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Center-aligned regression remains dominant in LiDAR-based 3D object detection, yet it suffers from fundamental instability: object centers often fall in sparse or empty regions of the bird's-eye-view (BEV) due to the front-surface-biased…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Qinghao Meng , Junbo Yin , Jianbing Shen , Yunde Jia

In this paper, we propose a novel form of the loss function to increase the performance of LiDAR-based 3d object detection and obtain more explainable and convincing uncertainty for the prediction. The loss function was designed using…

Computer Vision and Pattern Recognition · Computer Science 2020-08-19 Hujie Pan , Zining Wang , Wei Zhan , Masayoshi Tomizuka

Quantifying a model's predictive uncertainty is essential for safety-critical applications such as autonomous driving. We consider quantifying such uncertainty for multi-object detection. In particular, we leverage conformal prediction to…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Alexander Timans , Christoph-Nikolas Straehle , Kaspar Sakmann , Eric Nalisnick

We present a method for 3D object detection and pose estimation from a single image. In contrast to current techniques that only regress the 3D orientation of an object, our method first regresses relatively stable 3D object properties…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Arsalan Mousavian , Dragomir Anguelov , John Flynn , Jana Kosecka

While 2D object detection has improved significantly over the past, real world applications of computer vision often require an understanding of the 3D layout of a scene. Many recent approaches to 3D detection use LiDAR point clouds for…

Computer Vision and Pattern Recognition · Computer Science 2020-11-20 Jihao Andreas Lin , Jakob Brünker , Daniel Fährmann

In many safety-critical applications such as autonomous driving and surgical robots, it is desirable to obtain prediction uncertainties from object detection modules to help support safe decision-making. Specifically, such modules need to…

Machine Learning · Computer Science 2018-11-29 Buu Phan , Rick Salay , Krzysztof Czarnecki , Vahdat Abdelzad , Taylor Denouden , Sachin Vernekar

This work presents a probabilistic deep neural network that combines LiDAR point clouds and RGB camera images for robust, accurate 3D object detection. We explicitly model uncertainties in the classification and regression tasks, and…

Robotics · Computer Science 2020-02-04 Di Feng , Yifan Cao , Lars Rosenbaum , Fabian Timm , Klaus Dietmayer

Uncertainty estimation is important for ensuring safety and robustness of AI systems. While most research in the area has focused on un-structured prediction tasks, limited work has investigated general uncertainty estimation approaches for…

Machine Learning · Statistics 2021-02-12 Andrey Malinin , Mark Gales

We present an efficient 3D object detection framework based on a single RGB image in the scenario of autonomous driving. Our efforts are put on extracting the underlying 3D information in a 2D image and determining the accurate 3D bounding…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Buyu Li , Wanli Ouyang , Lu Sheng , Xingyu Zeng , Xiaogang Wang

3D object detection is one of the most important tasks in 3D vision perceptual system of autonomous vehicles. In this paper, we propose a novel two stage 3D object detection method aimed at get the optimal solution of object location in 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-09-05 Jiaojiao Fang , Lingtao Zhou , Guizhong Liu

Safety is still the main issue of autonomous driving, and in order to be globally deployed, they need to predict pedestrians' motions sufficiently in advance. While there is a lot of research on coarse-grained (human center prediction) and…

Computer Vision and Pattern Recognition · Computer Science 2022-06-29 Saeed Saadatnejad , Yi Zhou Ju , Alexandre Alahi

Unsupervised 3D object detection aims to identify objects of interest from unlabeled raw data, such as LiDAR points. Recent approaches usually adopt pseudo 3D bounding boxes (3D bboxes) from clustering algorithm to initialize the model…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Ruiyang Zhang , Hu Zhang , Hang Yu , Zhedong Zheng

Large-scale object detection datasets (e.g., MS-COCO) try to define the ground truth bounding boxes as clear as possible. However, we observe that ambiguities are still introduced when labeling the bounding boxes. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2019-04-18 Yihui He , Chenchen Zhu , Jianren Wang , Marios Savvides , Xiangyu Zhang

In model-based reinforcement learning, simulated experiences from the learned model are often treated as equivalent to experience from the real environment. However, when the model is inaccurate, it can catastrophically interfere with…

Machine Learning · Computer Science 2024-06-25 Erin J. Talvitie , Zilei Shao , Huiying Li , Jinghan Hu , Jacob Boerma , Rory Zhao , Xintong Wang

Significant uncertainty in climate prediction and cloud physics is tied to observational gaps relating to shallow scattered clouds. Addressing these challenges requires remote sensing of their three-dimensional (3D) heterogeneous volumetric…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Roi Ronen , Ilan Koren , Aviad Levis , Eshkol Eytan , Vadim Holodovsky , Yoav Y. Schechner

The availability of real-world datasets is the prerequisite for developing object detection methods for autonomous driving. While ambiguity exists in object labels due to error-prone annotation process or sensor observation noises, current…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Zining Wang , Di Feng , Yiyang Zhou , Lars Rosenbaum , Fabian Timm , Klaus Dietmayer , Masayoshi Tomizuka , Wei Zhan

In this paper, we propose an advanced methodology for the detection of 3D objects and precise estimation of their spatial positions from a single image. Unlike conventional frameworks that rely solely on center-point and dimension…

Computer Vision and Pattern Recognition · Computer Science 2024-01-04 Dhyey Manish Rajani , Surya Pratap Singh , Rahul Kashyap Swayampakula

Dense prediction tasks are common for 3D point clouds, but the uncertainties inherent in massive points and their embeddings have long been ignored. In this work, we present CUE, a novel uncertainty estimation method for dense prediction…

Robotics · Computer Science 2023-02-28 Kaiwen Cai , Chris Xiaoxuan Lu , Xiaowei Huang

Head-pose estimation has many applications, such as social event analysis, human-robot and human-computer interaction, driving assistance, and so forth. Head-pose estimation is challenging because it must cope with changing illumination…

Computer Vision and Pattern Recognition · Computer Science 2017-03-09 Vincent Drouard , Radu Horaud , Antoine Deleforge , Silèye Ba , Georgios Evangelidis

In autonomous driving, recent research has increasingly focused on collaborative perception based on deep learning to overcome the limitations of individual perception systems. Although these methods achieve high accuracy, they rely on high…

Robotics · Computer Science 2025-07-04 Maryem Fadili , Mohamed Anis Ghaoui , Louis Lecrosnier , Steve Pechberti , Redouane Khemmar
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