Contents
2020
Volume: 57 Issue 14
38 Article(s)

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Image Processing
Key Contour Feature Extraction of Printed Circuit Board Point Cloud
Wenbin Zhong, Xurui Li, Si Sun, and Guangshuai Liu
Aiming at the difficulty of extracting the key contour features of printed circuit boards, an algorithm for transforming the folded edge into the boundary and extracting the key contour feature points is proposed. First, the algorithm establishes a topological structure of the original point cloud data of the printed c
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141001 (2020)
Object Detection Method Based on Improved YOLO Lightweight Network
Chengyue Li, Jianmin Yao, Zhixian Lin, Qun Yan, and Baoqing Fan
As an open source object detection network, YOLOv3 has obvious advantages in speed and accuracy compared with the object detection network of the same period. Because YOLOv3 adopts a new type of full convolutional network (FCN), feature pyramid network (FPN), and residual network (ResNet), it requires high hardware con
Laser & Optoelectronics Progress
  • Publication Date: Jul. 23, 2020
  • Vol. 57, Issue 14, 141003 (2020)
No-Reference Quality Evaluation for Gamut Mapping Images Based on Natural Scene Statistics
Wei Yu, Jingjing Xu, Yuying Liu, Junsheng Zhang, and Tengteng Li
Gamut mapping is a key technology for color image transmission and reproduction in different devices, and it is also the core part of modern color management system. However, there are few studies on the quality evaluation of gamut mapping images, therefore, in this paper, a no-reference quality evaluation algorithm ba
Laser & Optoelectronics Progress
  • Publication Date: Jul. 28, 2020
  • Vol. 57, Issue 14, 141006 (2020)
Fast and Efficient Real-Time Video Dehazing Algorithm
Zhiheng Chen, Limin Yan, and Bin Lu
Laser & Optoelectronics Progress
  • Publication Date: Jul. 23, 2020
  • Vol. 57, Issue 14, 141008 (2020)
Three-Dimensional Parallel Convolution Neural Network Brain Tumor Segmentation Based on Dilated Convolution
Bowen Feng, Xiaoqi Lü, Yu Gu, Qing Li, and Yang Liu
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141009 (2020)
Underwater Image Restoration Based on Background Light Estimation and Transmittance Optimization
Yuzhen Liu, Kaichen Chi, and Sen Lin
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141010 (2020)
Pose-Guided Human Image Synthesis Based on Fusion Feature Feedback Mechanism
Youwen Huang, Peng Zhao, and Yadong You
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141011 (2020)
Unsegmented Recognition of Handwritten Numerical Strings Based on Mask-RCNN
Zhiyong Tao, Yueming Han, and Sen Lin
The existing handwritten numerical string recognition algorithm based on over-segmentation is highly complex, and the existing unsegmented recognition algorithm cannot recognize character strings of four digits or more and has a low accuracy rate and the low accuracy. To address these issues, an unsegmented recognition
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141012 (2020)
Fine-grained Classification of Sleeper Shoulder Crack Images Based on Improved B-CNN
Qinan Li, Haixin Sun, and Kejia Sun
An improved bilinear convolutional neural network (B-CNN) model is proposed to solve the problem of fine-grained classification of crack images of sleeper block shoulder. Using this model, the global information in the image features of the global average pooling link is first used to capture the width information of t
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141013 (2020)
Correlation-Filter Tracking Algorithm with Adaptive-Feature Fusion and Anti-Occlusion
Haifeng Liu, Cheng Sun, and Xingliang Liang
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141014 (2020)
Low-Illumination Remote Sensing Image Enhancement Based on Conditional Generation Adversarial Network
Yanfei Peng, Tingting Du, Yi Gao, Lingling Zi, and Yu Sang
In this study, a method is proposed to enhance the low-illumination remote sensing images based on a conditional generation adversarial network, so as to improve their visibility. First, low-illumination images were synthesized as training samples based on the clear images with normal illumination to solve the problem
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141015 (2020)
Pedestrian Trajectory Prediction Based on GAN and Attention Mechanism
Jun Ouyang, Qingwei Shi, Xinxin Wang, and Liang Wang
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141016 (2020)
Detection of Damage on the Surface of Korla Fragrant Pear Using Hyperspectral Images
Yiming Fang, Fan Yang, and Xiaoqin Li
In this study, the hyperspectral imaging technology is employed for accurately and efficiently detecting the surface damage of Korla fragrant pears. Eighty fragrant pears were considered in this study. The hyperspectral images of the intact and damaged samples in the wavelength range of 400-1000 nm were obtained. The h
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141017 (2020)
Low-Light Image Enhancement Based on Multi-Branch All Convolutional Neural Network
Ruoyou Wu, Dexing Wang, Hongchun Yuan, Peng Gong, Guanqi Chen, and Dan Wang
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141021 (2020)
Low-Light Image Enhancement Based on Cascaded Residual Generative Adversarial Network
Qingjiang Chen, and Mei Qu
Aiming at the problem of poor visual effect and low image quality of existing low-light images, a low-light image enhancement algorithm based on cascaded residual generative adversarial network is proposed. The algorithm uses constructed cascaded residual convolutional neural network as generator network and improved P
Laser & Optoelectronics Progress
  • Publication Date: Jul. 28, 2020
  • Vol. 57, Issue 14, 141024 (2020)
