Summary of Contents for TrackMen VioTrack R+
- Page 1 VioTrack R+ Optical camera tracking-system for virtual graphics A product of TrackMen User Guide Version 1.1 (EN), May 2021...
- Page 2 VioTrack R+ User Guide © 2019 TrackMen Ltd. All rights reserved. Except as otherwise permitted by TrackMen Ltd., this publication, or parts thereof, may not be reproduced in any form, by any method, for any purpose. Disclaimer THIS PUBLICATION AND THE INFORMATION CONTAINED HEREIN IS MADE AVAILABLE BY TRACKMEN LTD.
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Page 3: Table Of Contents
Mounting Slave Camera: Calculation of Offset ...... 13 Master Camera Lens ..............16 Data connection to the tracking workstation ......21 Remote access ................21 Advanced settings Network ..................22 Configuring transmitters ............22 Delay of tracking data ...............23 Coordinate system ..............25 Appendix System design ................26 TrackMen GmbH... -
Page 4: Daily Use
(illustration 1-1). In the VioTrack Master video, the C key can be used to display a wireframe cube which is on the ground at the origin (illustration 1-2) and becomes larger and smaller when zooming analogously to the real video. Illustration 1-2: Master Video with wireframe cube TrackMen GmbH... -
Page 5: User Interface
3. VioTrack R: the slave process of camera tracking with an embedded video. The master process and the associated video are displayed in Illustration 1-3: VioTrack R User Interface with Open VioTrack R Slave Process separate open windows. TrackMen GmbH... -
Page 6: Switch On Error Diagnostics
2. In the VioTrack R window, click on Settings. Illustration 1-4: VioTrack R Window without Slave Camera Video 3. In the Settings window, click to the tab labeled Camera. 4. Click on Restart Image Source. Illustration 1-5: VioTrack R Camera Settings TrackMen GmbH... - Page 7 If the scenery has changed permanently or the current lighting situation should be used for an alternative, selectable show configuration, a new reconstruction must be created and saved. See section 3.2. Illustration 1-8: Load reconstruction under optimized conditions with Load Reconstruction TrackMen GmbH...
- Page 8 Illustration 1-10: System Log Display with correctly attached IMU data with Dump IMU- option enabled. 3. If the data still does not appear, check cable connections. Disconnecting and reconnecting the connection could help. Illustration 1-11: Cable connection of the IMU (Small case on the tracking camera) TrackMen GmbH...
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Page 9: Real Environment
(see section 2.3.2). Illustration 1-13: Reconstruction as a point cloud. Below the already located floor as a grid. The yellow line shows the camera movement between the keyframes. TrackMen GmbH... -
Page 10: Initialization: Create New Reconstructions
Illustration 1-15: Set automatic keyframes by moving through the room. Indicators for set • Only pan or tilt movements hardly provide new 3D data and are keyframes light up green in the video. to be combined with movement. TrackMen GmbH... - Page 11 6. If the results are good, press Save Reconstruction in the VioTrack R window. 7. Switch off the further gathering of points by removing the check of the Allow Extension option in the VioTrack R window. Illustration 1-18: Finish the reconstruction creation TrackMen GmbH...
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Page 12: Rework: Expanding Reconstructions
5. Enable the Allow Extension option. 6. Continue to study the environment as described in section 3.2 in points 3 to 7. It is suffcient to drive through the new areas. Illustration 1-20: Collect new keyframes based on the loaded reconstruction TrackMen GmbH... -
Page 13: Error Diagnosis Initialization
Illustration 1-22: Extension of the reconstruction by means of the camera with already known image contents in sight. Pan and Tilt alone do not bring new 3D information if they are not connected to motion. TrackMen GmbH... - Page 14 2.d Further brightness can be obtained by selecting gain. This can be set as a standard of up to 10dB but should not be increased above 15. Illustration 1-23: Adjust the brightness of the camera. Switch to the normal display mode. TrackMen GmbH...
