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Related papers: WS-3D-Lane: Weakly Supervised 3D Lane Detection Wi…

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Weakly supervised monocular 3D detection, while less annotation-intensive, often struggles to capture the global context required for reliable 3D reasoning. Conventional label-efficient methods focus on object-centric features, neglecting…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Chupeng Liu , Runkai Zhao , Weidong Cai

Existing roadside perception systems are limited by the absence of publicly available, large-scale, high-quality 3D datasets. Exploring the use of cost-effective, extensive synthetic datasets offers a viable solution to tackle this…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Xingcheng Zhou , Deyu Fu , Walter Zimmer , Mingyu Liu , Venkatnarayanan Lakshminarasimhan , Leah Strand , Alois C. Knoll

Accurate lane detection, a crucial enabler for autonomous driving, currently relies on obtaining a large and diverse labeled training dataset. In this work, we explore learning from abundant, randomly generated synthetic data, together with…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Noa Garnett , Roy Uziel , Netalee Efrat , Dan Levi

In this paper, we propose 3DSS-VLG, a weakly supervised approach for 3D Semantic Segmentation with 2D Vision-Language Guidance, an alternative approach that a 3D model predicts dense-embedding for each point which is co-embedded with both…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Xiaoxu Xu , Yitian Yuan , Jinlong Li , Qiudan Zhang , Zequn Jie , Lin Ma , Hao Tang , Nicu Sebe , Xu Wang

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

3D lane detection is essential in autonomous driving as it extracts structural and traffic information from the road in three-dimensional space, aiding self-driving cars in logical, safe, and comfortable path planning and motion control.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Fulong Ma , Weiqing Qi , Guoyang Zhao , Linwei Zheng , Sheng Wang , Yuxuan Liu , Ming Liu , Jun Ma

Point cloud analysis has received much attention recently; and segmentation is one of the most important tasks. The success of existing approaches is attributed to deep network design and large amount of labelled training data, where the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-09 Xun Xu , Gim Hee Lee

Image-based 3D detection is an indispensable component of the perception system for autonomous driving. However, it still suffers from the unsatisfying performance, one of the main reasons for which is the limited training data.…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Xinzhu Ma , Yuan Meng , Yinmin Zhang , Lei Bai , Jun Hou , Shuai Yi , Wanli Ouyang

Supervised approaches to 3D pose estimation from single images are remarkably effective when labeled data is abundant. However, as the acquisition of ground-truth 3D labels is labor intensive and time consuming, recent attention has shifted…

Computer Vision and Pattern Recognition · Computer Science 2022-06-30 Soumava Kumar Roy , Leonardo Citraro , Sina Honari , Pascal Fua

With a focus on abnormal events contained within untrimmed videos, there is increasing interest among researchers in video anomaly detection. Among different video anomaly detection scenarios, weakly-supervised video anomaly detection poses…

Computer Vision and Pattern Recognition · Computer Science 2023-09-29 Yidan Fan , Yongxin Yu , Wenhuan Lu , Yahong Han

Weakly-supervised salient object detection (WSOD) aims to develop saliency models using image-level annotations. Despite of the success of previous works, explorations on an effective training strategy for the saliency network and accurate…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Yongri Piao , Jian Wang , Miao Zhang , Zhengxuan Ma , Huchuan Lu

Change detection from traditional \added{2D} optical images has limited capability to model the changes in the height or shape of objects. Change detection using 3D point cloud \added{from photogrammetry or LiDAR surveying} can fill this…

Image and Video Processing · Electrical Eng. & Systems 2024-10-28 Iris de Gélis , Sudipan Saha , Muhammad Shahzad , Thomas Corpetti , Sébastien Lefèvre , Xiao Xiang Zhu

In this paper, we propose a weakly-supervised approach for 3D object detection, which makes it possible to train a strong 3D detector with position-level annotations (i.e. annotations of object centers). In order to remedy the information…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Xiuwei Xu , Yifan Wang , Yu Zheng , Yongming Rao , Jie Zhou , Jiwen Lu

State-of-the-art approaches for 6D object pose estimation require large amounts of labeled data to train the deep networks. However, the acquisition of 6D object pose annotations is tedious and labor-intensive in large quantity. To…

Computer Vision and Pattern Recognition · Computer Science 2022-03-08 Meng Tian , Gim Hee Lee

We introduce a network that directly predicts the 3D layout of lanes in a road scene from a single image. This work marks a first attempt to address this task with on-board sensing without assuming a known constant lane width or relying on…

Computer Vision and Pattern Recognition · Computer Science 2019-09-11 Noa Garnett , Rafi Cohen , Tomer Pe'er , Roee Lahav , Dan Levi

Accurate 3D object detection in LiDAR point clouds is crucial for autonomous driving systems. To achieve state-of-the-art performance, the supervised training of detectors requires large amounts of human-annotated data, which is expensive…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Christian Fruhwirth-Reisinger , Wei Lin , Dušan Malić , Horst Bischof , Horst Possegger

Competitive point cloud semantic segmentation results usually rely on a large amount of labeled data. However, data annotation is a time-consuming and labor-intensive task, particularly for three-dimensional point cloud data. Thus,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Puzuo Wang , Wei Yao

To improve the generalization of 3D human pose estimators, many existing deep learning based models focus on adding different augmentations to training poses. However, data augmentation techniques are limited to the "seen" pose combinations…

Computer Vision and Pattern Recognition · Computer Science 2023-01-10 Cheng-Yen Yang , Jiajia Luo , Lu Xia , Yuyin Sun , Nan Qiao , Ke Zhang , Zhongyu Jiang , Jenq-Neng Hwang

Automatic road extraction from satellite imagery using deep learning is a viable alternative to traditional manual mapping. Therefore it has received considerable attention recently. However, most of the existing methods are supervised and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-15 Shiqiao Meng , Zonglin Di , Siwei Yang , Yin Wang

As one of the basic while vital technologies for HD map construction, 3D lane detection is still an open problem due to varying visual conditions, complex typologies, and strict demands for precision. In this paper, an end-to-end flexible…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Zhihao Guan , Ruixin Liu , Zejian Yuan , Ao Liu , Kun Tang , Tong Zhou , Erlong Li , Chao Zheng , Shuqi Mei