Course Details

3D data collection and processing

Academic Year 2022/23

NEA036 course is part of 1 study plan

​ NPC-GK Summer Semester 1st year

Determination of coordinates of control points and check points.
Acquisition of photogrammetric images and camera calibration, image orientation, and creation of a 3D point cloud and mesh model.
Acquisition of laser scans, registration in the point cloud, coloring, georeferencing into the S-JTSK, and Bpv.
Creation of a total point cloud and 3D mesh model, optimization of the mesh model topology.
Analysis of the accuracy of the resulting model with the help of control points and a reference cloud.
Publication and transmission of results, including quality assessment.

Course Guarantor

doc. Ing. Dalibor Bartoněk, CSc.

Institute

Institute of Geodesy

Prerequisites

Advanced knowledge of methods of geodetic measurements and coordinate calculations. Basic knowledge of 3D laser scanning technology. Basic knowledge of photogrammetric methods and procedures for acquisition and processing of digital images.
















Navrhněte úpravu






















































































Fundamentals of Programming, Interactive Graphic Systems, Computer Graphics.



Language of instruction

Czech

Credits

3 credits

Semester

summer

Forms and criteria of assessment

graded course-unit credit

Specification of controlled instruction, the form of instruction, and the form of compensation of the absences

Extent and forms are specified by guarantor’s regulation updated for every academic year.

Offered to foreign students

Not to offer

Course on BUT site

https://www.vut.cz/en/students/courses/detail/254544

Exercise

13 weeks, 3 hours/week, compulsory

Syllabus

1. Surveying and calculation of coordinates of control and check points, data collection planning.
2. Photogrammetric imagery capturing of the object and camera calibration.
3. Image orientation and creation of 3D point cloud and mesh model.
4. Analysis of accuracy, assessment of methods and factors.
5. Laser scanning, acquisition of laser scans of the object
6. Laser scanning, the connection of laser scans into a point cloud, RGB coloring, color correction, point cloud georeferencing, export
7. Connection of laser and photogrammetric point cloud, decimation, point cloud trimming
8. Mesh model creation, mesh model network optimization, model retopology
9. Differential analysis of individual mesh models, assessment of the model quality
10. Publication of 3D model in various environments, a summary of procedures and quality control of the resulting model, delivery of the results