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ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Articles | Volume V-2-2020
https://doi.org/10.5194/isprs-annals-V-2-2020-151-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/isprs-annals-V-2-2020-151-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
03 Aug 2020
| 03 Aug 2020
GEOMETRY-BASED REGULARISATION FOR DENSE IMAGE MATCHING VIA UNCERTAINTY-DRIVEN DEPTH PROPAGATION
M. Höllmann
Plan-Based Robot Control Group, German Research Center for Artificial Intelligence (DFKI), Osnabrück, Germany
M. Mehltretter
Institute of Photogrammetry and GeoInformation, Leibniz University Hannover, Germany
C. Heipke
Institute of Photogrammetry and GeoInformation, Leibniz University Hannover, Germany
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M. Coenen, T. Schack, D. Beyer, C. Heipke, and M. Haist
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ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., V-3-2021, 181–189, https://doi.org/10.5194/isprs-annals-V-3-2021-181-2021, https://doi.org/10.5194/isprs-annals-V-3-2021-181-2021, 2021
R. B. Andrade, G. A. O. P. Costa, G. L. A. Mota, M. X. Ortega, R. Q. Feitosa, P. J. Soto, and C. Heipke
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLIII-B3-2020, 1497–1505, https://doi.org/10.5194/isprs-archives-XLIII-B3-2020-1497-2020, https://doi.org/10.5194/isprs-archives-XLIII-B3-2020-1497-2020, 2020
P. J. Soto, G. A. O. P. Costa, R. Q. Feitosa, P. N. Happ, M. X. Ortega, J. Noa, C. A. Almeida, and C. Heipke
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLIII-B3-2020, 1635–1643, https://doi.org/10.5194/isprs-archives-XLIII-B3-2020-1635-2020, https://doi.org/10.5194/isprs-archives-XLIII-B3-2020-1635-2020, 2020
M. Voelsen, J. Bostelmann, A. Maas, F. Rottensteiner, and C. Heipke
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLIII-B3-2020, 767–774, https://doi.org/10.5194/isprs-archives-XLIII-B3-2020-767-2020, https://doi.org/10.5194/isprs-archives-XLIII-B3-2020-767-2020, 2020
J. Kang, L. Chen, F. Deng, and C. Heipke
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLIII-B2-2020, 135–142, https://doi.org/10.5194/isprs-archives-XLIII-B2-2020-135-2020, https://doi.org/10.5194/isprs-archives-XLIII-B2-2020-135-2020, 2020
A. Gujrathi, C. Yang, F. Rottensteiner, K. M. Buddhiraju, and C. Heipke
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLIII-B2-2020, 667–673, https://doi.org/10.5194/isprs-archives-XLIII-B2-2020-667-2020, https://doi.org/10.5194/isprs-archives-XLIII-B2-2020-667-2020, 2020
P. Trusheim and C. Heipke
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLIII-B1-2020, 363–370, https://doi.org/10.5194/isprs-archives-XLIII-B1-2020-363-2020, https://doi.org/10.5194/isprs-archives-XLIII-B1-2020-363-2020, 2020
A. Sledz, J. Unger, and C. Heipke
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLIII-B1-2020, 499–505, https://doi.org/10.5194/isprs-archives-XLIII-B1-2020-499-2020, https://doi.org/10.5194/isprs-archives-XLIII-B1-2020-499-2020, 2020
L. Chen, F. Rottensteiner, and C. Heipke
ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., V-2-2020, 25–33, https://doi.org/10.5194/isprs-annals-V-2-2020-25-2020, https://doi.org/10.5194/isprs-annals-V-2-2020-25-2020, 2020
M. Mehltretter
ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., V-2-2020, 161–169, https://doi.org/10.5194/isprs-annals-V-2-2020-161-2020, https://doi.org/10.5194/isprs-annals-V-2-2020-161-2020, 2020
C. Yang, F. Rottensteiner, and C. Heipke
ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., V-2-2020, 599–607, https://doi.org/10.5194/isprs-annals-V-2-2020-599-2020, https://doi.org/10.5194/isprs-annals-V-2-2020-599-2020, 2020
C. Kruse, F. Rottensteiner, and C. Heipke
ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., V-2-2020, 861–870, https://doi.org/10.5194/isprs-annals-V-2-2020-861-2020, https://doi.org/10.5194/isprs-annals-V-2-2020-861-2020, 2020
C. Yang, F. Rottensteiner, and C. Heipke
ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., V-3-2020, 339–346, https://doi.org/10.5194/isprs-annals-V-3-2020-339-2020, https://doi.org/10.5194/isprs-annals-V-3-2020-339-2020, 2020
A. K. Neves, T. S. Körting, L. M. G. Fonseca, C. D. Girolamo Neto, D. Wittich, G. A. O. P. Costa, and C. Heipke
ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., V-3-2020, 505–511, https://doi.org/10.5194/isprs-annals-V-3-2020-505-2020, https://doi.org/10.5194/isprs-annals-V-3-2020-505-2020, 2020
D. Clermont, C. Kruse, F. Rottensteiner, and C. Heipke
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-2-W16, 67–74, https://doi.org/10.5194/isprs-archives-XLII-2-W16-67-2019, https://doi.org/10.5194/isprs-archives-XLII-2-W16-67-2019, 2019
C. Kruse, F. Rottensteiner, and C. Heipke
