Geodeziya i Kartografiya最新文献_第4页

Monitoring the forest fund lands of Kon Tum province, Vietnam using remote sensing data of Earth 利用地球遥感数据监测越南今土省森林基金土地

Geodeziya i Kartografiya Pub Date : 2023-09-20 DOI: 10.22389/0016-7126-2023-998-8-57-64

V.F. Kovyazin, T.A. Nguyen, T.T. Nguyen

{"title":"Monitoring the forest fund lands of Kon Tum province, Vietnam using remote sensing data of Earth","authors":"V.F. Kovyazin, T.A. Nguyen, T.T. Nguyen","doi":"10.22389/0016-7126-2023-998-8-57-64","DOIUrl":"https://doi.org/10.22389/0016-7126-2023-998-8-57-64","url":null,"abstract":"In recent years, cloud computing technology has become increasingly useful and practical in many fields, including forestry. Monitoring forest dynamics throughout a relatively large area requires collecting a large amount of input data, and processing it is very complex and time-consuming. In this study, we demonstrated the potential of applying cloud computing technology in the Google Earth Engine platform, in conjunction with remote sensing data to monitor forest land changes in Kon Tum province, Vietnam. The use of the javascript editor on Google Earth Engine (GEE) automated the process of collecting and processing remote sensing data to meet the specified criteria, while saving time, effort, and computer resources. Computing the normalized difference vegetation index and classifying land cover types using the Random Forest machine learning method on the GEE platform also showed accuracy in representing the distribution of vegetation cover and evaluating the status and changes in forest areas in Kon Tum province. The study showed that the policies of Kon Tum province administration in recent years have had a positive impact on restoring natural forest areas and reducing resource losses. So, the application of remote sensing data on the cloud computing platform of Google Earth Engine is a promising method for conserving and managing forest resources in Kon Tum province and throughout Vietnam","PeriodicalId":35691,"journal":{"name":"Geodeziya i Kartografiya","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136375034","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: 0

Specialized topographic map of environmental protection: concept and content system 环境保护专业地形图：概念与内容体系

Geodeziya i Kartografiya Pub Date : 2023-08-20 DOI: 10.22389/0016-7126-2023-997-7-24-37

T. Vereschaka, A. A. Ivanova

引用次数: 0

Specification of a gas station as an object of cadastral registration 作为地籍登记对象的加油站的说明

Geodeziya i Kartografiya Pub Date : 2023-08-20 DOI: 10.22389/0016-7126-2023-997-7-55-64

A. Rybkina, P. Demidova, O. Kolesnik

引用次数: 0

Analysis of regional geodetic GNSS networks properties built through the relative method. Complete case 通过相关方法建立的区域大地测量全球导航卫星系统网络特性分析。完整案例

Geodeziya i Kartografiya Pub Date : 2023-08-20 DOI: 10.22389/0016-7126-2023-997-7-2-13

N. Bovshin

{"title":"Analysis of regional geodetic GNSS networks properties built through the relative method. Complete case","authors":"N. Bovshin","doi":"10.22389/0016-7126-2023-997-7-2-13","DOIUrl":"https://doi.org/10.22389/0016-7126-2023-997-7-2-13","url":null,"abstract":"\u0000In this paper we continue to study the statistical properties of adjusted station coordinates in permanent geodetic networks. Analytical constructing the variance-covariance matrix of the measured vectors redundant set’s coordinates taking into account the covariances between vectors with common stations, is performed. The main attributes of this matrix are shown.Analytical modeling the adjustment of the measured vectors’ redundant set, which has such attributes, is performed. The variance-covariance matrix of the vector network’s adjusted coordinates is obtained and its properties are analyzed. It is shown that at using a simplified method for constructing such network, which neglects correlations between the errors of the measured baselines, the accuracy of its solution is overestimated, but the structure of the covariance matrix does not change. Analytical modeling of the network’s behavior in time is done, taking into account its possible internal dynamics, i.e. temporal changes of the geodetic stations’ relative positions that form it. It is shown that a dynamic vector solution has the same properties as the individual ones which make it, if they use redundant sets of measured vectors of the same type\u0000","PeriodicalId":35691,"journal":{"name":"Geodeziya i Kartografiya","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45710004","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: 0

