International Journal of Engineering and Geosciences最新文献_第6页

Investigation of the Performance of Different Wavelet-Based Fusions of SAR and Optical Images Using Sentinel-1 and Sentinel-2 Datasets 基于Sentinel-1和Sentinel-2数据集的SAR和光学图像不同小波融合性能研究

IF 1.9

International Journal of Engineering and Geosciences Pub Date : 2021-04-09 DOI: 10.26833/ijeg.882589

Huseyin Duysak, E. Yiğit

引用次数: 7

Investigating the Length, Area and Volume Measurement Accuracy in UAV-Based Oblique Photogrammetry Models produced with and without Ground Control Points 有地面控制点和无地面控制点的无人机倾斜摄影测量模型的长度、面积和体积测量精度研究

IF 1.9

International Journal of Engineering and Geosciences Pub Date : 2021-04-09 DOI: 10.21203/RS.3.RS-396298/V1

E. Maraş, M. Nasery

{"title":"Investigating the Length, Area and Volume Measurement Accuracy in UAV-Based Oblique Photogrammetry Models produced with and without Ground Control Points","authors":"E. Maraş, M. Nasery","doi":"10.21203/RS.3.RS-396298/V1","DOIUrl":"https://doi.org/10.21203/RS.3.RS-396298/V1","url":null,"abstract":"\u0000 This study was aimed to investigate the performance and sensitivity of a 3D photogrammetric model generated without GCPs (Ground Control Points). To see if the models with no GCPs show the accuracy in every types of terrain as well as climate or metrological conditions, two separate studies are done in two areas with different characteristics such as Altitude, slope, topography, and meteorological varieties. The study areas were initially modelled with GCPs and later without GCPs. Furthermore, some of the dimensions and areas within the modelled area were measured using terrestrial techniques (with GPS/GNSS) for accuracy analysis. After modelling within the areas with and without GCPs, different territories with different slope and geometric shapes were selected. Various measurement in terms of length, area and volume carried out over the selected territories within both model (generated with and without GCPs) of each 2 studies. The datasets obtained as results of measurements were compared to each other and the measurements carried out over the models produced with GCPs were accepted as true values. Results from length measurement provided various level of success. First study area exhibited very promising results in length measurement with a relative error of less than 1% and RMSE (Root Mean Square Error) of 0.139m. In the case of area measurement, in the first study area (Sivas), a minimum relative error of 0.04% and a maximum relative error of 1.05% with a RMSE of 1.264 m² is obtained. In the second study areas (Artvin) for area measurement a minimum relative error of 0.56% and a maximum relative error of 5.27% with a RMSE of 1.76m² is achieved. And finally, in the case of volume measurement, for fist study area (Sivas) a minimum relative error of 0.8% and a maximum relative error of 6.8% as well as 2.301 m³ is calculated. For second study area (Artvin) minimum relative error for volume measurement is 0.502% as well as maximum relative error is 2.01% with a 7.061m³ RMSE.","PeriodicalId":42633,"journal":{"name":"International Journal of Engineering and Geosciences","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2021-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49367793","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 5

DETERMINING THE BURIED CONCRETE AMOUNT USING GPR/GPS COMBINATION METHOD 采用探地雷达/ gps联合法确定混凝土埋深量

IF 1.9

International Journal of Engineering and Geosciences Pub Date : 2021-04-05 DOI: 10.26833/ijeg.876310

Celalettin Uçar, F. B. Sanli

引用次数: 1

Determination of the appropriate zone on dam surface for Floating Photovoltaic System Installation using RS and GISc technologies 利用RS和GISc技术确定浮动光伏发电系统在坝面安装的合适区域

IF 1.9

International Journal of Engineering and Geosciences Pub Date : 2021-03-31 DOI: 10.17632/7VGZ6CDJZ5.1

O. Yilmaz

引用次数: 5

Comparative analysis of the performance of Multi-GNSS RTK: A case study in Turkey 多GNSS RTK性能的比较分析——以土耳其为例

IF 1.9

International Journal of Engineering and Geosciences Pub Date : 2021-03-19 DOI: 10.26833/ijeg.878236

Omer Faruk Atiz, Ceren Konukseven, Sermet Öğütcü, S. Alcay

引用次数: 0

AN INVESTIGATION OF THE PERFORMANCES OF POLARIMETRIC TARGET DECOMPOSITIONS USING GB-SAR IMAGING 基于gb-sar成像的极化目标分解性能研究

IF 1.9

International Journal of Engineering and Geosciences Pub Date : 2021-02-01 DOI: 10.26833/ijeg.665175

S. Demirci, C. Ozdemir

引用次数: 4

INVESTIGATION OF THE EFFECT OF URBANIZATION ON LAND SURFACE TEMPERATURE EXAMPLE OF BURSA 城市化对地表温度影响的研究以布尔萨为例

IF 1.9

International Journal of Engineering and Geosciences Pub Date : 2021-02-01 DOI: 10.26833/ijeg.658377

