Title:	The color recognition methods for the active markers in the motion capture system, using various techniques, including ML
Authors:	Mrzyglod, Jan Kowalski, Przemysław
Citation:	WSCG 2024: full papers proceedings: 32. International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision, p. 395-402.
Issue Date:	2024
Publisher:	Václav Skala - UNION Agency
Document type:	konferenční příspěvek conferenceObject
URI:	http://hdl.handle.net/11025/57415
ISSN:	2464–4625 (online) 2464–4617 (print)
Keywords:	barevný prostor;detekce barev;detekce markerů;zpracování obrazu;počítačové vidění;virtuální realita;strojové učení;reálný čas
Keywords in different language:	color space;color detection;marker detection;image processing;computer vision;virtual reality;machine learning;real time
Abstract in different language:	The article focuses on a method for reliably identify moving colored artificial markers in real-time. The marker was used to determine the 3D position in the space of the user(s). The goal was to ensure that points were found and identified predictably and reliably by many cameras simultaneously, which, with appropriate calibration, merging, and processing of the data, could provide reliable information about the current 3D position of a given point in real-time. This information was crucial to other components of the broader vision system (VR platform). The problems encountered and the remedial methods discussed in the presentation concern several aspects that we encountered during research, such as changes in lighting conditions, the quality (and stability) of the generated light and color, the dependence of color recognition on the distance of the light source from the camera matrix, aspects of light reflections, and many others. During our research, we analyzed various RGB/RGBW LED light sources from different manufacturers, which are characterized by different light generation characteristics. We also used a light diffuser. Using different sets of cameras and lighting conditions, we conducted several studies and experiments. During the research, we managed to find basic colors for our marker-tracking visual system that met the goals. We have proposed an algorithm to deal with the problem and demonstrate the reliability of the visual layout with the algorithm. During our research, we used both conventional and alternative techniques related to ML.
Rights:	© Václav Skala - UNION Agency
Appears in Collections:	WSCG 2024: Full Papers Proceedings

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