Vol. 32 No. 12(4)
Special Issue on Geomatics Technologies for the Realization of Smart Cities (2)
Guest Editor: He Huang and XiangLei Liu (Beijing University of Civil Engineering and Architecture)
Unmanned aerial vehicles (UAVs) have advantages such as a relatively low operating cost and excellent ground–sample distance (GSD) compared with conventional manned aerial photogrammetry. Rece ... Read More
Currently, point cloud data acquired by using unmanned aerial vehicles (UAVs) are mostly used for the production of digital surface models (DSMs). This paper shows the possibility of digital ele ... Read More
Ground-based synthetic aperture radar (GBSAR) is regarded as an important monitoring technique for bridge damage identification. However, the interference effect of noise signals on bridge damag ... Read More
The essence of recommendation methods for online shopping is to predict whether the user will buy specified products. The existing methods are usually modeled on a user–item-score matrix, whic ... Read More
Particulate matter with a diameter of less than 2.5 µm (PM2.5) has a significant impact on air pollution, atmospheric visibility, and human health. The most basic and important step of regional ... Read More
As urban roads become more complicated and older, subsurface subsidence often occurs in underground utilities and spaces. The city of Seoul has been engaged in activities to prevent these proble ... Read More
The persistence scatter Interferometric Synthetic Aperture Radar (PS-InSAR) analysis method is a technique that utilizes the persistent scatter in synthetic aperture radar images and image analys ... Read More
Improving the accuracy of public transport information has attracted attention in the development of smart cities. We aim to predict the bus travel speed on road sections using a long short-term ... Read More
In order to investigate the distribution of land subsidence in the Lianjiang Plain, the interferometric point target analysis (IPTA) method has been carried out with RADARSAT-2 data in this work. ... Read More
A bicycle-sharing system not only allows citizens to freely use bicycles installed in specific locations but is also a supplement to public transportation. In this study, we aim to improve the a ... Read More
Ground-based microwave interferometry has been used extensively for dynamic deflection measurements of bridges. The Imaging by Interferometric Survey of Structures (IBIS-S) instrument is a syste ... Read More
Along with the rapid development of Internet Plus, big data, and other technologies, the construction of smart cities is promoting the transformation and upgrading of mapping geographic informati ... Read More
With the rapid development of autopilot technology and various types of sensor, high-precision maps containing a large amount of information for assisting driving have been proposed. The standar ... Read More
Vehicle object tracking is a research hotspot in computer vision. To solve the problem of single object extraction caused by the shadow effect and occlusion between vehicles, this paper presents ... Read More
In object detection in remote sensing images, owing to the complex background environment, there are problems of poor robustness to interference and low detection accuracy for small objects. The ... Read More
Maps obtained from various sensors or surveying instruments provide important geographic information for users. Buildings are critical components of various city-area maps. In this paper, we pr ... Read More
In this study, we performed the hazard assessment, vulnerability assessment, and risk analysis of debris flows using a digital elevation model (DEM) obtained from a light detection and ranging (L ... Read More
In this paper, we present improved slanted edge methods of measuring the modulation transfer function (MTF) based on structured total least L1-, L2-norm edge fitting for urban remote sensing imag ... Read More
Using the principle of radar interferometry, we analyzed the temporal coherence changes of five typical ground features (residential areas, vegetation, bare soil, bridges, and factories and wareh ... Read More