Investigation results of deformation matrixes for the CS-42 coordinate system CS-42坐标系变形矩阵的研究结果

Geodeziya i Kartografiya Pub Date : 2023-08-20 DOI: 10.22389/0016-7126-2023-997-7-14-23

A. Mareev

引用次数: 0

Construction of digital terrain models based on remote sensing data of inaccessible continental areas 基于人迹罕至大陆地区遥感数据的数字地形模型构建

Geodeziya i Kartografiya Pub Date : 2023-08-20 DOI: 10.22389/0016-7126-2023-997-7-47-54

A. Astapovich, K.K. Zhbanov

{"title":"Construction of digital terrain models based on remote sensing data of inaccessible continental areas","authors":"A. Astapovich, K.K. Zhbanov","doi":"10.22389/0016-7126-2023-997-7-47-54","DOIUrl":"https://doi.org/10.22389/0016-7126-2023-997-7-47-54","url":null,"abstract":"\u0000The method of combining digital terrain models based on the results of photogrammetric processing optoelectronic stereo photographs and interferometric one of radar images developed in the view of the least squares principle is substantiated in the article. The necessary formulas for assessing the impact of systematic errors in jointly handled data sets are given. As a result of analyzing the systematic errors influence in setting the beginning of the height calculation in alternative models on the values of the combined relief model parameters, it is shown that it is impossible to estimate and completely exclude systematic errors of the desired characteristics of the combined relief model without involving additional measurement information. The methodology of the approach to the suppression of the mentioned mistakes in determining the required data is theoretically justified with the necessary mathematical expressions for the implementation of the stages of the proposed techniques based on a comparison of the height matrices obtained through the least squares method and the materials of space laser altimeters\u0000","PeriodicalId":35691,"journal":{"name":"Geodeziya i Kartografiya","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46816554","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: 0

Application of a spherical camera model for solving photogrammetric tasks 球面相机模型在解决摄影测量任务中的应用

Geodeziya i Kartografiya Pub Date : 2023-08-20 DOI: 10.22389/0016-7126-2023-997-7-38-46

I. N. Penshin

{"title":"Application of a spherical camera model for solving photogrammetric tasks","authors":"I. N. Penshin","doi":"10.22389/0016-7126-2023-997-7-38-46","DOIUrl":"https://doi.org/10.22389/0016-7126-2023-997-7-38-46","url":null,"abstract":"\u0000In this paper, we consider the Unified Camera Model and its properties, as well as investigate and apply the improved Double-Spherical one (DS-model) in the task of restoring exterior and interior orientation elements for a set of images with ultra-wide-angle fisheye lens. The use of panoramic cameras in photogrammetry issues is a new trend, while the spherical model fully inherits the properties of the classical central-projection sample. The mathematical concept of using it is presented, as well as the solution of the optimization problem of calculating the elements of the internal and external orientation of the camera through the Gauss-Newton method, which is relevant for the tasks of reconstructing a three-dimensional scene and developing an optical SLAM based on a multi-camera system with ultra-wide-angle lenses, is implemented. In this work, epipolar geometry methods, digital image processing methods, statistical, numerical, and optimization ones were used. The results obtained enable evaluating the applicability of the DS-model for three-dimensional reconstruction of scenes during external and internal monitoring of buildings and structures, restoration of the motion trajectory and position in space for mobile systems with an installed camera, solving matters such as Perspective-n-Point for restoring the relative orientation between different active and passive sensors\u0000","PeriodicalId":35691,"journal":{"name":"Geodeziya i Kartografiya","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44237441","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: 0

Assessing spatial and temporal transformation of Matua Island territory caused by the activity of Sarychev Peak volcano Sarychev火山活动对马图阿岛领土时空变化的影响

Geodeziya i Kartografiya Pub Date : 2023-07-20 DOI: 10.22389/0016-7126-2023-996-6-42-49

