Başlık için Geomatik Mühendisliği Bölümü Tez Koleksiyonu listeleme
Toplam kayıt 56, listelenen: 7-26
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An Approach for Automatic Building Extraction from High Resoluiıon Satellite Images Using Shadow Analysis and Active Contours Model
(Fen Bilimleri Enstitüsü, 2015)Building extraction is an important task for detecting the changes of buildings, detecting the destroyed buildings, updating the vector maps as well as reconstructing 3D building models. Satellite and airborne images are ... -
An Approach for the Automatic Detection of Agricultural Field Sub-boundaries from High Resolution Satellite Images
(Fen Bilimleri Enstitüsü, 2014)Agricultural crop mapping is quite important for crop yield estimation in regional and national scale. Remote sensing images are popular data to identify and classify land cover types in the agricultural areas. The recent ... -
An Approach for the Automatic Segmentation of High Resolution Satellite Images into Agricultural Fields
(Fen Bilimleri Enstitüsü, 2015)Monitoring and management of land use plays an important role in the economic development of agriculture regions in the world. Satellite images have become very popular data source for crop mapping in agricultural areas. ... -
Analysis of Wavelet Type and Noise in Relative Radiometric Normalization Based on Multiresolution Analysis
(Fen Bilimleri Enstitüsü, 2022-01)Change detection with satellite imagery has numerous usage areas and the number of Earth Observing Satellites which can be utilized in the analysis are expanding. Temporal differencing based change detection methods require ... -
Assessment of Machine Learning Methods for Mass Real Estate Appraisal
(Fen Bilimleri Enstitüsü, 2022)In this thesis, the use of machine learning (ML) approaches for the purpose of real estate mass appraisal was investigated using five different methods in a large area considering the efficiency, accuracy, and transparency. ... -
Aşırı Gradyan Artırma Algoritması Kullanarak Sentinel-1 Zaman Serisi Görüntülerinden Ürün Sınıflandırma
(Fen Bilimleri Enstitüsü, 2021-02-25)In this thesis, machine learning algorithms were used and made comparison to make classification of summer crop types in Gediz plain by using multitemporal Sentinel-1 SAR satellite images. Extreme Gradient Boosting (XGBoost) ... -
Automatic Reconstruction and Efficient Visualization of 3D City Models
(Fen Bilimleri Enstitüsü, 2023-04-19)Today, migration from rural areas, continuous change in cities and the increasing complexity of their structure yielded the need of new methods to increase efficiency in their management. The demand for 3 dimensional (3D) ... -
Automatıc Roof Plane Extractıon From Lıdar Data Usıng Ransac Algorıthm
(Fen Bilimleri Enstitüsü, 2018-07-05)Automatic image processing and object extraction from airborne data have become an important topic of research in the field of photogrammetry and remote sensing. The aerial laser scanning system, also known as LiDAR, has ... -
Change Detectıon of Buildings from High Resolution Satellite Imagery and Existing Map Data Using Object Based Classification
(Fen Bilimleri Enstitüsü, 2015)The automatic and accurate detection of buildings and the changes of buildings in urban environment is important for the efficient updating of geographic databases, decision makers, urban planning and management. In this ... -
Classıfıcatıon of Poınt Clouds Acquıred Through Mobıle Laser Scanner in Urban Areas Usıng Geometrıc and Shape Features
(Fen Bilimleri Enstitüsü, 2021)The mobile laser scanners (MLS) serve as a high density, high accurate and faster data collection method for urban areas from a street-level surveying perspective. The major processing phases of a MLS point cloud classification ... -
Comparative Calculation of 3-Dimensional Surface Area and Water Flow Direction from Digital Elevation Models: A Case Study For The Agricultural Land in Eskisehir-Cifteler Irrigation
(Fen Bilimleri Enstitüsü, 2023-06-23)The significance of agricultural production and, consequently, numerous agriculture-related parameters are becoming the primary focus of the digitalized world, and with the 2019 pandemic, the significance of food was ... -
Comparison of Single, Dual and Triple Frequency Cycle-Slip Detection Methods for Multi-GNSS
(Fen Bilimleri Enstitüsü, 2023-09-14)Global Navigation Satellite Systems (GNSS) is now widely recognized as a revolutionary invention in navigation and precise positioning on the Earth. The development of positioning systems from space, which started with GPS ... -
Çevrimiçi Market Alışveriş Tercihleri ile Perakende Marketler Arasındaki İlişkiler: Ankara - Çankaya İlçesi Örneği
(Fen Bilimleri Enstitüsü, 2022-02)With the improvement of infrastructures in information communication technologies (ICT) and the acceleration of individuals' adaptation to mobile devices, individuals have become "online" in a significant part of their ... -
Development of A Deep Learnıng Assısted Webgıs Framework for Updatıng Buıldıng Databases
(Fen Bilimleri Enstitüsü, 2022)The diversity of the methods for geodata collection has increased significantly in recent years. The need for automated approaches for updating geodatabases has also increased in parallel to this development. In addition ... -
Development of a Web Based 3D Visualization and Analytics Platform for Post-Earthquake Assessment
(Fen Bilimleri Enstitüsü, 2021)Earthquakes are one of the frequently encountered natural hazards. The natural hazards may cause losses of lives, properties, and sometimes both. A thorough investigation of different forms of geoinformation is needed to ... -
EcoSnap: A Mobile Application for Enhancing Governance and Addressing Environmental Issues in Smart Cities
(Fen Bilimleri Enstitüsü, 2023)With the increasing population and urbanization, urban planning has become a complex and challenging task. In recent years, the concept of smart cities has emerged as a potential solution to these challenges by integrating ... -
Effects Of The Troposphere Delay Mappıng Functıons And The Elevatıon Cut Off Angles On The Tıme Serıes Of Statıon And Radıo Source Coordınates As Well As Earth Orıentatıon Parameters As Estımated From The Observatıons Of The Vlbı Technıque
(Fen Bilimleri Enstitüsü, 2020-07)Very Long Baseline Interferometry (VLBI) is a space geodetic technique that observes the radio wave signals at S and X radio frequencies using the Earth fixed antennas (nowadays broadband i.e. from 2 to 8 GHz observables ... -
Enhancement of Real-time Absolute GNSS Positioning Performance
(Fen Bilimleri Enstitüsü, 2021-06-02)In recent years, the Global Navigation Satellite System (GNSS) community has experienced dramatic changes with the influence of global technological trends, such as digitalization, big data, artificial intelligence, unmanned ... -
Flood Susceptibility Mapping for Ankara Using Modified Analytical Hierarchy Process (M-AHP)
(Fen Bilimleri Enstitüsü, 2020)Many natural disasters occur in the world and affect both the economies of countries and people’s lives. These disasters can happen in the forms of earthquakes, landslides, tsunamis, droughts, floods, etc., and many ... -
Forecasting of Global Vertical Total Electron Content Based on Trigonometric B-Spline with Long Short Term Memory
(Fen Bilimleri Enstitüsü, 2021)Short term forecasting of Ionosphere is not only an important topic for both near real-time applications such as single frequency point positioning and navigation, but also monitoring the ionosphere by data assimilation ...