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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

In this work, we propose a new approach that combines data from multiple sensors for reliable obstacle avoidance. The sensors include two depth cameras and a LiDAR arranged so that they can capture the whole 3D area in front of the robot…

机器人学 · 计算机科学 2022-12-27 Thanh Nguyen Canh , Truong Son Nguyen , Cong Hoang Quach , Xiem HoangVan , Manh Duong Phung

The fusion of images taken by heterogeneous sensors helps to enrich the information and improve the quality of imaging. In this article, we present a hybrid model consisting of a convolutional encoder and a Transformer-based decoder to fuse…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Yu Yuan , Jiaqi Wu , Zhongliang Jing , Henry Leung , Han Pan

Real-time 3D object detection is crucial for autonomous cars. Achieving promising performance with high efficiency, voxel-based approaches have received considerable attention. However, previous methods model the input space with features…

计算机视觉与模式识别 · 计算机科学 2020-07-20 Jun Wang , Shiyi Lan , Mingfei Gao , Larry S. Davis

In this work, a deep learning approach has been developed to carry out road detection by fusing LIDAR point clouds and camera images. An unstructured and sparse point cloud is first projected onto the camera image plane and then upsampled…

计算机视觉与模式识别 · 计算机科学 2018-09-24 Luca Caltagirone , Mauro Bellone , Lennart Svensson , Mattias Wahde

In this paper, we present DAT, a Depth-Aware Transformer framework designed for camera-based 3D detection. Our model is based on observing two major issues in existing methods: large depth translation errors and duplicate predictions along…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Hao Zhang , Hongyang Li , Ailing Zeng , Feng Li , Shilong Liu , Xingyu Liao , Lei Zhang

With the prevalence of multimodal learning, camera-LiDAR fusion has gained popularity in 3D object detection. Although multiple fusion approaches have been proposed, they can be classified into either sparse-only or dense-only fashion based…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Yulu Gao , Chonghao Sima , Shaoshuai Shi , Shangzhe Di , Si Liu , Hongyang Li

Multi-label image classification is about predicting a set of class labels that can be considered as orderless sequential data. Transformers process the sequential data as a whole, therefore they are inherently good at set prediction. The…

计算机视觉与模式识别 · 计算机科学 2022-05-17 Vacit Oguz Yazici , Joost van de Weijer , Longlong Yu

In this paper, a multi-modal 360$^{\circ}$ framework for 3D object detection and tracking for autonomous vehicles is presented. The process is divided into four main stages. First, images are fed into a CNN network to obtain instance…

3D object detectors usually rely on hand-crafted proxies, e.g., anchors or centers, and translate well-studied 2D frameworks to 3D. Thus, sparse voxel features need to be densified and processed by dense prediction heads, which inevitably…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Yukang Chen , Jianhui Liu , Xiangyu Zhang , Xiaojuan Qi , Jiaya Jia

There are two critical sensors for 3D perception in autonomous driving, the camera and the LiDAR. The camera provides rich semantic information such as color, texture, and the LiDAR reflects the 3D shape and locations of surrounding…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Kaicheng Yu , Tang Tao , Hongwei Xie , Zhiwei Lin , Zhongwei Wu , Zhongyu Xia , Tingting Liang , Haiyang Sun , Jiong Deng , Dayang Hao , Yongtao Wang , Xiaodan Liang , Bing Wang

Point cloud segmentation is a fundamental task in 3D scene understanding. Its progress is constrained by the high cost and time required for dense 3D annotations, making labeled samples difficult to obtain. Beyond annotation scarcity,…

计算机视觉与模式识别 · 计算机科学 2026-05-29 Thenukan Pathmanathan , Kanchan Keisham , Thangarajah Akilan

Autonomous vehicles use multiple sensors, large deep-learning models, and powerful hardware platforms to perceive the environment and navigate safely. In many contexts, some sensing modalities negatively impact perception while increasing…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Arnav Vaibhav Malawade , Trier Mortlock , Mohammad Abdullah Al Faruque

Environmental perception with the multi-modal fusion of radar and camera is crucial in autonomous driving to increase accuracy, completeness, and robustness. This paper focuses on utilizing millimeter-wave (MMW) radar and camera sensor…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Taohua Zhou , Yining Shi , Junjie Chen , Kun Jiang , Mengmeng Yang , Diange Yang

We consider the problem of tracking multiple, unknown, and time-varying numbers of objects using a distributed network of heterogeneous sensors. In an effort to derive a formulation for practical settings, we consider limited and unknown…

多智能体系统 · 计算机科学 2024-09-12 Fei Chen , Hoa Van Nguyen , Alex S. Leong , Sabita Panicker , Robin Baker , Damith C. Ranasinghe

Camouflaged object detection (COD) aims to identify the objects that conceal themselves in natural scenes. Accurate COD suffers from a number of challenges associated with low boundary contrast and the large variation of object appearances,…

计算机视觉与模式识别 · 计算机科学 2022-07-28 Geng Chen , Si-Jie Liu , Yu-Jia Sun , Ge-Peng Ji , Ya-Feng Wu , Tao Zhou

We propose 3DETR, an end-to-end Transformer based object detection model for 3D point clouds. Compared to existing detection methods that employ a number of 3D-specific inductive biases, 3DETR requires minimal modifications to the vanilla…

计算机视觉与模式识别 · 计算机科学 2021-09-17 Ishan Misra , Rohit Girdhar , Armand Joulin

Multi-modal methods based on camera and LiDAR sensors have garnered significant attention in the field of 3D detection. However, many prevalent works focus on single or partial stage fusion, leading to insufficient feature extraction and…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Zhiwei Ning , Zhaojiang Liu , Xuanang Gao , Yifan Zuo , Jie Yang , Yuming Fang , Wei Liu

Multi-modal 3D object understanding has gained significant attention, yet current approaches often assume complete data availability and rigid alignment across all modalities. We present CrossOver, a novel framework for cross-modal 3D scene…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Sayan Deb Sarkar , Ondrej Miksik , Marc Pollefeys , Daniel Barath , Iro Armeni

Current crowd-counting models often rely on single-modal inputs, such as visual images or wireless signal data, which can result in significant information loss and suboptimal recognition performance. To address these shortcomings, we…

计算机视觉与模式识别 · 计算机科学 2025-04-30 Zhe Cui , Yuli Li , Le-Nam Tran