Course Details
3D data collection and processing
Academic Year 2024/25
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.
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.
Credits
3 credits
Language of instruction
Czech
Semester
summer
Course Guarantor
Institute
Forms and criteria of assessment
graded course-unit credit
Entry Knowledge
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.
Navrhněte úpravu
Fundamentals of Programming, Interactive Graphic Systems, Computer Graphics.
Offered to foreign students
Not to offer
Course on BUT site
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