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The recently proposed pseudo-LiDAR based 3D detectors greatly improve the benchmark of monocular/stereo 3D detection task. However, the underlying mechanism remains obscure to the research community. In this paper, we perform an in-depth…

Computer Vision and Pattern Recognition · Computer Science 2020-08-12 Xinzhu Ma , Shinan Liu , Zhiyi Xia , Hongwen Zhang , Xingyu Zeng , Wanli Ouyang

Fusion of LiDAR and RGB data has the potential to enhance outdoor 3D object detection accuracy. To address real-world challenges in outdoor 3D object detection, fusion of LiDAR and RGB input has started gaining traction. However, effective…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Muhammad Ibrahim , Naveed Akhtar , Haitian Wang , Saeed Anwar , Ajmal Mian

Monocular image-based 3D perception has become an active research area in recent years owing to its applications in autonomous driving. Approaches to monocular 3D perception including detection and tracking, however, often yield inferior…

Computer Vision and Pattern Recognition · Computer Science 2022-06-09 Longlong Jing , Ruichi Yu , Henrik Kretzschmar , Kang Li , Charles R. Qi , Hang Zhao , Alper Ayvaci , Xu Chen , Dillon Cower , Yingwei Li , Yurong You , Han Deng , Congcong Li , Dragomir Anguelov

The CGI (CGI) has the potential of low cost, low dose, and high resolution, which is very attractive for the development of radiation imaging field. However, many sub-coding plates must be used in the modulation process, which greatly…

Medical Physics · Physics 2023-11-02 Zhi Zhou , Sangang Li , Shan Liao , Sirun Gong , Rongrong Su , Chuxiang Zhao , Li Yang , Qi Liu , Yucheng Yan , Mingzhe Liu , Yi Cheng

In recent years, multiple Light Detection and Ranging (LiDAR) systems have grown in popularity due to their enhanced accuracy and stability from the increased field of view (FOV). However, integrating multiple LiDARs can be challenging,…

Robotics · Computer Science 2023-11-08 Minwoo Jung , Sangwoo Jung , Ayoung Kim

Aiming at highly accurate object detection for connected and automated vehicles (CAVs), this paper presents a Deep Neural Network based 3D object detection model that leverages a three-stage feature extractor by developing a novel…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Yiming Hou , Mahdi Rezaei , Richard Romano

Temporal Ghost Imaging (TGI), which reconstructs fast temporal signals using a slow detector, holds significant potential in optical communication, high-speed imaging, and quantum information processing. However, achieving high-quality…

A simple and robust experiment demonstrating computational ghost imaging with structured illumination and a single-pixel detector has been performed. Our experimental setup utilizes a general computer for generating pseudo-randomly patterns…

Optics · Physics 2015-02-10 Lijun Song , Cheng Zhou , Li Chen , Xiaoguang Wang , Jing Cheng

For 3D object detection, both camera and lidar have been demonstrated to be useful sensory devices for providing complementary information about the same scenery with data representations in different modalities, e.g., 2D RGB image vs 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Xinhao Xiang , Jiawei Zhang

This paper presents a compact and accurate representation of 3D scenes that are observed by a LiDAR sensor and a monocular camera. The proposed method is based on the well-established Stixel model originally developed for stereo vision…

Computer Vision and Pattern Recognition · Computer Science 2018-09-28 Florian Piewak , Peter Pinggera , Markus Enzweiler , David Pfeiffer , Marius Zöllner

Correlation plenoptic imaging (CPI) is a light-field imaging technique employing intensity correlation measurements to simultaneously detect the spatial distribution and the propagation direction of light. Compared to standard methods, in…

Single-Photon Light Detection and Ranging (SP-LiDAR is emerging as a leading technology for long-range, high-precision 3D vision tasks. In SP-LiDAR, timestamps encode two complementary pieces of information: pulse travel time (depth) and…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Hashan K. Weerasooriya , Prateek Chennuri , Weijian Zhang , Istvan Gyongy , Stanley H. Chan

This paper presents a LiDAR-based object detection system with real-time voice specifications, integrating KITTI's 3D point clouds and RGB images through a multi-modal PointNet framework. It achieves 87.0% validation accuracy on a…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Anurag Kulkarni

In this paper, we present a parallel architecture for a sensor fusion detection system that combines a camera and 1D light detection and ranging (lidar) sensor for object detection. The system contains two object detection methods, one…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 I-Hsi Kao , Ya-Zhu Yian , Jian-An Su , Yi-Horng Lai , Jau-Woei Perng , Tung-Li Hsieh , Yi-Shueh Tsai , Min-Shiu Hsieh

Coherent diffractive imaging has enabled the structural analysis of individual free nanoparticles in a single shot and offers the tracking of their light induced dynamics with unprecedented spatial and temporal resolution. The retrieval of…

Optics · Physics 2020-05-07 Björn Kruse , Benjamin Liewehr , Christian Peltz , Thomas Fennel

Coherent beam combination is one promising way to overcome the power limit of one single laser. In this paper, we use a Multi-Plane Light Converter to combine 12 fibers at 1.03 micron with a phase locking setup. The overall loss measurement…

LiDAR-camera fusion can enhance the performance of 3D object detection by utilizing complementary information between depth-aware LiDAR points and semantically rich images. Existing voxel-based methods face significant challenges when…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Ziying Song , Guoxin Zhang , Jun Xie , Lin Liu , Caiyan Jia , Shaoqing Xu , Zhepeng Wang

We exploit geometric properties of quantum states of light in optical cavities to carry out quantum non-demolition measurements. We generalize the 'mode invisibility' method to obtain information about the Wigner function of a squeezed…

Quantum Physics · Physics 2014-10-22 Marvellous Onuma-Kalu , Robert B. Mann , Eduardo Martin-Martinez

Coherent diffractive imaging is a technique that recovers the sample image by numerically inverting its diffraction pattern. We propose a generalization of this method for the inversion of multi-wavelength data. Using this approach, we show…

Optics · Physics 2020-05-08 Erik Malm , Edwin Fohtung , Anders Mikkelsen

In modern correlation imaging systems, also known as ghost imaging (GI), particularly under low-light or noisy conditions, preserving high image fidelity presents a significant challenge. This paper introduces an innovative approach by…

Optics · Physics 2026-03-02 Hao Jiang , Shuang Liu , Chentao Yue , Zihuai Lin