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相关论文: Focal Loss in 3D Object Detection

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The goal of open-vocabulary detection is to identify novel objects based on arbitrary textual descriptions. In this paper, we address open-vocabulary 3D point-cloud detection by a dividing-and-conquering strategy, which involves: 1)…

计算机视觉与模式识别 · 计算机科学 2023-05-18 Yuheng Lu , Chenfeng Xu , Xiaobao Wei , Xiaodong Xie , Masayoshi Tomizuka , Kurt Keutzer , Shanghang Zhang

Recent camera-based 3D object detection is limited by the precision of transforming from image to 3D feature spaces, as well as the accuracy of object localization within the 3D space. This paper aims to address such a fundamental problem…

计算机视觉与模式识别 · 计算机科学 2024-02-08 Chaoqun Wang , Yiran Qin , Zijian Kang , Ningning Ma , Ruimao Zhang

This work aims to address the challenges in autonomous driving by focusing on the 3D perception of the environment using roadside LiDARs. We design a 3D object detection model that can detect traffic participants in roadside LiDARs in…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Walter Zimmer , Jialong Wu , Xingcheng Zhou , Alois C. Knoll

Object detection in 3D point clouds is a crucial task in a range of computer vision applications including robotics, autonomous cars, and augmented reality. This work addresses the object detection task in 3D point clouds using a highly…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Sultan Abu Ghazal , Jean Lahoud , Rao Anwer

Robust 3D object detection remains a pivotal concern in the domain of autonomous field robotics. Despite notable enhancements in detection accuracy across standard datasets, real-world urban environments, characterized by their unstructured…

机器人学 · 计算机科学 2024-05-14 Houze Liu , Chongqing Wang , Xiaoan Zhan , Haotian Zheng , Chang Che

Self-driving cars must detect vehicles, pedestrians, and other traffic participants accurately to operate safely. Small, far-away, or highly occluded objects are particularly challenging because there is limited information in the LiDAR…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Yurong You , Katie Z Luo , Xiangyu Chen , Junan Chen , Wei-Lun Chao , Wen Sun , Bharath Hariharan , Mark Campbell , Kilian Q. Weinberger

A significant challenge in object detection is accurate identification of an object's position in image space, whereas one algorithm with one set of parameters is usually not enough, and the fusion of multiple algorithms and/or parameters…

计算机视觉与模式识别 · 计算机科学 2018-03-20 Pan Wei , John E. Ball , Derek T. Anderson

Monocular 3D object detection, with the aim of predicting the geometric properties of on-road objects, is a promising research topic for the intelligent perception systems of autonomous driving. Most state-of-the-art methods follow a…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Tianze Gao , Huihui Pan , Huijun Gao

Leveraging multi-modal fusion, especially between camera and LiDAR, has become essential for building accurate and robust 3D object detection systems for autonomous vehicles. Until recently, point decorating approaches, in which point…

计算机视觉与模式识别 · 计算机科学 2023-04-28 Philip Jacobson , Yiyang Zhou , Wei Zhan , Masayoshi Tomizuka , Ming C. Wu

Estimating 3D bounding boxes from monocular images is an essential component in autonomous driving, while accurate 3D object detection from this kind of data is very challenging. In this work, by intensive diagnosis experiments, we quantify…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Xinzhu Ma , Yinmin Zhang , Dan Xu , Dongzhan Zhou , Shuai Yi , Haojie Li , Wanli Ouyang

Since manual object detection is very inaccurate and time consuming, some automatic object detection tools have been developed in recent years. At the moment, there is no image analysis software available which provides an automatic,…

计算机视觉与模式识别 · 计算机科学 2016-01-07 Ramin Norousi , Volker J. Schmid

Most of object detection algorithms can be categorized into two classes: two-stage detectors and one-stage detectors. Recently, many efforts have been devoted to one-stage detectors for the simple yet effective architecture. Different from…

计算机视觉与模式识别 · 计算机科学 2020-04-14 Qi Qian , Lei Chen , Hao Li , Rong Jin

To determine the 3D orientation and 3D location of objects in the surroundings of a camera mounted on a robot or mobile device, we developed two powerful algorithms in object detection and temporal tracking that are combined seamlessly for…

计算机视觉与模式识别 · 计算机科学 2017-09-06 David Joseph Tan , Nassir Navab , Federico Tombari

Object counting and localization are key steps for quantitative analysis in large-scale microscopy applications. This procedure becomes challenging when target objects are overlapping, are densely clustered, and/or present fuzzy boundaries.…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Shijie Li , Thomas Ach , Guido Gerig

The dominant multi-camera 3D detection paradigm is based on explicit 3D feature construction, which requires complicated indexing of local image-view features via 3D-to-2D projection. Other methods implicitly introduce geometric positional…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Shihao Wang , Xiaohui Jiang , Ying Li

In this survey, we first introduce the background of popular sensors used for self-driving, their data properties, and the corresponding object detection algorithms. Next, we discuss existing datasets that can be used for evaluating…

计算机视觉与模式识别 · 计算机科学 2023-03-08 Yingjie Wang , Qiuyu Mao , Hanqi Zhu , Jiajun Deng , Yu Zhang , Jianmin Ji , Houqiang Li , Yanyong Zhang

LiDAR-based 3D detection plays a vital role in autonomous navigation. Surprisingly, although autonomous vehicles (AVs) must detect both near-field objects (for collision avoidance) and far-field objects (for longer-term planning),…

计算机视觉与模式识别 · 计算机科学 2023-08-09 Neehar Peri , Mengtian Li , Benjamin Wilson , Yu-Xiong Wang , James Hays , Deva Ramanan

We present a simple and flexible object detection framework optimized for autonomous driving. Building on the observation that point clouds in this application are extremely sparse, we propose a practical pillar-based approach to fix the…

计算机视觉与模式识别 · 计算机科学 2020-07-28 Yue Wang , Alireza Fathi , Abhijit Kundu , David Ross , Caroline Pantofaru , Thomas Funkhouser , Justin Solomon

For a long time, object detectors have suffered from extreme imbalance between foregrounds and backgrounds. While several sampling/reweighting schemes have been explored to alleviate the imbalance, they are usually heuristic and demand…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Joya Chen , Dong Liu , Bin Luo , Xuezheng Peng , Tong Xu , Enhong Chen

Accurate detection of objects in 3D point clouds is a central problem in many applications, such as autonomous navigation, housekeeping robots, and augmented/virtual reality. To interface a highly sparse LiDAR point cloud with a region…

计算机视觉与模式识别 · 计算机科学 2017-11-20 Yin Zhou , Oncel Tuzel