

计算机视觉与模式识别 · 计算机科学 2021-03-04 Benjamin Caine , Rebecca Roelofs , Vijay Vasudevan , Jiquan Ngiam , Yuning Chai , Zhifeng Chen , Jonathon Shlens

We propose a new self-supervised method for pre-training the backbone of deep perception models operating on point clouds. The core idea is to train the model on a pretext task which is the reconstruction of the surface on which the 3D…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Alexandre Boulch , Corentin Sautier , Björn Michele , Gilles Puy , Renaud Marlet

In this paper, we describe a strategy for training neural networks for object detection in range images obtained from one type of LiDAR sensor using labeled data from a different type of LiDAR sensor. Additionally, an efficient model for…

计算机视觉与模式识别 · 计算机科学 2019-12-06 Manuel Herzog , Klaus Dietmayer

The current state-of-the-art methods in domain adaptive object detection (DAOD) use Mean Teacher self-labelling, where a teacher model, directly derived as an exponential moving average of the student model, is used to generate labels on…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Marc-Antoine Lavoie , Anas Mahmoud , Steven L. Waslander

ConvNets achieve good results when training from clean data, but learning from noisy labels significantly degrades performances and remains challenging. Unlike previous works constrained by many conditions, making them infeasible to real…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Jiangfan Han , Ping Luo , Xiaogang Wang

Occlusion presents a significant challenge for safety-critical applications such as autonomous driving. Collaborative perception has recently attracted a large research interest thanks to the ability to enhance the perception of autonomous…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Minh-Quan Dao , Holger Caesar , Julie Stephany Berrio , Mao Shan , Stewart Worrall , Vincent Frémont , Ezio Malis

The unsupervised pretraining of object detectors has recently become a key component of object detector training, as it leads to improved performance and faster convergence during the supervised fine-tuning stage. Existing unsupervised…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Ioannis Maniadis Metaxas , Adrian Bulat , Ioannis Patras , Brais Martinez , Georgios Tzimiropoulos

Obtaining annotations for complex computer vision tasks such as object detection is an expensive and time-intense endeavor involving a large number of human workers or expert opinions. Reducing the amount of annotations required while…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Marius Schubert , Tobias Riedlinger , Karsten Kahl , Matthias Rottmann

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…

计算机视觉与模式识别 · 计算机科学 2023-08-03 Louis Soum-Fontez , Jean-Emmanuel Deschaud , François Goulette

We tackle the problem of learning object detectors without supervision. Differently from weakly-supervised object detection, we do not assume image-level class labels. Instead, we extract a supervisory signal from audio-visual data, using…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Triantafyllos Afouras , Yuki M. Asano , Francois Fagan , Andrea Vedaldi , Florian Metze

Point clouds provide a flexible and natural representation usable in countless applications such as robotics or self-driving cars. Recently, deep neural networks operating on raw point cloud data have shown promising results on supervised…

机器学习 · 计算机科学 2019-06-04 Jonathan Sauder , Bjarne Sievers

The availability of a large quantity of labelled training data is crucial for the training of modern object detectors. Hand labelling training data is time consuming and expensive while automatic labelling methods inevitably add unwanted…

机器人学 · 计算机科学 2019-05-20 Simon Chadwick , Paul Newman

Dominated point cloud-based 3D object detectors in autonomous driving scenarios rely heavily on the huge amount of accurately labeled samples, however, 3D annotation in the point cloud is extremely tedious, expensive and time-consuming. To…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Junbo Yin , Jin Fang , Dingfu Zhou , Liangjun Zhang , Cheng-Zhong Xu , Jianbing Shen , Wenguan Wang

Semi-supervised 3D object detection is a common strategy employed to circumvent the challenge of manually labeling large-scale autonomous driving perception datasets. Pseudo-labeling approaches to semi-supervised learning adopt a…

计算机视觉与模式识别 · 计算机科学 2024-09-18 Philip Jacobson , Yichen Xie , Mingyu Ding , Chenfeng Xu , Masayoshi Tomizuka , Wei Zhan , Ming C. Wu

Object detection and tracking are vital and fundamental tasks for autonomous driving, aiming at identifying and locating objects from those predefined categories in a scene. 3D point cloud learning has been attracting more and more…

计算机视觉与模式识别 · 计算机科学 2023-11-13 Yang Peng