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Debra Laefer

Professor of Practice, Center for Urban Science + Progress

    1993 …2020

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    2020

    Introduction of the intermeshed steel connection - A new universal steel connection

    Al-Sabah, S., Laefer, D. F., Hong, L. T., Huynh, M. P., Le, J. L., Martin, T., Matis, P., McGetrick, P., Schultz, A., Shemshadian, M. E. & Dizon, R., Mar 1 2020, In : Buildings. 10, 3, 37.

    Research output: Contribution to journal › Article

    Open Access

    Selective demolition of masonry unit walls with a soundless chemical demolition agent

    Natanzi, A. S., Laefer, D. F. & Zolanvari, S. M. I., Jul 10 2020, In : Construction and Building Materials. 248, 118635.

    Research output: Contribution to journal › Article

    Using Short-wave Infrared Range Spectrometry Data to Determine Brick Characteristics

    Laefer, D. F., Zahiri, Z. & Gowen, A., Jan 2 2020, In : International Journal of Architectural Heritage. 14, 1, p. 38-50 13 p.

    Research output: Contribution to journal › Article

    2019

    An empirical study to evaluate students’ conceptual modeling skills using UML

    Aljumaily, H., Cuadra, D. & Laefer, D. F., Oct 2 2019, In : Computer Science Education. 29, 4, p. 407-427 21 p.

    Research output: Contribution to journal › Article

    Characterising the segregation of self‑consolidating concrete using ultrasonic pulse velocity

    Abdelouahab, G., Abdelhalim, B. & Laefer, D. F., Mar 2019, In : Journal of the South African Institution of Civil Engineering. 61, 1, p. 26-37 12 p.

    Research output: Contribution to journal › Article

    Open Access

    Dynamic response of a multi-span, orthotropic bridge deck under moving truck loading with tandem axles

    Fisli, Y., Rezaiguia, A., Guenfoud, S. & Laefer, D. F., 2019, In : Diagnostyka. 20, 4, p. 37-48 12 p.

    Research output: Contribution to journal › Article

    Open Access

    Integration of lidar data and GIS data for point cloud semantic enrichment at the point level

    Aljumaily, H., Laefer, D. F. & Cuadra, D., Jan 2019, In : Photogrammetric Engineering and Remote Sensing. 85, 1, p. 29-42 14 p.

    Research output: Contribution to journal › Article

    LiDAR point-cloud mapping of building façades for building energy performance simulation

    O'Donnell, J., Truong-Hong, L., Boyle, N., Corry, E., Cao, J. & Laefer, D. F., Nov 2019, In : Automation in Construction. 107, 102905.

    Research output: Contribution to journal › Article

    Numerical study of the behavior of intermeshed steel connections under mixed-mode loading

    Shemshadian, M. E., Le, J. L., Schultz, A. E., McGetrick, P., Al-Sabah, S., Laefer, D. F., Martin, A., Hong, L. T. & Huynh, M. P., Sep 2019, In : Journal of Constructional Steel Research. 160, p. 89-100 12 p.

    Research output: Contribution to journal › Article

    Per-point processing for detailed urban solar estimation with aerial laser scanning and distributed computing

    Vo, A. V., Laefer, D. F., Smolic, A. & Zolanvari, S. M. I., Sep 2019, In : ISPRS Journal of Photogrammetry and Remote Sensing. 155, p. 119-135 17 p.

    Research output: Contribution to journal › Article

    Temperature-Induced Chemical Changes in Soundless Chemical Demolition Agents

    Natanzi, A. S., Laefer, D. F., Kakali, G. & Iman Zolanvari, S. M., Jul 1 2019, In : Journal of Materials in Civil Engineering. 31, 7, 04019098.

    Research output: Contribution to journal › Article

    UAV Bridge Inspection through Evaluated 3D Reconstructions

    Chen, S., Laefer, D. F., Mangina, E., Zolanvari, S. M. I. & Byrne, J., Apr 1 2019, In : Journal of Bridge Engineering. 24, 4, 05019001.

    Research output: Contribution to journal › Article

    2018

    A spatio-temporal index for aerial full waveform laser scanning data

    Laefer, D. F., Vo, A. V. & Bertolotto, M., Apr 2018, In : ISPRS Journal of Photogrammetry and Remote Sensing. 138, p. 232-251 20 p.

    Research output: Contribution to journal › Article

    Automatic extraction of road features in urban environments using dense ALS data

    Soilán, M., Truong-Hong, L., Riveiro, B. & Laefer, D., 2018, In : International Journal of Applied Earth Observation and Geoinformation. 64, p. 226-236 11 p.

    Research output: Contribution to journal › Article

    Impact of thermal transfer on hydration heat of a Soundless Chemical Demolition Agent

    Laefer, D. F., Natanzi, A. S. & Zolanvari, S. M. I., Oct 30 2018, In : Construction and Building Materials. 187, p. 348-359 12 p.

    Research output: Contribution to journal › Article

    Laser scan-based structural assessment of wrought iron bridges: Guinness Bridge, Ireland

    Gyetvai, N., Truong-Hong, L. & Laefer, D. F., Feb 23 2018, In : Proceedings of the Institution of Civil Engineers - Engineering History and Heritage. 171, 2, p. 76-89 14 p.

    Research output: Contribution to journal › Article

    Robust statistical approaches for circle fitting in laser scanning three-dimensional point cloud data

    Nurunnabi, A., Sadahiro, Y. & Laefer, D. F., Sep 2018, In : Pattern Recognition. 81, p. 417-431 15 p.

