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3D Dense Reconstruction of Plant or Tree Canopy Based on Stereo Vision CIGR Journal
Ni, Zhijiang; Burks, Thomas F..
Three dimensional (3D) reconstruction of the plant or tree canopy is an important step in order to measure canopy geometry, such as, height, width, volume, and leaf cover area. In this research, binocular stereo vision was used to recover the 3D information of the canopy. A revised camera calibration method was provided to calibrate the cameras in world coordinate system. Only two images were used to realize a dense reconstruction. These two images were firstly rectified to make sure the corresponding feature points in the left and right images were on the same horizontal line. An efficient large scale stereo matching (ELAS) algorithm was used to find the disparity map. The plant or tree canopy was finally reconstructed based on these calibrated camera...
Tipo: Info:eu-repo/semantics/article
Ano: 2018 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/4358
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