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Depth cameras have found applications in diverse fields, such as computer vision, artificial intelligence, and video gaming. However, the high latency and low frame rate of existing commodity depth cameras impose limitations on their…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Peyman Gholami , Robert Xiao

Perception systems for autonomous driving have seen significant advancements in their performance over last few years. However, these systems struggle to show robustness in extreme weather conditions because sensors like lidars and cameras,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Kshitiz Bansal , Keshav Rungta , Dinesh Bharadia

4D radar has received significant attention in autonomous driving thanks to its robustness under adverse weathers. Due to the sparse points and noisy measurements of the 4D radar, most of the research finish the 3D object detection task by…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Hanzhi Zhong , Zhiyu Xiang , Ruoyu Xu , Jingyun Fu , Peng Xu , Shaohong Wang , Zhihao Yang , Tianyu Pu , Eryun Liu

Driven by deep learning techniques, perception technology in autonomous driving has developed rapidly in recent years, enabling vehicles to accurately detect and interpret surrounding environment for safe and efficient navigation. To…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Shanliang Yao , Runwei Guan , Xiaoyu Huang , Zhuoxiao Li , Xiangyu Sha , Yong Yue , Eng Gee Lim , Hyungjoon Seo , Ka Lok Man , Xiaohui Zhu , Yutao Yue

Dense depth recovery is crucial in autonomous driving, serving as a foundational element for obstacle avoidance, 3D object detection, and local path planning. Adverse weather conditions, including haze, dust, rain, snow, and darkness,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Han Li , Yukai Ma , Yuehao Huang , Yaqing Gu , Weihua Xu , Yong Liu , Xingxing Zuo

In this paper, we explore the possibility of achieving a more accurate depth estimation by fusing monocular images and Radar points using a deep neural network. We give a comprehensive study of the fusion between RGB images and Radar…

Computer Vision and Pattern Recognition · Computer Science 2020-10-02 Juan-Ting Lin , Dengxin Dai , Luc Van Gool

This work proposes a method for depth completion of sparse LiDAR data using a convolutional neural network which can be used to generate semi-dense depth maps and "almost" full 3D point-clouds with significantly lower root mean squared…

Computer Vision and Pattern Recognition · Computer Science 2019-09-23 Hamid Hekmatian , Jingfu Jin , Samir Al-Stouhi

Previous works have shown that face recognition with high accurate 3D data is more reliable and insensitive to pose and illumination variations. Recently, low-cost and portable 3D acquisition techniques like ToF(Time of Flight) and DoE…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Yang Tan , Hongxin Lin , Zelin Xiao , Shengyong Ding , Hongyang Chao

Camouflaged object detection (COD) presents a persistent challenge in accurately identifying objects that seamlessly blend into their surroundings. However, most existing COD models overlook the fact that visual systems operate within a…

Computer Vision and Pattern Recognition · Computer Science 2024-05-12 Xinran Liua , Lin Qia , Yuxuan Songa , Qi Wen

Confidence-aware learning is proven as an effective solution to prevent networks becoming overconfident. We present a confidence-aware camouflaged object detection framework using dynamic supervision to produce both accurate camouflage map…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Jiawei Liu , Jing Zhang , Nick Barnes

With the increasing availability of consumer depth sensors, 3D face recognition (FR) has attracted more and more attention. However, the data acquired by these sensors are often coarse and noisy, making them impractical to use directly. In…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Ruizhuo Xu , Ke Wang , Chao Deng , Mei Wang , Xi Chen , Wenhui Huang , Junlan Feng , Weihong Deng

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

4D millimeter-wave (mmWave) radar has been widely adopted in autonomous driving and robot perception due to its low cost and all-weather robustness. However, point-cloud-based radar representations suffer from information loss due to…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Runwei Guan , Jianan Liu , Shaofeng Liang , Fangqiang Ding , Shanliang Yao , Xiaokai Bai , Daizong Liu , Tao Huang , Guoqiang Mao , Hui Xiong

4D radar super-resolution, which aims to reconstruct sparse and noisy point clouds into dense and geometrically consistent representations, is a foundational problem in autonomous perception. However, existing methods often suffer from high…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Minqing Huang , Shouyi Lu , Boyuan Zheng , Ziyao Li , Xiao Tang , Guirong Zhuo

We integrate sparse radar data into a monocular depth estimation model and introduce a novel preprocessing method for reducing the sparseness and limited field of view provided by radar. We explore the intrinsic error of different radar…

Image and Video Processing · Electrical Eng. & Systems 2022-03-01 Chen-Chou Lo , Patrick Vandewalle

Monocular depth estimation from RGB images plays a pivotal role in 3D vision. However, its accuracy can deteriorate in challenging environments such as nighttime or adverse weather conditions. While long-wave infrared cameras offer stable…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Jialei Xu , Xianming Liu , Junjun Jiang , Kui Jiang , Rui Li , Kai Cheng , Xiangyang Ji

Automotive traffic scenes are complex due to the variety of possible scenarios, objects, and weather conditions that need to be handled. In contrast to more constrained environments, such as automated underground trains, automotive…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Felix Nobis , Ehsan Shafiei , Phillip Karle , Johannes Betz , Markus Lienkamp

Robust perception is a vital component for ensuring safe autonomous and assisted driving. Automotive radar (77 to 81 GHz), which offers weather-resilient sensing, provides a complementary capability to the vision- or LiDAR-based autonomous…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Jen-Hao Cheng , Sheng-Yao Kuan , Hugo Latapie , Gaowen Liu , Jenq-Neng Hwang

Depth estimation, as a necessary clue to convert 2D images into the 3D space, has been applied in many machine vision areas. However, to achieve an entire surrounding 360-degree geometric sensing, traditional stereo matching algorithms for…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Keyang Zhou , Kailun Yang , Kaiwei Wang

Explicitly modeling room background depth as a geometric constraint has proven effective for panoramic depth estimation. However, reconstructing this background depth for regular enclosed regions in a complex indoor scene without external…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Kanglin Ning , Ruzhao Chen , Penghong Wang , Xingtao Wang , Ruiqin Xiong , Xiaopeng Fan