Study on Point Cloud Management Strategy Based on Octree-Like Index
Min Lü, and Yun Meng
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141025 (2020)
Facial Expression Recognition Based on Improved AlexNet
Xu Yang, and Zhenhong Shang
Face expressions are affected by factors such as poses, object occlusion, lighting changes, race, gender, and age. Convolutional neural networks are required to learn features more effectively and accurately. AlexNet has low accuracy in expression recognition and strong input image size limitation. In response to these
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141026 (2020)
Method for Removal of Rain and Fog in Single Image
Bingyuan Wang, Fang Zheng, Jian Jiang, and Bo Yang
Rain and fog weather seriously affects the quality of outdoor images. In this paper, a new method of defogging based on manifold particle filtering is proposed to solve the problem of edge artifacts. By optimizing the atmospheric transmissivity, the accurate transmissivity is obtained, and the problem of edge artifacts
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141027 (2020)
Vision-Based Automatic Detection Method for Suspended Matter in Bottled Mineral Water
Ziye Sheng, and Yunwei Zhang
Bottled mineral water must be tested to determine the presence of suspended particles prior to being dispatched from the factory. At present, manual methods are used toward this end. These methods are time-consuming and laborious, relying on artificial subjective feelings, and their detection results are not satisfacto
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141028 (2020)
Feature Selection Based on the Correlation of Sparse Coefficient Vectors with Application to SAR Target Recognition
Hong Zhang, Xinlan Zuo, and Yao Huang
This paper proposes a feature selection method for the synthetic aperture radar (SAR) target recognition problem based on multi-feature decision fusion that leverages the correlation between sparse coefficient vectors. In the proposed method, sparse representation-based classification (SRC) was applied to solve the coe
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141029 (2020)
Magnetic Resonance Brain Tumor Image Segmentation Based on Attention U-Net
Lingmei Ai, Tiandong Li, Fuyuan Liao, and Kangzhen Shi
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141030 (2020)
A Novel Pavement Crack Detection Algorithm Using Interlaced Low-Rank Group Convolution Hybrid Deep Network Under a Complex Background
Gang Li, Qiangwei Liu, Jian Wan, Biao Ma, and Ying Li
Accurately extracting the crack characteristics using the traditional crack detection algorithm is challenging owing to the uneven light intensity, complex background, and significant noise interference of concrete pavement. Herein, to improve crack detection accuracy and reduce computational redundancy, a pavement cra
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141031 (2020)
Hermitian Compressed Sensing Reconstruction Algorithm for Hyperspectral Images
Li Wang, Wei Wang, and Boni Liu
Utilizing orthogonal matching pursuit algorithm for compressed sensing reconstruction of hyperspectral images is to find the optimal atoms to linearly represent the original signal, so that the residual is continuously reduced to obtain the reconstructed signal. When dealing with the redundant dictionary-based reconstr
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141032 (2020)
Imaging Systems
Study on Transmission Characteristics of Polarized Light in Turbid Media
Yanni Wang, and Man Xiao
Understanding the variation of optical properties of polarized light during motion transmission in turbid media is the basis for polarized imaging research on targets in turbid media. In this paper, the degree of polarization of the polarized light used in the experiment was measured first, and the error between the po
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141101 (2020)
Point Cloud Registration Based on Weighting Information of Neighborhood Surface Deformation
Xinchun Li, Zhenyu Yan, and Sen Lin
To improve the registration accuracy of a point cloud, the problem of poor robustness of the iterative closest point (ICP) algorithm under the condition of noise interference and data loss caused by a single feature needs to be solved. Accordingly, a point cloud registration method based on weighting neighborhood surfa
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141102 (2020)
Information
Dual Channel Snapshot Computation Spectral Polarization Imaging Method
Yanli Liu, Haibo Zhao, Xiaojie Yu, Yechao Wang, Xiaoming Zhong, Fang Xue, Jing Xu, and lisha Zhang
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 143601 (2020)
Machine Vision
Facial Expression Classification Based on Ensemble Convolutional Neural Network
Tao Zhou, Xiaoqi Lü, Guoyin Ren, Yu Gu, Ming Zhang, and Jing Li
Laser & Optoelectronics Progress
  • Publication Date: Jul. 28, 2020
  • Vol. 57, Issue 14, 141501 (2020)
Extracting Method for Light Strip Center of Linear Structural Light Based on Dual Frequency Curve Fitting
Qinghua Wu, Yang Zhou, Ziqi Li, Qiongjiesi Cai, and Cai Wan
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 141502 (2020)
Remote Sensing and Sensors
An Accurate Recognition Method of Pitaya Plants Based on Visible Light Band UAV Remote Sensing
Meng Zhu, Zhongfa Zhou, Yi Jiang, and Denghong Huang
Quickly and efficiently distinguishing and eliminating weeds is one of the keys to improving the extraction accuracy of pitaya plants. In this study, a high-resolution aerial image is acquired using a four-rotor unmanned aerial vehicle (UAV) platform with a visible light lens. The spectral characteristics of pitaya pla
Laser & Optoelectronics Progress
  • Publication Date: Jul. 24, 2020
  • Vol. 57, Issue 14, 142801 (2020)