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| 1 | Sensitivity analysis of parameters and contrasting performance of ground filtering algorithms with UAV photogrammetry-based and LiDAR point clouds显示文摘Most ground filtering algorithms are primarily designed for airborne LiDAR point cloud processing and their successful use in identifying ground points from photogrammetric point clouds remains questionable.We compared six ground filtering algorithms implemented in Metashape,ArcGIS,CloudCompare,LAStools,and PDAL.We used UAV photogrammetry-based(acquired under leaf-off conditions)and airborne LiDAR(leaf-on)point clouds of the same area to:(i)compare accuracy of generated DTMs;(ii)evaluate the effect of vegetation density and terrain slope on filtering accuracy;and(iii)assess which algorithm parameters have the greatest effect on the filtering accuracy.Our results show that the performance of filtering algorithms was affected by the point cloud type,terrain slope and vegetation cover.The results were generally better for LiDAR(RMSE 0.13–0.19 m)than for photogrammetric(RMSE 0.19–0.23 m)point clouds.The behavior in varying vegetation and terrain conditions was consistent for LiDAR point clouds.However,when applied on photogrammetric point clouds,the algorithms’behavior was inconsistent,especially in areas of steep slope(except for the Progressive Triangulated Irregular Network in LAStools).Parameters related to the selection of the initial minimum elevation ground points were the most influential in all algorithms and point clouds. | Petr Klápště Michal Fogl Vojtěch Barták Kateřina Gdulová Rudolf Urban Vítězslav Moudrý | 2020 | International Journal of Digital Earth2020，13，12： | 2 |
| 2 | Early risk and predictors of cerebrovascular and cardiovascular events in transient ischemic attack and minor ischemic stroke显示文摘 | Kate M Sylaja PN Chandrasekharan K | 2012 | Neurol India2012，60，2： | 1 |
| 3 | Effects of herbivory on the reproductive effort of 4 prairie显示文摘 | Erica S Kate L B Johannes M H K | 2002 | BMC Ecology2002，2，： | 1 |
| 4 | Employee creativity in taiwan : an application of role identity theory 显示文摘 | Farmer S M Pamela T Kate K - M | 2003 | The Academy of Management Journal2003，46，5： | 1 |
| 5 | Lipopolysaccharide decreases single immunoglobulin interleukin-1 receptor-related molecule (SIGIRR) expression by suppressing specificity protein 1 (Spl) via the Toll-like receptor 4 (TLR4)-p38 pathway in monocytes and neutrephils显示文摘 | Ueno-Shuto K Kate K Tasaki Y | 2014 | J Biol Chem2014，289，18： | 1 |
| 6 | Appropriate use of nasal continuous positive airway pressure decreases elevated C-reactive protein in patients with obstructive sleep apnea显示文摘 | Ishida K Kato M Kate Y et a1 | 2009 | Chest2009，136，1： | 1 |
| 7 | Multichannel dynamic- range compression using digital frequency warping 显示文摘 | KATES J M AREHART K H | 2005 | EURASIP Journal on Applied Signal Processing2005，18，： | 1 |
| 8 | Screening for depression in people with cancer: the accuracy of the hospital anxiety and depres- sion scale显示文摘 | Rachel M Kate K Stephen B | 2005 | Clin Effe in Nursing2005，9，3： | 1 |
| 9 | Urokinasetype plasminogen activator and its inhibitor PAI-1:nove tumorderived factors with a high prognistic and predictive impact in breast cancer显示文摘 | HARBECK N KATES R E GARGER K | 2004 | Thromb Haemost2004，91，3： | 1 |
| 10 | High absolute risks and predictors of venous and arterial thromboembolic events in patients with nephrotic syndrome:resuits from a large retrospective cohort study显示文摘 | Mahmoodi B K ten Kate M K Waanders F | 2008 | Circulation2008，117，2： | 1 |
| 11 | Parsing the relations between SES and stress reactivity:Examining individual differences in neonatal stress response显示文摘 | Dana G Desia G | 2007 | Infant Behavior and Development2007，30，1： | 1 |
| 12 | Analysis of pedestrian movement in bi-directional flow 显示文摘 | Kate K Uehara T Nakamura K Yoshioka M | 1980 | Architectural Institute of Japan1980，289，4： | 1 |
| 13 | Soil microbial and nutrient dynamics in a wet arctic sedgemeadow in latewinter and earlyspring显示文摘 | KATE A E JENNIFER M PETER K G etal | 2006 | Soil Biology and Biochemistry2006，38，9： | 1 |
| 14 | Diagnosis of mastitis for therapy deci- sions 显示文摘 | Philip M S Kate K M | 2003 | Vet Clin Food Anim2003，19，1： | 1 |
| 15 | Early risk and pre-dictors of cerebrovascular and cardiovascular events in transient ischemic attack and minor ischemic stroke 显示文摘 | Kate M Sylaja PN Chandrasekharan K | 2012 | Neurel India2012，60，2： | 1 |
| 16 | The future of Compute forensics: A needsanalysis survey显示文摘 | Marcus R Kate K S | 2004 | Computers and security2004，23，1： | 1 |
| 17 | The Toxicity of Emamectin Benzoate, An Aquaculture Pesticide, to Planktonic Marine Cnpepods显示文摘 | KATE J WILLIS K J LING N | 2003 | Aquaculture2003，221，4： | 1 |
| 18 | Multi-channel dynamic range compression using digital frequency warping显示文摘 | KATES J M AREHART K H | 2005 | EURASIP Journal of Applied Signal Processing2005，18，： | 1 |
| 19 | Urokinase-type plasminogen activator(uPA) and its inhibitor PAI-I:novel tumor-derived factors with a high prognostic and predictive impact in breast cancer显示文摘 | Harbeck N Kates RE Gauger K | 2004 | Thromb Haemost2004，1，3： | 1 |
| 20 | Multicentre double blind trial of fluoxetine verus amitriptyline in the treatment of depressive illness显示文摘 | Fiona K Judd Kate Moore | 1993 | Australian and New Zealand Journal of Psychiatry1993，27，： | 1 |
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