Research on the Calculation and Analysis of Ski-Track Areas Based on Laser Point Clouds by Wenxin Wang, Changming Zhao, Haiyang Zhang

“…In this method, all point clouds are first projected onto the fitting plane using the random sample consensus (RANSAC) method. An improved point cloud boundary extraction algorithm is used to triangulate and extract the high-precision ski-track boundary. …”
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A New Method of Ski Tracks Extraction Based on Laser Intensity Information by Wenxin Wang, Changming Zhao, Haiyang Zhang

“…By comparing the proposed method to the Euclidean distance method, the clustering segmentation method, and the RANSAC method, the average extraction accuracy is increased by 16.9%, while the over extraction rate is reduced by 8.4% and the under extraction rate is reduced by 8.6%, allowing us to accurately extract the ski track point cloud of a ski resort.…”
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PR-Alignment: Multidimensional Adaptive Registration Algorithm Based on Practical Application Scenarios by Wenxin Wang, Changming Zhao, Haiyang Zhang

“…By adding target scene classification information to the RANSAC algorithm, combined with geometric matching and photometric matching, we are able to complete the adaptive estimation of the transformation matrix. …”
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