Qifei ZhouChangqing ZhuNa Ren2025-05-142025-05-142021jz000145-0555https://tustorage.ulb.tu-darmstadt.de/handle/tustorage/22006550Zero Watermarking for the TIN DEM Data Based on the Edge LengthArticlehttps://doi.org/10.3390/ijgi10080559