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Related papers: HVNet: Hybrid Voxel Network for LiDAR Based 3D Obj…

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Automated 3D CT diagnosis empowers clinicians to make timely, evidence-based decisions by enhancing diagnostic accuracy and workflow efficiency. While multimodal large language models (MLLMs) exhibit promising performance in visual-language…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Yanzhao Shi , Xiaodan Zhang , Junzhong Ji , Haoning Jiang , Chengxin Zheng , Yinong Wang , Liangqiong Qu

Understanding the motion states of the surrounding environment is critical for safe autonomous driving. These motion states can be accurately derived from scene flow, which captures the three-dimensional motion field of points. Existing…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Jaeyeul Kim , Jungwan Woo , Ukcheol Shin , Jean Oh , Sunghoon Im

3D object detection based on LiDAR-camera fusion is becoming an emerging research theme for autonomous driving. However, it has been surprisingly difficult to effectively fuse both modalities without information loss and interference. To…

Computer Vision and Pattern Recognition · Computer Science 2020-12-09 Guojun Wang , Bin Tian , Yachen Zhang , Long Chen , Dongpu Cao , Jian Wu

3D object detection has become an emerging task in autonomous driving scenarios. Previous works process 3D point clouds using either projection-based or voxel-based models. However, both approaches contain some drawbacks. The voxel-based…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Qingdong He , Zhengning Wang , Hao Zeng , Yijun Liu , Shuaicheng Liu , Bing Zeng

3D vehicle detection based on point cloud is a challenging task in real-world applications such as autonomous driving. Despite significant progress has been made, we observe two aspects to be further improved. First, the semantic context…

Computer Vision and Pattern Recognition · Computer Science 2020-02-14 Hongwei Yi , Shaoshuai Shi , Mingyu Ding , Jiankai Sun , Kui Xu , Hui Zhou , Zhe Wang , Sheng Li , Guoping Wang

Common deep learning models for 3D environment perception often use pillarization/voxelization methods to convert point cloud data into pillars/voxels and then process it with a 2D/3D convolutional neural network (CNN). The pioneer work…

Computer Vision and Pattern Recognition · Computer Science 2023-07-26 Chuanyu Luo , Nuo Cheng , Sikun Ma , Jun Xiang , Xiaohan Li , Shengguang Lei , Pu Li

Autonomous driving requires the inference of actionable information such as detecting and classifying objects, and determining the drivable space. To this end, we present Multi-View LidarNet (MVLidarNet), a two-stage deep neural network for…

Computer Vision and Pattern Recognition · Computer Science 2020-08-19 Ke Chen , Ryan Oldja , Nikolai Smolyanskiy , Stan Birchfield , Alexander Popov , David Wehr , Ibrahim Eden , Joachim Pehserl

Multi-exposure High Dynamic Range (HDR) imaging is a challenging task when facing truncated texture and complex motion. Existing deep learning-based methods have achieved great success by either following the alignment and fusion pipeline…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Lingtong Kong , Bo Li , Yike Xiong , Hao Zhang , Hong Gu , Jinwei Chen

Multi-view detection incorporates multiple camera views to alleviate occlusion in crowded scenes, where the state-of-the-art approaches adopt homography transformations to project multi-view features to the ground plane. However, we find…

Computer Vision and Pattern Recognition · Computer Science 2023-01-05 Jiahao Ma , Jinguang Tong , Shan Wang , Wei Zhao , Zicheng Duan , Chuong Nguyen

In this paper we show that High-Definition (HD) maps provide strong priors that can boost the performance and robustness of modern 3D object detectors. Towards this goal, we design a single stage detector that extracts geometric and…

Computer Vision and Pattern Recognition · Computer Science 2020-12-23 Bin Yang , Ming Liang , Raquel Urtasun

Point cloud is an important type of geometric data structure. Due to its irregular format, most researchers transform such data to regular 3D voxel grids or collections of images. This, however, renders data unnecessarily voluminous and…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Charles R. Qi , Hao Su , Kaichun Mo , Leonidas J. Guibas

This paper presents HoughNet, a one-stage, anchor-free, voting-based, bottom-up object detection method. Inspired by the Generalized Hough Transform, HoughNet determines the presence of an object at a certain location by the sum of the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-19 Nermin Samet , Samet Hicsonmez , Emre Akbas

Voxel is an important format to represent geometric data, which has been widely used for 3D deep learning in shape analysis due to its generalization ability and regular data format. However, fine-grained tasks like part segmentation…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Zongji Wang , Feng Lu

In this paper, we propose SpotNet: a fast, single stage, image-centric but LiDAR anchored approach for long range 3D object detection. We demonstrate that our approach to LiDAR/image sensor fusion, combined with the joint learning of 2D and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Louis Foucard , Samar Khanna , Yi Shi , Chi-Kuei Liu , Quinn Z Shen , Thuyen Ngo , Zi-Xiang Xia

Robust real-time detection and motion forecasting of traffic participants is necessary for autonomous vehicles to safely navigate urban environments. In this paper, we present RV-FuseNet, a novel end-to-end approach for joint detection and…

Computer Vision and Pattern Recognition · Computer Science 2021-03-24 Ankit Laddha , Shivam Gautam , Gregory P. Meyer , Carlos Vallespi-Gonzalez , Carl K. Wellington

LiDAR-based semantic perception tasks are critical yet challenging for autonomous driving. Due to the motion of objects and static/dynamic occlusion, temporal information plays an essential role in reinforcing perception by enhancing and…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Xuechao Chen , Shuangjie Xu , Xiaoyi Zou , Tongyi Cao , Dit-Yan Yeung , Lu Fang

Recent advances in point cloud object detection have increasingly adopted Transformer-based and State Space Models (SSMs) to capture long-range dependencies. However, these serialized frameworks strictly maintain the consistency of input…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Qifeng Liu , Dawei Zhao , Yabo Dong , Linzhi Shang , Liang Xiao , Juan Wang , Kunkong Zhao , Dongming Lu , Qi Zhu

Road segmentation is a fundamental perception task for autonomous driving and intelligent robotic systems, requiring both high accuracy and real-time inference, especially for deployment on resource-constrained edge devices. Existing…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Daojie Peng , Bingtao Wang , Fulong Ma , Liang Zhang , Jun Ma

The existing 3D deep learning methods adopt either individual point-based features or local-neighboring voxel-based features, and demonstrate great potential for processing 3D data. However, the point based models are inefficient due to the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 Wei Zhou , Xin Cao , Xiaodan Zhang , Xingxing Hao , Dekui Wang , Ying He

High-Definition (HD) maps play a crucial role in autonomous vehicle navigation, complementing onboard perception sensors for improved accuracy and safety. Traditional HD map generation relies on dedicated mapping vehicles, which are costly…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Gamal Elghazaly , Raphael Frank