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- W4384564314 abstract "Abstract The most important advantages of robotic welding are precision and productivity. Introducing visual systems in welding allows one to easily position the elements that are welded. The robot will then perform welding without error after recording the welding points. The application of visual systems in robotics is very important because it enables the autonomous work of the robot. Stereo vision is used for three-dimensional reconstruction of the robot’s environment based on images captured by cameras. The stereo system consists of two cameras and a computer that processes the recorded images using appropriate programs and algorithms. The accuracy of estimating coordinates in space using a visual system is very important, it is necessary to estimate the parameters of the cameras and define their dependence. The relationship between the two cameras, as well as their basic parameters, are assessed by camera calibration. After calibrating the camera for each 2D coordinate, obtained from the camera sensor, it is possible to determine which set of points it belongs to in the 3D coordinate system. One of the most important and most difficult problems in the reconstruction of a 3D object is finding points on the planes of images that were created from the same physical point. The problem of correspondent points is also considered in this paper. To present the efficiency and reliability of the proposed solution for obtaining 3D coordinates of points in space, the proposed solution was tested in the laboratory and satisfactory results are obtained." @default.
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- W4384564314 date "2023-07-01" @default.
- W4384564314 modified "2023-09-25" @default.
- W4384564314 title "Stereo vision based robot welding" @default.
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- W4384564314 doi "https://doi.org/10.1088/1742-6596/2540/1/012017" @default.
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