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The strong demand of autonomous driving in the industry has lead to strong interest in 3D object detection and resulted in many excellent 3D object detection algorithms. However, the vast majority of algorithms only model single-frame data,…

计算机视觉与模式识别 · 计算机科学 2020-11-30 Zhenxun Yuan , Xiao Song , Lei Bai , Wengang Zhou , Zhe Wang , Wanli Ouyang

Camera-radar fusion offers a robust and low-cost alternative to Camera-lidar fusion for the 3D object detection task in real-time under adverse weather and lighting conditions. However, currently, in the literature, it is possible to find…

计算机视觉与模式识别 · 计算机科学 2025-10-02 Ruan Bispo , Dane Mitrev , Letizia Mariotti , Clément Botty , Denver Humphrey , Anthony Scanlan , Ciarán Eising

Point cloud sequences are commonly used to accurately detect 3D objects in applications such as autonomous driving. Current top-performing multi-frame detectors mostly follow a Detect-and-Fuse framework, which extracts features from each…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Chenhang He , Ruihuang Li , Yabin Zhang , Shuai Li , Lei Zhang

Point-spread-function (PSF) engineering is a well-established computational imaging technique that uses phase masks and other optical elements to embed extra information (e.g., depth) into the images captured by conventional CMOS image…

计算机视觉与模式识别 · 计算机科学 2024-06-14 Sachin Shah , Matthew Albert Chan , Haoming Cai , Jingxi Chen , Sakshum Kulshrestha , Chahat Deep Singh , Yiannis Aloimonos , Christopher Metzler

A well-designed fine-grained categorization system usually has three contradictory requirements: accuracy (the ability to identify objects among subordinate categories); interpretability (the ability to provide human-understandable…

计算机视觉与模式识别 · 计算机科学 2016-10-05 Shaoli Huang , Dacheng Tao

In recent years 3D object detection from LiDAR point clouds has made great progress thanks to the development of deep learning technologies. Although voxel or point based methods are popular in 3D object detection, they usually involve…

计算机视觉与模式识别 · 计算机科学 2022-07-18 Jiaqi Gu , Zhiyu Xiang , Pan Zhao , Tingming Bai , Lingxuan Wang , Xijun Zhao , Zhiyuan Zhang

Fourier features based positional encoding (PE) is commonly used in machine learning tasks that involve learning high-frequency features from low-dimensional inputs, such as 3D view synthesis and time series regression with neural tangent…

机器学习 · 计算机科学 2024-07-18 Chuanhao Sun , Zhihang Yuan , Kai Xu , Luo Mai , N. Siddharth , Shuo Chen , Mahesh K. Marina

In the area of 3D shape analysis, the geometric properties of a shape have long been studied. Instead of directly extracting representative features using expert-designed descriptors or end-to-end deep neural networks, this paper is…

计算机视觉与模式识别 · 计算机科学 2021-12-22 Zongji Wang , Yunfei Liu , Feng Lu

Deploying radar object detection models on resource-constrained edge devices like the Raspberry Pi poses significant challenges due to the large size of the model and the limited computational power and the memory of the Pi. In this work,…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Gayathri Dandugula , Santhosh Boddana , Sudesh Mirashi

State-of-the-art LiDAR-camera 3D object detectors usually focus on feature fusion. However, they neglect the factor of depth while designing the fusion strategy. In this work, we are the first to observe that different modalities play…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Mingqian Ji , Jian Yang , Shanshan Zhang

We propose BEV-Patch-PF, a GPS-free sequential geo-localization system that integrates a particle filter with learned bird's-eye-view (BEV) and aerial feature maps. From onboard RGB and depth images, we construct a BEV feature map. For each…

A long-standing challenge in multiple-particle-tracking is the accurate and precise 3D localization of individual particles at close proximity. One established approach for snapshot 3D imaging is point-spread-function (PSF) engineering, in…

图像与视频处理 · 电气工程与系统科学 2020-10-01 Elias Nehme , Boris Ferdman , Lucien E. Weiss , Tal Naor , Daniel Freedman , Tomer Michaeli , Yoav Shechtman

In this paper, we present new feature encoding methods for Detection of 3D objects in point clouds. We used a graph neural network (GNN) for Detection of 3D objects namely cars, pedestrians, and cyclists. Feature encoding is one of the…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Md Afzal Ansari , Md Meraz , Pavan Chakraborty , Mohammed Javed

LiDAR-based 3D object detectors often struggle to detect far-field objects due to the sparsity of point clouds at long ranges, which limits the availability of reliable geometric cues. To address this, prior approaches augment LiDAR data…

计算机视觉与模式识别 · 计算机科学 2026-02-09 Veerain Sood , Bnalin , Gaurav Pandey

Automatic feature engineering is an effective approach for improving predictive performance in tabular learning. However, expand-and-reduce methods, such as OpenFE, become increasingly computationally expensive as the input dimensionality…

机器学习 · 统计学 2026-05-01 Minhee Park , Seongyeon Son , Yonghyun Lee , Eunchan Kim

Multimodal 3D object detection has garnered considerable interest in autonomous driving. However, multimodal detectors suffer from dimension mismatches that derive from fusing 3D points with 2D pixels coarsely, which leads to sub-optimal…

计算机视觉与模式识别 · 计算机科学 2025-01-09 Guoxin Zhang , Ziying Song , Lin Liu , Zhonghong Ou

Point clouds are a key modality used for perception in autonomous vehicles, providing the means for a robust geometric understanding of the surrounding environment. However despite the sensor outputs from autonomous vehicles being naturally…

计算机视觉与模式识别 · 计算机科学 2021-12-03 Joshua Knights , Peyman Moghadam , Clinton Fookes , Sridha Sridharan

Point-spread-function (PSF) engineering is a powerful computational imaging techniques wherein a custom phase mask is integrated into an optical system to encode additional information into captured images. Used in combination with deep…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Sachin Shah , Sakshum Kulshrestha , Christopher A. Metzler

Recent deep networks that directly handle points in a point set, e.g., PointNet, have been state-of-the-art for supervised learning tasks on point clouds such as classification and segmentation. In this work, a novel end-to-end deep…

计算机视觉与模式识别 · 计算机科学 2018-04-04 Yaoqing Yang , Chen Feng , Yiru Shen , Dong Tian

Deploying large Transformer-based vision models on resource-limited mobile devices at network edge is severely constrained by hardware limitations and dynamic wireless environments. While federated learning (FL) enables collaborative…

分布式、并行与集群计算 · 计算机科学 2026-05-27 Xianke Qiang , Zheng Chang , Geyong Min