B. Yamak, Zekeriya Yağci, B. B. Bilgilioğlu, Resul Çömert

{"title":"INVESTIGATION OF THE EFFECT OF URBANIZATION ON LAND SURFACE TEMPERATURE EXAMPLE OF BURSA","authors":"B. Yamak, Zekeriya Yağci, B. B. Bilgilioğlu, Resul Çömert","doi":"10.26833/ijeg.658377","DOIUrl":"https://doi.org/10.26833/ijeg.658377","url":null,"abstract":"Today, industrialization and urbanization in large cities cause an increase in the surfaces covered with man-made objects such as concrete and asphalt. The expansion of urban areas and increase in the using materials with high heat storage properties, directly affect the Land Surface Temperature (LST), which shows an increase in the sensible temperature of the region. LST is directly connected to the natural green vegetation of the land and varies widely in large urban areas, these differences related to the temperature is defined as the ‘urban heat island’. In this study, it was investigated the temporal variation of land surface temperature due to urbanization. Bursa, which is considered as a study area, has shown a rapid population increase since 1990 and a rapid increase in the number of buildings with the impact of urbanization and industrialisation. To determine the effect of this urbanization and industrialisation on land surface temperature, temporal change analysis of the surface temperature in the Bursa was observed with Landsat satellite images of 1988, 1998, 2008 and 2018. From produced maps, it was observed that the amount of green vegetation in urban areas decreased and as a consequence of this decrease, the surface temperature increased in the urban areas.","PeriodicalId":42633,"journal":{"name":"International Journal of Engineering and Geosciences","volume":"59 3","pages":""},"PeriodicalIF":1.9,"publicationDate":"2021-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41261776","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 7

FULLY OPTIMIZED MULTILAYER RADAR ABSORBER DESIGN USING MULTI-OBJECTIVE ABC ALGORITHM 基于多目标ABC算法的多层雷达吸波器全优化设计

IF 1.9

International Journal of Engineering and Geosciences Pub Date : 2020-12-22 DOI: 10.26833/IJEG.743661

E. Yiğit, Huseyin Duysak

{"title":"FULLY OPTIMIZED MULTILAYER RADAR ABSORBER DESIGN USING MULTI-OBJECTIVE ABC ALGORITHM","authors":"E. Yiğit, Huseyin Duysak","doi":"10.26833/IJEG.743661","DOIUrl":"https://doi.org/10.26833/IJEG.743661","url":null,"abstract":"Main purpose of the design of multi-layer radar absorber (MRA) by means of metaheuristic optimization algorithms is to minimize both the total thickness (TT) of MRA and the maximum reflection coefficients for transverse electric (RTE) & transverse magnetic (RTM) polarizations at any oblique angle of incidence. For this purpose, sequence and thicknesses of layers of the MRA have been optimized by either single-objective approach based on combining all objectives or double-objective approach in which TT is evaluated separately from the reflection coefficients. In this study, triple-objective artificial bee colony (TO-ABC) algorithm integrated with Pareto front technique is proposed for fully optimized MRA design. Thus, both RTE, RTM and TT are simultaneously minimized by optimizing thickness, sequence and number of the layers. To demonstrate the superiority of TO-ABC, 3 types of MRAs operating at the frequency ranges of 2–18 GHz for each angle of incidence from 0⁰ to 60⁰ are optimized and compared with the literature. Furthermore, 4 different real MRAs are also optimized using real materials given in the literature. Thanks to the developed graphical user interface and TO-ABC algorithm, despite the limited number of materials, all possible solutions providing the specified parameters are easily achieved and successful MRA structures are designed.","PeriodicalId":42633,"journal":{"name":"International Journal of Engineering and Geosciences","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2020-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47545382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

A new approach for matching road lines using efficiency rates of similarity measures 一种利用相似度量的效率率来匹配道路线的新方法

IF 1.9

International Journal of Engineering and Geosciences Pub Date : 2020-11-04 DOI: 10.26833/IJEG.791324

M. Hacar, T. Gökgöz

引用次数: 0

ACCURACY ASSESSMENT OF GÖKTÜRK-1 SATELLITE IMAGERY gÖktÜrk-1卫星图像精度评估

IF 1.9

International Journal of Engineering and Geosciences Pub Date : 2020-10-01 DOI: 10.26833/ijeg.650899

G. Arasan, A. Yilmaz, Orhan Firat, Ertuğrul Avşar, H. Güner, Kemal Ayğan, Damla Yüce

{"title":"ACCURACY ASSESSMENT OF GÖKTÜRK-1 SATELLITE IMAGERY","authors":"G. Arasan, A. Yilmaz, Orhan Firat, Ertuğrul Avşar, H. Güner, Kemal Ayğan, Damla Yüce","doi":"10.26833/ijeg.650899","DOIUrl":"https://doi.org/10.26833/ijeg.650899","url":null,"abstract":"Optical satellite imagery has an important place today in terms of responding to the increasing need for geospatial base in many different fields and disciplines, especially because of their availability and temporal resolution. Because all kinds of geospatial information and data production processes such as orthoimages, maps, vector data and etc. in especially for large project areas provide the opportunity to reduce the cost and time required in the field work, so the interest in high resolution satellite imagery. Gokturk-1, an electro-optical satellite that was launched on December 5, 2016 and acquiring 0.50 m spatial resolution imagery, aims to meet the high resolution image requirements of Turkey. In this study, the horizontal and vertical accuracy of the Digital Surface Model and orthoimages produced by different methods from stereo images obtained from Gokturk-1 satellite in two different regions were investigated. As a result, although the pointing accuracy and the Digital Surface Model accuracy produced from Gokturk-1 satellite imagery, will vary according to the incidence angle of Gokturk-1 satellite, the Digital Terrain Model used in the production of the orthoimage, the selected method for orientation of satellite imagery; a planimetric accuracy of better than ± 2 m RMSE in orthoimage and a height accuracy of better than ± 3 m RMSE is accomplished.","PeriodicalId":42633,"journal":{"name":"International Journal of Engineering and Geosciences","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2020-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44575525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1