- Page 15 2.f Customize the Theshold. The markers should appear white and be clearly recognizable as rings or filled circles. For fully visible markers, a yellow drawing and a number are displayed. Illustration 1-25: Clearly detected markers are drawn in yellow and displayed with their code TrackMen GmbH...
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Page 16: Maintenance
1. Place the calibration pattern firmly on a perfectly flat surface. The alignment is recognizable by the three rings in each pattern and rotated as in illustration 1-28. Illustration 1-28: Example of affxing the c alibration patter for the c amera oosett; the steel door ooers a flat surface. TrackMen GmbH... - Page 17 TrackMen needs to be manipulated. Thus, the calibration remains valid. The calibration of the master camera must be renewed when the lens and the camera head have been separated and reassembled. Illustration 1-30: Selection of lens calibrations. TrackMen GmbH...
- Page 18 14. Click on Save in the VioTrack R Master window, to retain the changed offset. Unlike lens calibration, it is not necessary to capture the entire video Illustration 1-32: Save the changes to the VioTrack R Master. image and fill it with green dots during the offset shots! TrackMen GmbH...
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Page 19: Master Camera Lens
Illustration 1-34). This variance must be reported in the graphic. After each lens installation, detailed in the steps listed below. Illustration 1-34: Visualization of Center Shift 2: After zooming out, the graphic has moved away from the object without moving the camera. TrackMen GmbH... - Page 20 Fine adjustment can be performed by shifting the graphic with Center X and Center Y. Illustration 1-35: Center a corner in the image. Position the wireframe cube and a real object so that they meet at this corner. TrackMen GmbH...
- Page 21 8. Check that the graphic now remains in the same position in the center of the image when zooming in and out. 9. Click on Save. Illustration 1-37: Result: Zooming in, the cube remains in its position in the center of the image TrackMen GmbH...
- Page 22 7. Add more shots where the green dots are underrepresented or do not reach the edges. 8. About 15 to 30 recordings should have been generated. Illustration 1-39: The calibration process in VioTrack R Lens Calibration TrackMen GmbH...
- Page 23 13. Select the calibration for future offset calculations: Start the Offset Calculator from the TOOLS menu. 14. Open Settings and switch to the tab labeled Master. 15. Select the current lens calibration in the Calibration file Drop- down menu and click on Save. TrackMen GmbH...
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Page 24: Data Connection To The Tracking Workstation
The operating system operates a VNC server that allows remote access over the network via a VNC viewer, which is available as freeware from different vendors. The access data is the same as in section 4.3 for FTP access. TrackMen GmbH... -
Page 25: Advanced Settings
(see section 2.1). With the exception of changing addresses, there is no option that stops the tracking data from being sent. Illustration 1-42: Sender tab in the master window, here exemplary for the provider Ventuz. TrackMen GmbH... -
Page 26: Delay Of Tracking Data
3. Set a video delay in frames on the keyer so that the graphics are slightly ahead. 4. Gradually increase the Sample Delay (ms) until the graphics are synchronized with the video. TrackMen GmbH... - Page 27 The minimum value is 0. The upper limit depends on the setting of the Sample Delay (ms) in the tab labeled Delay. Too high a value will then no longer cause a change in the transmission time beyond the maximum time. Illustration 1-44: IMU Tab in the VioTrack Master Window TrackMen GmbH...
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Page 28: Coordinate System
Move and rotate, or vice versa. Keep in mind that the changes entered in the Relocator affect all Illustration 1-46: Relocator tab for centrally adjusting the position and orientation in the reconstructions and are sent to each graphics engine. VioTrack Master. TrackMen GmbH... -
Page 29: Appendix
Linux as a fi rmware-like operating system. It calculates and then sends the tracking data over network to the graphics engines. Serial signals are converted to USB. The full functionality of the system is tied to a hardware dongle license. TrackMen GmbH...
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