Unmanned aerial vehicles (UAVs) have the advantages of flexible take-off/landing sites, easy storage, and low manufacturing cost. They have been applied in many fields such as mapping, disaster ... Read More
In this study, small baseline subsets interferometric synthetic aperture radar (SBAS-InSAR)was used to monitor the surface deformation of an area of 88 km2 centered on the Xiwang Road ground fiss ... Read More
S&M2413Research Paper of Special Issue |
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S&M2413 Statistical Analysis for Usability Evaluation of Unmanned Aerial Vehicle in Geomatics Joon Kyu Park, Kap Yong Jung, and Joong Hyeok Heo pp. 4337-4346 https://doi.org/10.18494/SAM.2020.2912 Published on December 29, 2020 PDF (open access) |
S&M2414Research Paper of Special Issue |
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S&M2414 Digital Elevation Model Production Using Point Cloud Acquired by Unmanned Aerial Vehicles Suk Bae Lee, Jae Ho Won, Kap Yong Jung, Mihwa Song, and Young Joon Ahn pp. 4347-4360 https://doi.org/10.18494/SAM.2020.2973 Published on December 29, 2020 PDF (open access) |
S&M2415Research Paper of Special Issue |
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S&M2415 Bridge Damage Identification by Ground-based Synthetic Aperture Radar Using Blind Source Separation and Noise Reduction Technology Qian-Hao Cheng, Qiang Chen, Hui Wang, and Xiang-Lei Liu pp. 4361-4377 https://doi.org/10.18494/SAM.2020.2989 Published on December 29, 2020 PDF (open access) |
S&M2416Research Paper of Special Issue |
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S&M2416 DLGNN: A Double-layer Graph Neural Network Model Incorporating Shopping Sequence Information for Commodity Recommendation Chuyuan Wei, Jianwei Niu, and Yanyan Guo pp. 4379-4392 https://doi.org/10.18494/SAM.2020.3056 Published on December 29, 2020 PDF (open access) |
S&M2417Research Paper of Special Issue |
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S&M2417 Optimization of Seasonal Geographically and Temporally Weighted Regression Model for Accurate Estimation of Seasonal PM2.5 Concentrations in Beijing–Tianjin–Hebei Region Lei Zhou, Yani Wang, Mingyi Du, Changfeng Jing, Siyu Wang, Yinuo Zhu, Ting Luo, Congcong He, Ting Gao, and Kun Yang pp. 4393-4412 https://doi.org/10.18494/SAM.2020.3077 Published on December 29, 2020 PDF (open access) |
S&M2418Research Paper of Special Issue |
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S&M2418 Technique for Detecting Subsurface Cavities of Urban Road Using Multichannel Ground-penetrating Radar Equipment Yoon Jin-sung, Youm Minkyo, Park Sehwan, and Kim Junkyeong pp. 4413-4427 https://doi.org/10.18494/SAM.2020.3081 Published on December 29, 2020 PDF (open access) |
S&M2419Research Paper of Special Issue |
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S&M2419 Optimal Minimum Spanning Tree Algorithm for Improving Coherence of Persistence Scatter-Interferometric Synthetic Aperture Radar Technique Youm Minkyo, Kim Junkyeong, Park Sehwan, Lee Taeyoung, and Jeong Myeong-Hun pp. 4429-4439 https://doi.org/10.18494/SAM.2020.3082 Published on December 29, 2020 PDF (open access) |
S&M2420Research Paper of Special Issue |
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S&M2420 Bus Travel Speed Prediction Using Long Short-term Memory Neural Network Seung-Bae Jeon, Myeong-Hun Jeong, Tae-Young Lee, Jeong-Hwan Lee, and Jae-Myoung Cho pp. 4441-4447 https://doi.org/10.18494/SAM.2020.3111 Published on December 29, 2020 PDF (open access) |
S&M2421Research Paper of Special Issue |
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S&M2421 Land Subsidence and Uplift Surveying by Synthetic Aperture Radar Interferometry in Lianjiang Plain Ling Zhang, Daqing Ge, Man Li, Bin Liu, Xiaofang Guo, and Qiong Wu pp. 4449-4461 https://doi.org/10.18494/SAM.2020.3117 Published on December 29, 2020 PDF (open access) |
S&M2422Research Paper of Special Issue |
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S&M2422 Location Optimization of Bicycle-sharing Stations Using Multiple-criteria Decision Making Tae-Young Lee, Myeong-Hun Jeong, Seung-Bae Jeon, and Jae-Myoung Cho pp. 4463-4470 https://doi.org/10.18494/SAM.2020.3125 Published on December 29, 2020 PDF (open access) |
