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Radar has gained much attention in autonomous driving due to its accessibility and robustness. However, its standalone application for depth perception is constrained by issues of sparsity and noise. Radar-camera depth estimation offers a…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Fuyi Zhang , Zhu Yu , Chunhao Li , Runmin Zhang , Xiaokai Bai , Zili Zhou , Si-Yuan Cao , Fang Wang , Hui-Liang Shen

This paper presents RAVEN, a computationally efficient deep learning architecture for FMCW radar perception. The method processes raw ADC data in a chirp-wise streaming manner, preserves MIMO structure through independent receiver…

Signal Processing · Electrical Eng. & Systems 2026-04-07 Anuvab Sen , Mir Sayeed Mohammad , Saibal Mukhopadhyay

Neural Radiance Fields (NeRFs) have shown promise in applications like view synthesis and depth estimation, but learning from multiview images faces inherent uncertainties. Current methods to quantify them are either heuristic or…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Lily Goli , Cody Reading , Silvia Sellán , Alec Jacobson , Andrea Tagliasacchi

Image segmentation is a powerful computer vision technique for scene understanding. However, real-world deployment is stymied by the need for high-quality, meticulously labeled datasets. Synthetic data provides high-quality labels while…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Edward Humes , Xiaomin Lin , Boxun Hu , Rithvik Jonna , Tinoosh Mohsenin

Semantic segmentation of aerial imagery is an important tool for mapping and earth observation. However, supervised deep learning models for segmentation rely on large amounts of high-quality labelled data, which is labour-intensive and…

Robotics · Computer Science 2022-09-05 Julius Rückin , Liren Jin , Federico Magistri , Cyrill Stachniss , Marija Popović

Deep learning models frequently encounter feature uncertainty in diverse learning scenarios, significantly impacting their performance and reliability. This challenge is particularly complex in multi-modal scenarios, where models must…

Machine Learning · Computer Science 2025-06-05 Jiahao Qin , Bei Peng , Feng Liu , Guangliang Cheng , Lu Zong

Future urban transportation concepts include a mixture of ground and air vehicles with varying degrees of autonomy in a congested environment. In such dynamic environments, occupancy maps alone are not sufficient for safe path planning.…

Robotics · Computer Science 2021-07-26 Ransalu Senanayake , Kyle Beltran Hatch , Jason Zheng , Mykel J. Kochenderfer

This research is motivated by a scenario where a group of UAVs is assigned to map an unknown scalar field, with the imperative of maintaining a safe distance from the sources of the field to evade detection or damage. The location of the…

Systems and Control · Electrical Eng. & Systems 2024-11-13 Muzaffar Qureshi , Tochukwu Elijah Ogri , Zachary I. Bell , Rushikesh Kamalapurkar

Radar is more resilient to adverse weather and lighting conditions than visual and Lidar simultaneous localization and mapping (SLAM). However, most radar SLAM pipelines still rely heavily on frame-to-frame odometry, which leads to…

Robotics · Computer Science 2026-04-16 Pou-Chun Kung , Yuan Tian , Zhengqin Li , Yue Liu , Eric Whitmire , Wolf Kienzle , Hrvoje Benko

Neural Radiance Fields from Sparse input} (NeRF-S) have shown great potential in synthesizing novel views with a limited number of observed viewpoints. However, due to the inherent limitations of sparse inputs and the gap between…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Yanqi Bao , Yuxin Li , Jing Huo , Tianyu Ding , Xinyue Liang , Wenbin Li , Yang Gao

This paper presents a groundbreaking approach - the first online automatic geometric calibration method for radar and camera systems. Given the significant data sparsity and measurement uncertainty in radar height data, achieving automatic…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Van-Tin Luu , Yon-Lin Cai , Vu-Hoang Tran , Wei-Chen Chiu , Yi-Ting Chen , Ching-Chun Huang

Radar shows great potential for autonomous driving by accomplishing long-range sensing under diverse weather conditions. But radar is also a particularly challenging sensing modality due to the radar noises. Recent works have made enormous…

Robotics · Computer Science 2022-01-19 Pou-Chun Kung , Chieh-Chih Wang , Wen-Chieh Lin

Radar offers unique advantages for localization in unstructured environments, including robustness to weather, lighting, and airborne particulates. While most prior work has studied radar odometry in urban, largely planar settings, its…

Neural radiance fields (NeRFs) are a deep learning technique that can generate novel views of 3D scenes using sparse 2D images from different viewing directions and camera poses. As an extension of conventional NeRFs in underwater…

Computational Engineering, Finance, and Science · Computer Science 2024-07-12 Haojie Lian , Xinhao Li , Yilin Qu , Jing Du , Zhuxuan Meng , Jie Liu , Leilei Chen

In this work, we present a novel non-rigid shape matching framework based on multi-resolution functional maps with spectral attention. Existing functional map learning methods all rely on the critical choice of the spectral resolution…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Lei Li , Nicolas Donati , Maks Ovsjanikov

Multifidelity uncertainty quantification (MF UQ) sampling approaches have been shown to significantly reduce the variance of statistical estimators while preserving the bias of the highest-fidelity model, provided that the low-fidelity…

Data Analysis, Statistics and Probability · Physics 2023-08-16 Xiaoshu Zeng , Gianluca Geraci , Michael S. Eldred , John D. Jakeman , Alex A. Gorodetsky , Roger Ghanem

Millimeter-wave (mmWave) radar is increasingly being considered as an alternative to optical sensors for robotic primitives like simultaneous localization and mapping (SLAM). While mmWave radar overcomes some limitations of optical sensors,…

Robotics · Computer Science 2024-04-30 Emerson Sie , Xinyu Wu , Heyu Guo , Deepak Vasisht

Millimeter-wave (mmWave) radar provides robust sensing under adverse conditions and can penetrate thin materials for non-visual perception in industrial and robotic settings. Recent work with MIMO mmWave radar has demonstrated its ability…

Signal Processing · Electrical Eng. & Systems 2026-04-03 Stefan Hägele , Adam Misik , Constantin Patsch , Eckehard Steinbach

Infrared and Visible Image Fusion (IVIF) has shown promise in visual tasks under challenging environments, but fusion under unregistered conditions faces inherent misalignments. Current studies to solve them either predict the deformation…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Xingyuan Li , Haoyuan Xu , Xingyue Zhu , Jun Ma , Yang Zou , Zhiying Jiang , Jinyuan Liu

The automotive mmWave radar plays a key role in advanced driver assistance systems (ADAS) and autonomous driving. Deep learning-based instance segmentation enables real-time object identification from the radar detection points. In the…

Computer Vision and Pattern Recognition · Computer Science 2023-02-07 Weiyi Xiong , Jianan Liu , Yuxuan Xia , Tao Huang , Bing Zhu , Wei Xiang