In his work he developed and analysed methods for 3D tree reconstruction from topographic LiDAR point clouds.
Bremer, M., Wichmann, V. & Rutzinger, M. (2018): Multi-temporal fine-scale modelling of Larix decidua forest plots using terrestrial LiDAR and hemispherical photographs. Remote Sensing of Environment. Vol. 206, pp. 189–204.
Bremer, M., Wichmann, V. & Rutzinger, M. (2017): Calibration and Validation of a Detailed Architectural Canopy Model Reconstruction for the Simulation of Synthetic Hemispherical Images and Airborne LiDAR Data. Remote Sensing. Vol. 9(3), pp. 1-22.
Bremer, M., Rutzinger, M. & Wichmann, V. (2013): Derivation of tree skeletons and error assessment using LiDAR point cloud data of varying quality. ISPRS Journal of Photogrammetry and Remote Sensing. Vol. 80, pp. 39-50.
Bremer, M., Wichmann, V. & Rutzinger, M. (2013): Eigenvalue and graph-based object extraction from mobile laser scanning point clouds. In: ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences. Vol. II-5/W2, pp. 55-60.