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Light detection and ranging (LiDAR) have emerged as a crucial tool for high-resolution 3D imaging, particularly in autonomous vehicles, remote sensing, and augmented reality. However, the increasing demand for faster acquisition speed and…

Optics · Physics 2025-07-28 Yixiu Shen , Zi Heng Lim , Guangya Zhou

Modern smartphones are equipped with Lidar sensors providing depth-sensing capabilities. Recent works have shown that this complementary sensor allows to improve various tasks in image processing, including deblurring. However, there is a…

Image and Video Processing · Electrical Eng. & Systems 2025-09-12 Antonio Montanaro , Diego Valsesia

Deploying advanced imaging solutions to robotic and autonomous systems by mimicking human vision requires simultaneous acquisition of multiple fields of views, named the peripheral and fovea regions. Low-resolution peripheral field provides…

Single-photon light detection and ranging (LiDAR) is a key technology for depth imaging through complex environments. Despite recent advances, an open challenge is the ability to isolate the LiDAR signal from other spurious sources…

Quantum Physics · Physics 2021-05-18 Jiuxuan Zhao , Ashley Lyons , Arin Can Ulku , Hugo Defienne , Daniele Faccio , Edoardo Charbon

Modern lidar systems can produce not only dense point clouds but also 360 degrees low-resolution images. This advancement facilitates the application of deep learning (DL) techniques initially developed for conventional RGB cameras and…

Robotics · Computer Science 2025-04-18 Sier Ha , Honghao Du , Xianjia Yu , Jian Song , Tomi Westerlund

Recently, privacy has a growing importance in several domains, especially in street-view images. The conventional way to achieve this is to automatically detect and blur sensitive information from these images. However, the processing cost…

Computer Vision and Pattern Recognition · Computer Science 2019-03-14 Clint Sebastian , Bas Boom , Egor Bondarev , Peter H. N. de With

With the widespread application of Light Detection and Ranging (LiDAR) technology in fields such as autonomous driving, robot navigation, and terrain mapping, the importance of edge detection in LiDAR images has become increasingly…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Haowei Yang , Liyang Wang , Jingyu Zhang , Yu Cheng , Ao Xiang

LiDAR (Light Detection And Ranging) is an indispensable sensor for precise long- and wide-range 3D sensing, which directly benefited the recent rapid deployment of autonomous driving (AD). Meanwhile, such a safety-critical application…

Cryptography and Security · Computer Science 2024-02-09 Takami Sato , Yuki Hayakawa , Ryo Suzuki , Yohsuke Shiiki , Kentaro Yoshioka , Qi Alfred Chen

Recent advancements in lidar technology have led to improved point cloud resolution as well as the generation of 360 degrees, low-resolution images by encoding depth, reflectivity, or near-infrared light within each pixel. These images…

Robotics · Computer Science 2025-05-06 Sier Ha , Honghao Du , Xianjia Yu , Tomi Westerlund

Matting with a static background, often referred to as ``Background Matting" (BGM), has garnered significant attention within the computer vision community due to its pivotal role in various practical applications like webcasting and photo…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Hanxi Li , Guofeng Li , Bo Li , Lin Wu , Yan Cheng

The rise of portable Lidar instruments, including their adoption in smartphones, opens the door to novel computational imaging techniques. Being an active sensing instrument, Lidar can provide complementary data to passive optical sensors,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Ziyao Yi , Diego Valsesia , Tiziano Bianchi , Enrico Magli

3D object detection is an essential task in autonomous driving. Recent techniques excel with highly accurate detection rates, provided the 3D input data is obtained from precise but expensive LiDAR technology. Approaches based on cheaper…

Computer Vision and Pattern Recognition · Computer Science 2020-02-25 Yan Wang , Wei-Lun Chao , Divyansh Garg , Bharath Hariharan , Mark Campbell , Kilian Q. Weinberger

Light detection and ranging (LiDAR) has been widely used in autonomous driving and large-scale manufacturing. Although state-of-the-art scanning LiDAR can perform long-range three-dimensional imaging, the frame rate is limited by both…

Optics · Physics 2021-03-10 Zihan Zang , Zhi Li , Yi Luo , Yanjun Han , Xuanyi Liu , H. Y. Fu

The incorporation of LiDAR technology into some high-end smartphones has unlocked numerous possibilities across various applications, including photography, image restoration, augmented reality, and more. In this paper, we introduce a novel…

Image and Video Processing · Electrical Eng. & Systems 2024-06-28 Alessandro Gnutti , Stefano Della Fiore , Mattia Savardi , Yi-Hsin Chen , Riccardo Leonardi , Wen-Hsiao Peng

Light detection and ranging (LiDAR) is a ubiquitous tool to provide precise spatial awareness in various perception environments. A bionic LiDAR that can mimic human-like vision by adaptively gazing at selected regions of interest within a…

Three-dimensional imaging plays an important role in imaging applications where it is necessary to record depth. The number of applications that use depth imaging is increasing rapidly, and examples include self-driving autonomous vehicles…

Image and Video Processing · Electrical Eng. & Systems 2021-04-21 Alice Ruget , Stephen McLaughlin , Robert K. Henderson , Istvan Gyongy , Abderrahim Halimi , Jonathan Leach

In this paper, we developed the solution of roadside LiDAR object detection using a combination of two unsupervised learning algorithms. The 3D point clouds are firstly converted into spherical coordinates and filled into the…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Tianya Zhang , Peter J. Jin

With the advancement of computing resources, an increasing number of Neural Networks (NNs) are appearing for image detection and segmentation appear. However, these methods usually accept as input a RGB 2D image. On the other side, Light…

Image and Video Processing · Electrical Eng. & Systems 2025-01-27 Ignacio de Loyola Páez-Ubieta , Edison P. Velasco-Sánchez , Santiago T. Puente

The proposal of Pseudo-Lidar representation has significantly narrowed the gap between visual-based and active Lidar-based 3D object detection. However, current researches exclusively focus on pushing the accuracy improvement of…

Computer Vision and Pattern Recognition · Computer Science 2022-06-29 Haitao Meng , Changcai Li , Gang Chen , Alois Knoll

We present a real-time, non-learning depth estimation method that fuses Light Detection and Ranging (LiDAR) data with stereo camera input. Our approach comprises three key techniques: Semi-Global Matching (SGM) stereo with Discrete…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Yasuhiro Yao , Ryoichi Ishikawa , Takeshi Oishi
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