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A Study on Design and Interpretation of Pattern Laser Coordinate Tracking Method for Curved Screen Using Multiple Cameras  

Jo, Jinpyo (한밭대학교 컴퓨터공학과)
Kim, Jeongho (한밭대학교 컴퓨터공학과)
Jeong, Yongbae (한국폴리텍 VII 대학 스마트팩토리과)
Publication Information
Journal of Platform Technology / v.9, no.4, 2021 , pp. 60-70 More about this Journal
Abstract
This paper proposes a method capable of stably tracking the coordinates of a patterned laser image in a curved screen shooting system using two or more channels of multiple cameras. This method can track and acquire target points very effectively when applied to a multi-screen shooting method that can replace the HMD shooting method. Images of curved screens with severe deformation obtained from individual cameras are corrected through image normalization, image binarization, and noise removal. This corrected image is created and applied as an Euclidean space map that is easy to track the firing point based on the matching point. As a result of the experiment, the image coordinates of the pattern laser were stably extracted in the curved screen shooting system, and the error of the target point position of the real-world coordinate position and the broadband Euclidean map was minimized. The reliability of the proposed method was confirmed through the experiment.
Keywords
Machine Vision System; Simulated shooting system; screen shooting system; laser image processing; multi projection;
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