Contents
2019
Volume: 56 Issue 23
32 Article(s)

Export citation format
Atmospheric Optics and Oceanic Optics
Sensitivity Analysis of Atmospheric Delay Corrections for Satellite-Borne Laser Altimeter
Dan Jiang, Yuchu Qin, and Xiaoping Wang
Laser & Optoelectronics Progress
  • Publication Date: Nov. 28, 2019
  • Vol. 56, Issue 23, 230101 (2019)
Fiber Optics and Optical Communications
Image Processing
Aerial Image Stitching Algorithm for Unmanned Aerial Vehicles Based on Improved ORB and PROSAC
Zhenyu Li, Yuan Tian, Fangjie Chen, and Jun Han
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 231003 (2019)
BSCB Image Inpainting Algorithm Based on Rough Data Deduction
Zhaozhao Zhu, Ning Zhou, Yong Chen, and Xiaogang Wang
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 231005 (2019)
Design and Optimization of Deep Convolutional Neural Network for Aircraft Target Classification
Juncheng Ma, Hongdong Zhao, Dongxu Yang, and Qing Kang
Aiming at the problems of low classification accuracy and less classification types in the classification for aircraft targets by using conventional methods and neural networks, the feasibility of deep convolutional neural network (DCNN) models is studied. To match model capacity, avoid overfitting, and improve classif
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 231006 (2019)
Object Detection Model Based on Multi-Scale Feature Integration
Wanjun Liu, Feng Wang, and Haicheng Qu
To ensure detection speed and further improve object detection accuracy, a new model RF-YOLOv2 is proposed on the basis of the YOLOv2 model. In this new model, the KITTI data set is first clustered to select the most suitable number and size of candidate boxes. Next, a residual block structure is used to increase the n
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 231007 (2019)
Traffic Sign Detection and Recognition Under Complicated Lighting Conditions
Zhihua Qu, Yiming Shao, Tianmin Deng, Jie Zhu, and Xiaohua Song
Herein, we investigate solutions to address various problems, including the low detection precision and leak detection of the traffic signs, associated with the major detection algorithms under conditions of low illumination or intense variation of lighting. We propose an improved integrated Adaboost algorithm based on
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 231009 (2019)
Image Super-Resolution Reconstruction Method Using Dual Discriminator Based on Generative Adversarial Networks
Piaoyi Yuan, and Yaping Zhang
In this study, we propose a dual discriminator super-resolution reconstruction network (DDSRRN) that can improve the super-resolution reconstruction quality of images. By adding a discriminator based on generative adversarial networks, the DDSRRN combines the Kullback-Leibler (KL) divergence and reverse KL divergence i
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 231010 (2019)
Imaging Systems
Differential Standard Deviation Algorithm Based on Logarithmic Intensity of Multi-Frame B-Scan
[in Chinese], Xinyi Jiang, Yewen Pu, Lanlan Zhang, Yue Zhang, and Wanrong Gao
In this study, we report a novel method based on swept-source optical coherence tomography that involves the reconstruction of the three-dimensional structure of the human subcutaneous microvasculature. A handheld optical coherence tomography system that has been developed in our laboratory is employed as the human ski
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 231101 (2019)
Instrumentation, Measurement and Metrology
Cavern Capacity Calculation Using Terrestrial Lidar
Xiaojun Cheng, Xinxin Xiong, Zexin Yang, and Rongqi Yang
In this study, we propose an improved cavern capacity calculation model to address the defects of existing point cloud methods. First, the cavern preprocessed point cloud is sectioned into several point cloud slices from the bottom to the top along the height direction. For each slice, the contour points of two cross s
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 231201 (2019)
Analysis and Verification of Position Error of Reticle Stage Based on Planar Grating
Chunxiao Hao, Wentao Zhang, Xianying Wang, and Xunzhi Huang
To realize the horizontal positioning of a reticle stage with three degrees of freedom and high accuracy, it needs to establish an accurate multi-degree of freedom decoupling measurement model in the reticle-stage-measurement system. In this study, a two-dimensional diffraction planar grating is used to establish a ret
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 231202 (2019)
Lasers and Laser Optics
Design of Large-Core Yb∶YAG Crystal Waveguide
Dejiang Cheng, Xing Hu, Yongling Hui, Menghua Jiang, Hong Lei, and Qiang Li
Crystal waveguides prepared by adhesive-free bonding techniques demonstrate strong mode-limiting effects. In this paper, the crystal waveguide's single transverse mode condition is calculated in the context of mode competition. The single transverse mode thickness range of the core and inner cladding is obtained wh
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 231401 (2019)
Laser Paint Removal Process Parameter Optimization via Response Surface Methodology
Jianian Yang, Jianzhong Zhou, Qi Sun, Xiankai Meng, Ming Zhu, Zhaoheng Guo, and Qiang Fu