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-2-W13, 51–60, https://doi.org/10.5194/isprs-archives-XLII-2-W13-51-2019, https://doi.org/10.5194/isprs-archives-XLII-2-W13-51-2019, 2019
C. Yang, F. Rottensteiner, and C. Heipke
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-2-W13, 139–146, https://doi.org/10.5194/isprs-archives-XLII-2-W13-139-2019, https://doi.org/10.5194/isprs-archives-XLII-2-W13-139-2019, 2019
M. Coenen, F. Rottensteiner, and C. Heipke
ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., IV-2-W5, 21–28, https://doi.org/10.5194/isprs-annals-IV-2-W5-21-2019, https://doi.org/10.5194/isprs-annals-IV-2-W5-21-2019, 2019
U. Nguyen, F. Rottensteiner, and C. Heipke
ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., IV-2-W5, 53–60, https://doi.org/10.5194/isprs-annals-IV-2-W5-53-2019, https://doi.org/10.5194/isprs-annals-IV-2-W5-53-2019, 2019
L. Halounová, C. Heipke, and A. Radtke
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLI-A, 1–298, https://doi.org/10.5194/isprs-archives-XLI-A-1-2018, https://doi.org/10.5194/isprs-archives-XLI-A-1-2018, 2018
A. Sledz, J. Unger, and C. Heipke
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-1, 413–420, https://doi.org/10.5194/isprs-archives-XLII-1-413-2018, https://doi.org/10.5194/isprs-archives-XLII-1-413-2018, 2018
A. Paul, K. Vogt, F. Rottensteiner, J. Ostermann, and C. Heipke
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-2, 845–852, https://doi.org/10.5194/isprs-archives-XLII-2-845-2018, https://doi.org/10.5194/isprs-archives-XLII-2-845-2018, 2018
M. Coenen, F. Rottensteiner, and C. Heipke
ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., IV-2, 73–80, https://doi.org/10.5194/isprs-annals-IV-2-73-2018, https://doi.org/10.5194/isprs-annals-IV-2-73-2018, 2018
X. Wang, F. Rottensteiner, and C. Heipke
ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., IV-2, 295–302, https://doi.org/10.5194/isprs-annals-IV-2-295-2018, https://doi.org/10.5194/isprs-annals-IV-2-295-2018, 2018
A. Paul, C. Yang, U. Breitkopf, Y. Liu, Z. Wang, F. Rottensteiner, M. Wallner, A. Verworn, and C. Heipke
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-3, 1355–1362, https://doi.org/10.5194/isprs-archives-XLII-3-1355-2018, https://doi.org/10.5194/isprs-archives-XLII-3-1355-2018, 2018
Christian Kruse, Franz Rottensteiner, Thorsten Hoberg, Marcel Ziems, Julia Rebke, and Christian Heipke
ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., IV-3, 127–134, https://doi.org/10.5194/isprs-annals-IV-3-127-2018, https://doi.org/10.5194/isprs-annals-IV-3-127-2018, 2018
Chun Yang, Franz Rottensteiner, and Christian Heipke
ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., IV-3, 251–258, https://doi.org/10.5194/isprs-annals-IV-3-251-2018, https://doi.org/10.5194/isprs-annals-IV-3-251-2018, 2018
J. Unger, F. Rottensteiner, and C. Heipke
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-2-W6, 385–392, https://doi.org/10.5194/isprs-archives-XLII-2-W6-385-2017, https://doi.org/10.5194/isprs-archives-XLII-2-W6-385-2017, 2017
M. Coenen, F. Rottensteiner, and C. Heipke
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-1-W1, 505–512, https://doi.org/10.5194/isprs-archives-XLII-1-W1-505-2017, https://doi.org/10.5194/isprs-archives-XLII-1-W1-505-2017, 2017
Christian Heipke, Karsten Jacobsen, Uwe Stilla, Franz Rottensteiner, Alper Yilmaz, Michael Ying Yang, Jan Skaloud, and Ismael Colomina
ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., IV-1-W1, 1–2, https://doi.org/10.5194/isprs-annals-IV-1-W1-1-2017, https://doi.org/10.5194/isprs-annals-IV-1-W1-1-2017, 2017
C. Heipke, K. Jacobsen, U. Stilla, F. Rottensteiner, A. Yilmaz, M. Ying Yang, J. Skaloud, and I. Colomina
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-1-W1, 1–2, https://doi.org/10.5194/isprs-archives-XLII-1-W1-1-2017, https://doi.org/10.5194/isprs-archives-XLII-1-W1-1-2017, 2017
A. Maas, M. Alrajhi, A. Alobeid, and C. Heipke
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-1-W1, 11–16, https://doi.org/10.5194/isprs-archives-XLII-1-W1-11-2017, https://doi.org/10.5194/isprs-archives-XLII-1-W1-11-2017, 2017
A. Maas, F. Rottensteiner, and C. Heipke
ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., IV-1-W1, 215–222, https://doi.org/10.5194/isprs-annals-IV-1-W1-215-2017, https://doi.org/10.5194/isprs-annals-IV-1-W1-215-2017, 2017
K. Vogt, A. Paul, J. Ostermann, F. Rottensteiner, and C. Heipke
ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., IV-1-W1, 229–236, https://doi.org/10.5194/isprs-annals-IV-1-W1-229-2017, https://doi.org/10.5194/isprs-annals-IV-1-W1-229-2017, 2017
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Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XL-5-W7, 543–543, https://doi.org/10.5194/isprs-archives-XL-5-W7-543-2016, https://doi.org/10.5194/isprs-archives-XL-5-W7-543-2016, 2016
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