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Determining floor flatness using laser scanning
Matušková, Klára ; Kalvodová, Petra (referee) ; Kalvoda, Petr (advisor)
The aim of the diploma thesis was to determine the flatness of the floor using two methods, levelling and laser scanning, their subsequent comparison and evaluation of differences between them. The thesis deals mainly with laser scanning and namely the used scanner and the software for point cloud processing. Furthermore, there is a compilation of existing technical standards dealing with this topic.
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The surveing of specific elements in the area of Admas
Koukal, Pavel ; Kalvoda, Petr (referee) ; Hanzl, Vlastimil (advisor)
The diploma thesis consists of two fundamental parts. The first part is focused on scanning a section of the Admas area by a terrestrial laser scanner. This section describes the introduction to laser scanning, necessary utilities and software, fieldwork, the process from the registration of a point cloud, through point cloud processing to its connection into the S-JTSK. The second part of the thesis is mostly focused on execution of the digital model of the relief from the acquired data. It also deals with the two methods of creating a cross-sectional drawing of the area - one is based on the digital model of the relief and the other on data obtained by the polar method. The outcome of the thesis is to assess the accuracy of the topographical model, based on the comparison with the polar method.
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Extraction of Landscape Elements from Remote Sensing Data
Ferencz, Jakub ; Kalvoda, Petr (referee) ; Hanzl, Vlastimil (advisor)
This master thesis deals with a classification technique for an automatic detection of different land cover types from combination of high resolution imagery and LiDAR data sets. The main aim is to introduce additional post-processing method to commonly accessible quality data sets which can replace traditional mapping techniques for certain type of applications. Classification is the process of dividing the image into land cover categories which helps with continuous and up-to-date monitoring management. Nowadays, with all the technologies and software available, it is possible to replace traditional monitoring methods with more automated processes to generate accurate and cost-effective results. This project uses object-oriented image analysis (OBIA) to classify available data sets into five main land cover classes. The automate classification rule set providing overall accuracy of 88% of correctly classified land cover types was developed and evaluated in this research. Further, the transferability of developed approach was tested upon the same type of data sets within different study area with similar success – overall accuracy was 87%. Also the limitations found during the investigation procedure are discussed and brief further approach in this field is outlined.
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Documentation bridge using terrestrial scanning
Ferencová, Anna ; Kalvoda, Petr (referee) ; Hanzl, Vlastimil (advisor)
The aim of this bachelor work is to scan with help of ground-based scanner bridge structure, which is part of the area of faculty of building VUT in Brno. Content of this work is theoretical base and consecutive practical elaboration of measured data. The result is effectuation of 3D model and examination of accuracy on control points.
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Comparation of the Methods Generation of Tie Points in Aerotriangulation
Hromková, Zuzana ; Kalvoda, Petr (referee) ; Hanzl, Vlastimil (advisor)
The subjekt of this bachelor´s thesis is to compare the methods of generation of tie points in aerotriangulation using the program Photomod 4.3 made by Russian company Racurs. Part of this thesis is a detailed of description of the project initialization, subsequent implementation of aerotriangulation and bundle block adjustment in Photomod on those images. The result is a comparison of elements of exterior orientation. and coordinate determined points processed in tables and graphs.
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Creation of thematic map of park
Karafiát, Lukáš ; Řezníček, Ivo (referee) ; Kalvoda, Petr (advisor)
The bachelor thesis deals with creating a thematic map of park Zahájené located in Bystřice pod Hostýnem. In the first part there are described terms and used methods occurring in this bachelor thesis in general. Second part is dedicated to measurement procedure and following creation of the thematic map in scale 1:500.
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Data capture for creation of DTM
Ondráček, Daniel ; Šváb,, Tomáš (referee) ; Kalvoda, Petr (advisor)
This thesis deals with the the capture of data for digital terrain model. The specified location was measured in cooperation with the student Tomáš Kobližek. Surveying networks were auxiliary survey points that were measured by GNSS. Measurements were connected to the system Uniform Trigonometric Cadastral Network and Baltic height system after the settlement. Detailed points were measured by tacheometry and comply with third accuracy class and have been tested by CSN 01 3410. The main result of this thesis is special map at scale of 1:500.
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Creation of thematic map of Veveří locality
Raclavský, David ; Vondrák, Jiří (referee) ; Kalvoda, Petr (advisor)
The result of the bachelor thesis is a tematic map of Veveří location located in the city Brno district of Brno-center, which will be used for teaching purposes for the Faculty of Civil Engineering BUT. The map surveyed and produced accordance with ČSN 01 3410 [5] and ČSN 01 3411[9]. Detailed surveying was performed by tacheometry method.
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3D model of the selected object
Veselý, Milan ; Nosek, Jakub (referee) ; Kalvoda, Petr (advisor)
The aim of the thesis was to assess the accuracy of photogrammetric results from images taken with a low-cost Xiaomi Mi 10T Pro camera and a professional digital SLR camera Canon EOS 6D Mark II with a 24 mm fixed lens. The chapel of St. John of Nepomuk near Guntramovice was chosen as the subject for the images. Forty-nine insertion and control points were targeted and scanned at the chapel. Block and beam alignment and creation of 3D mesh models was performed in Bentley ContexCapture software. The standard deviations of all three axes (X, Y, Z) and positional standard deviation on the control points and deviations relative to a reference point cloud acquired with a ground-based laser scanner were statistically tested. The results show that, with the right imaging and processing methods, comparable results can be achieved using a low-cost camera.
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Documentation of Rokštejn using laser scanning
Schwarz, Jakub ; Kalvoda, Petr (referee) ; Hanzl, Vlastimil (advisor)
The aim of this thesis is the measure of the Rokštejn castle by laser scanning. The measured data are processed in the SCENE software and accuracy of registration and transformation of scans is intended. The next step is to test the software for working with point cloud. In the end, is in the selected 3D software created 3D model of the castle by using processed point cloud.
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