To study the laser cleaning process and optimize process parameters, a nanosecond pulse laser was used to perform laser cleaning experiments on the acrylic resin paint on the surface of a 304 stainless steel substrate. The surface morphology and elemental composition after paint removal were analyzed by using the scann
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 231402 (2019)
Numerical Simulation of Stress Field of Laser Phase Transformation Hardening Vermicular Graphite Cast Iron Based on Beam Discretization
Ming Pang, and Wendan Tan
Herein, the stress distribution state of laser phase transformation hardening vermicular graphite cast iron RuT300 is studied based on beam discretization using a constructed elastic-plastic constitutive model of the discrete laser phase transformation hardening RuT300. Additionally, the model considers the effect of t
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 231403 (2019)
Process Parameter Optimization of Al2O3 Ceramics Milled with Nanosecond Pulsed Laser
Zhaomei Xu, Xiankai Meng, Yanrong Qu, Weiguo Zhu, and Zhaoheng Guo
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 231404 (2019)
Machine Vision
Online Detection of Wine Seal Ring Defects
Na Dong, Danping Huang, Jianping Tian, Dan Huang, and Huibo Luo
To address the problem of poor wine quality caused by wine seal ring defects and improve defect detection efficiency, an online detection method for wine seal ring defects is developed. According to the structure and position of the wine seal rings and the inner diameter and depth of the bottle caps, an online detectio
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 231501 (2019)
Object Classification Based on Multitask Convolutional Neural Network
Miaohui Zhang, Bo Zhang, and Chengcheng Gao
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 231502 (2019)
Filter Tracking Based on Time Regularization and Background-Aware
Mingming Liu, Dong Pei, Jü Liu, Donghui Zhu, and Haoxiang Sun
This study proposes a filter tracking algorithm based on the direction gradient histogram using time regularization and background-aware to overcome the problem of target background of the correlation filter (CF) having no optimal performance without time modeling. The training samples are firstly extracted from the re
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 231503 (2019)
Binocular Stereo Vision Calibration Accuracy Evaluation Using Epipolar Constraint
Qingzhe Zhang, and Yong Wang
The accuracy of binocular stereo vision calibration obtained using the mean of total residuals of left and right images is unsatisfactory. To overcome this limitation, this study proposes a method for evaluating the accuracy of binocular stereo vision calibration based on the epipolar constraint. The proposed method co
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 231504 (2019)
Physical Optics
Influence of Nonparallel Slot and Prism Ridge on Interference of Fresnel Double Prism
Peishan Han, Zehui Lu, Daihe Fan, Xinyan Jia, Yun Wei, Xianghui Chang, and Qijun Liu
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 232601 (2019)
Quantum Optics
Quantum Entanglement Characteristics in System Comprising Pólya-State Light Field Interacting with Λ-Type Three-Level Atom
Ruihuan Luo, and [in Chinese]
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 232701 (2019)
Reviews
Research Progress on Optically Designed Solar Photovoltaic Concentrators
Jiaqi Lü, Ning Zhang, Peng Yin, Xiping Xu, and Hengyi Zhang
The focusing methods of solar concentrators are mainly classified into three categories. This study introduces the structural designs and operating principles of various solar concentrators, analyses their focusing performance, and summaries the latest research status at home and abroad. First, we consider a refractive
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 230002 (2019)
Ray Characterization of Optical Waves
Shuhe Zhang, Meng Shao, Yi Wang, Yuping Duan, and Jinhua Zhou
The design of novel light beams and investigation of their propagation properties are important topics in optics, particularly for beams that are nondiffracting, self-accelerating, or self-repairing. The evolution of these beams in either free-space or a waveguide and their applications have attracted a significant amo
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 230003 (2019)
Spectroscopy
Rapid Online Identification of Hazardous Substances in Mail Using Terahertz Technology
Tao Li, Liang Zhang, Jian'an He, Sixiang Zhang, and Dayong Gu
The terahertz waves exhibit spectral fingerprint characteristics and penetrability for nonpolar substances, which have huge potential applications in the identification of hazardous substances hidden in mail. Currently, the commonly used terahertz optical-constant-extraction algorithms have the disadvantages of being c
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 233001 (2019)
Mid-Infrared Spectroscopy Detection of Methanol Content in Methanol Gasoline Based on CARS Band Screening
Jun Hu, Yande Liu, Aiguo Ouyang, and Hongliang Liu
The mid-infrared spectroscopy detection can be used to the determination of methanol content in methanol gasoline. The mid-infrared spectra are susceptible to external interference and yield a large amount of data. To simplify the calculation and improve the accuracy of the model, the methods of uninformative variable
Laser & Optoelectronics Progress
  • Publication Date: Nov. 27, 2019
  • Vol. 56, Issue 23, 233002 (2019)