A. Verkhoturov

{"title":"Assessing spatial and temporal transformation of Matua Island territory caused by the activity of Sarychev Peak volcano","authors":"A. Verkhoturov","doi":"10.22389/0016-7126-2023-996-6-42-49","DOIUrl":"https://doi.org/10.22389/0016-7126-2023-996-6-42-49","url":null,"abstract":"\u0000Areas of active volcanism are characterized by significant transformation of many environmental components and are potentially dangerous at economic development. The purpose of the work is to assess spatial and temporal transformation of Matua Island territory caused by activity of Sarychev Peak volcano. The author analyzes a series of Landsat satellites photos from 1972 to 2022. The spatial dynamics of the coastline was studied based on synthesized images (NIR-SWIR-RED). In the research of vegetation transformation, a time series of normalized relative index (NDVI) was used. The time course analysis of changing Matua Island area, maximum and average values of NDVI within its limits, and a sketch map of spatial and temporal transformation of the research territory were made. Relatively rare and strong eruptions of Sarychev Peak volcano lead to significant changes of Matua Island, which mainly affects the state of the vegetation cover and restructuring of the relief. There is a relatively rapid succession, especially in the areas where thickness of volcanic deposits has not exceeded for several tens of centimeters. Accumulation of pyroclastic material caused an increase in the space of the island by 0,87 km2, but 0,52 km2 was blurred by the sea during 13 years. The research shows the nature of the danger and transformation of the territories in zones of active volcanism, which must be taken into account at solving issues related to economic development, cadastral assessment and arranging these lands monitoring.\u0000","PeriodicalId":35691,"journal":{"name":"Geodeziya i Kartografiya","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47061197","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: 0

Big spatial data modeling using data cube based on discrete global grid system 基于离散全局网格系统的数据立方体大空间数据建模

Geodeziya i Kartografiya Pub Date : 2023-07-20 DOI: 10.22389/0016-7126-2023-996-6-19-29

G. Titov, P. Kargashin

引用次数: 0

Using a digital terrain model to create a geographical basis for a tourist map of the Aimag Khentii (Mongolia) 使用数字地形模型为Aimag Khentii（蒙古）旅游地图创建地理基础

Geodeziya i Kartografiya Pub Date : 2023-07-20 DOI: 10.22389/0016-7126-2023-996-6-12-18

O. Byamba

{"title":"Using a digital terrain model to create a geographical basis for a tourist map of the Aimag Khentii (Mongolia)","authors":"O. Byamba","doi":"10.22389/0016-7126-2023-996-6-12-18","DOIUrl":"https://doi.org/10.22389/0016-7126-2023-996-6-12-18","url":null,"abstract":"\u0000The author considers creating a relief model for a digital tourist sketch of the territory of Khentii aimag, Mongolia, as the first stage of creating an electronic map. The initial materials used in drawing up its geographical basis are listed, the main technical solutions for making the relief map of the geographical basis for the territory of Khentii Aimag, Mongolia, are considered. To perform the construction of a digital terrain model (DTM), Spatial Analyst and ArcMap modules were used; they are part of Esri`s ArcGIS10 software, the most widely used one in our country. The proposed method of displaying the relief will enable not only visualizing it in two-dimensional form or as three-dimensional surfaces, but also calculating various morphometric parameters there, such as the slope of the surface, exposure and curvature of slopes, and many more. On the basis of the DTM, visibility zones are constructed (territories visible from the selected observation point taking into account the actual landscape), the volumes of embankments and recesses are calculated; water flow paths along the surface are determined and catchment basins are allocated. After constructing the DEM, a hydrography model is superimposed on it and then the thematic content of the tourist map, namely, unique natural and historical monuments of Mongolia, located in the database of maps created for the first time. The proposed basic solution in the method of terrain mapping can be used to improve and create a geoportal “Tourism of Mongolia”.\u0000","PeriodicalId":35691,"journal":{"name":"Geodeziya i Kartografiya","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42938347","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: 0