S&M2423Research Paper of Special Issue |
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S&M2423 Integration of Extreme-point Symmetric Mode Decomposition and Singular Value Decomposition for Dynamic Deflection Denoising of Urban Bridges Obtained by Ground-based Microwave Interferometry Mengzhuo Jiang, Xianglei Liu, Hui Wang, and Yimeng Huang pp. 4471-4487 https://doi.org/10.18494/SAM.2020.3126 Published on December 29, 2020 PDF (open access) |
S&M2424Research Paper of Special Issue |
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S&M2424 Rapid Extraction of Research Areas from Scientific and Technological Literature Chuan Yin, Wanzeng Liu, Duoduo Yin, Xi Zhai, Kexin Liu, Changfeng Jing, and He Huang pp. 4489-4504 https://doi.org/10.18494/SAM.2020.3127 Published on December 29, 2020 PDF (open access) |
S&M2425Research Paper of Special Issue |
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S&M2425 Improved Lane Detection Method Based on Convolutional Neural Network Using Self-attention Distillation Xinyu Zhang, He Huang, Weiming Meng, and Dean Luo pp. 4505-4516 https://doi.org/10.18494/SAM.2020.3128 Published on December 29, 2020 PDF (open access) |
S&M2426Research Paper of Special Issue |
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S&M2426 Method of Unsupervised Static Recognition and Dynamic Tracking for Vehicles Yifei Cao, Jingguo Lv, Yingqi Bai, and Anqi Wu pp. 4517-4536 https://doi.org/10.18494/SAM.2020.3129 Published on December 29, 2020 PDF (open access) |
S&M2427Research Paper of Special Issue |
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S&M2427 YOLOv3 Object Detection Algorithm with Feature Pyramid Attention for Remote Sensing Images Zhe Cheng, Jingguo Lv, Anqi Wu, and Ningning Qu pp. 4537-4558 https://doi.org/10.18494/SAM.2020.3130 Published on December 29, 2020 PDF (open access) |
S&M2428Research Paper of Special Issue |
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S&M2428 Constrained Building Boundary Simplification Based on Partial Total Least Squares Method Yanmin Jin, Lingling Wei, Bin Wang, Xiongfeng Yan, Shijie Liu, and Xiaohua Tong pp. 4559-4572 https://doi.org/10.18494/SAM.2020.3133 Published on December 29, 2020 PDF (open access) |
S&M2429Research Paper of Special Issue |
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S&M2429 Quantitative Risk Analysis of Debris Flow Disasters in Urban Area Using Geographic Information System Mi-Ran Lee, Jae-Myoung Cho, and Hong-Sic Yoon pp. 4573-4586 https://doi.org/10.18494/SAM.2020.3134 Published on December 29, 2020 PDF (open access) |
S&M2430Research Paper of Special Issue |
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S&M2430 Improved Slanted Edge Methods of Measuring Modulation Transfer Function Based on Structured Total Least L1-, L2-norm Edge Fitting for Urban Remote Sensing Images Yanmin Jin, Yifeng Li, Xiaohua Tong, Chao Wang, and Sicong Liu pp. 4587-4602 https://doi.org/10.18494/SAM.2020.3135 Published on December 29, 2020 PDF (open access) |
S&M2431Research Paper of Special Issue |
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S&M2431 Temporal Coherence Changes of Typical Urban Features Based on Sentinel-1A Data Jiaojie Li, Xuedong Zhang, and Xianglei Liu pp. 4603-4614 https://doi.org/10.18494/SAM.2020.3136 Published on December 29, 2020 PDF (open access) |
S&M2432Research Paper of Special Issue |
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S&M2432 Designing and Implementing a Low-cost Unmanned Aerial Vehicle Based on BeiDou/GPS Zhonghua Hong, Shenyuan Xu, Yun Zhang, Ruyan Zhou, Yanling Han, Jing Wang, Shuhu Yang, Jun Liu, and Shenlu Jiang pp. 4615-4634 https://doi.org/10.18494/SAM.2020.3140 Published on December 29, 2020 PDF (open access) |
S&M2433Research Paper of Special Issue |
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S&M2433 Factors Influencing Activity of Xiwang Road Ground Fissure Based on Time-series Interferometric Synthetic Aperture Radar and Detection of Land Cover Changes Using Optical Imaging Xi Liu, Jing Ma, and Shan Su pp. 4635-4646 https://doi.org/10.18494/SAM.2020.3151 Published on December 29, 2020 PDF (open access) |
Cover of this Issue |
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