    Research output: Contribution to journal › Article

    The feasibility of short-wave infrared spectrometry in assessing water-to-cement ratio and density of hardened concrete

    Zahiri, Z., Laefer, D. F. & Gowen, A., Oct 10 2018, In : Construction and Building Materials. 185, p. 661-669 9 p.

    Research output: Contribution to journal › Article

    Three-dimensional building façade segmentation and opening area detection from point clouds

    Zolanvari, S. M. I., Laefer, D. F. & Natanzi, A. S., Sep 2018, In : ISPRS Journal of Photogrammetry and Remote Sensing. 143, p. 134-149 16 p.

    Research output: Contribution to journal › Article

    2017

    3D Reconstructions Using Unstabilised Video Footage from an Unmanned Aerial System

    Byrne, J., O’Keeffe, E., Lennon, D. & Laefer, D., 2017, In : Journal of Imaging. 3, 2, p. 15

    Research output: Contribution to journal › Article

    Open Access

    3D reconstructions using unstabilized video footage from an unmanned aerial vehicle

    Byrne, J., O'Keeffe, E., Lennon, D. & Laefer, D. F., Jun 2017, In : Journal of Imaging. 3, 2, 3020015.

    Research output: Contribution to journal › Article

    Open Access

    Axial load effects on flush end-plate moment connections

    Goudarzi, A., Ghassemieh, M., Fanaie, N., Laefer, D. F. & Baei, M., Mar 1 2017, In : Proceedings of the Institution of Civil Engineers: Structures and Buildings. 170, 3, p. 199-210 12 p., 1500042.

    Research output: Contribution to journal › Article

    Maximizing Feature Detection in Aerial UAV Datasets

    Byrne, J., Laefer, D. & O’Keeffe, E., 2017, (Accepted/In press) In : Journal of Applied Remote Sensing.

    Research output: Contribution to journal › Article

    Maximizing feature detection in aerial unmanned aerial vehicle datasets

    Byrne, J., Laefer, D. F. & O'Keeffe, E., Apr 1 2017, In : Journal of Applied Remote Sensing. 11, 2, 025015.

    Research output: Contribution to journal › Article

    Temperature-related performance factors for chemical demolition agents

    Huynh, M. P., Laefer, D. F., McGuill, J. & White, A., 2017, In : International Journal of Masonry Research and Innovation, Inderscience. 2, 2-3, p. 220-240 21 p.

    Research output: Contribution to journal › Article

    The electronic structure and optical properties of rutile TiO2 co-doped with nickel and cerium

    Amraoui, R., Doghmane, M., Chettibi, S. & Laefer, D. F., Dec 2017, In : Chinese Journal of Physics. 55, 6, p. 2393-2399 7 p.

    Research output: Contribution to journal › Article

    Toward automatic generation of 3D steel structures for building information modelling

    Laefer, D. F. & Truong-Hong, L., Feb 1 2017, In : Automation in Construction. 74, p. 66-77 12 p.

    Research output: Contribution to journal › Article

    Urban Point Cloud Mining Based on Density Clustering and MapReduce

    Aljumaily, H., Laefer, D. F. & Cuadra, D., Sep 1 2017, In : Journal of Computing in Civil Engineering. 31, 5, 04017021.

    Research output: Contribution to journal › Article

    2016

    Big-Data Approach for Three-Dimensional Building Extraction from Aerial Laser Scanning

    Aljumaily, H., Laefer, D. F. & Cuadra, D., 2016, In : Journal of Computing in Civil Engineering. 30, 3, 04015049.

    Research output: Contribution to journal › Article

    Cold and moderate ambient temperatures effects on expansive pressure development in soundless chemical demolition agents

    Natanzi, A. S., Laefer, D. F. & Connolly, L., May 1 2016, In : Construction and Building Materials. 110, p. 117-127 11 p.

    Research output: Contribution to journal › Article

    Effect of sludge pH and treatment time on the electrokinetic removal of aluminum from water potabilization treatment sludge

    Cherifi, M., Boutemine, N., Laefer, D. F. & Hazourli, S., Apr 1 2016, In : Comptes Rendus Chimie. 19, 4, p. 511-516 6 p.

    Research output: Contribution to journal › Article

    Meshfree Sequentially Linear Analysis of Concrete

    Salam Al-Sabah, A. & Laefer, D. F., Mar 1 2016, In : Journal of Computing in Civil Engineering. 30, 2, 04015009.

    Research output: Contribution to journal › Article

    Processing of Extremely High Resolution LiDAR and RGB Data: Outcome of the 2015 IEEE GRSS Data Fusion Contest-Part B: 3-D Contest

    Vo, A. V., Truong-Hong, L., Laefer, D. F., Tiede, D., Doleire-Oltmanns, S., Baraldi, A., Shimoni, M., Moser, G. & Tuia, D., Dec 2016, In : IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. 9, 12, p. 5560-5575 16 p.

    Research output: Contribution to journal › Article

    Selection, production, and testing of scaled reinforced concrete models and their components

    Laefer, D. F. & Erkal, A., Nov 15 2016, In : Construction and Building Materials. 126, p. 398-409 12 p.

    Research output: Contribution to journal › Article

    Slicing Method for curved façade and window extraction from point clouds

    Iman Zolanvari, S. M. & Laefer, D. F., Sep 1 2016, In : ISPRS Journal of Photogrammetry and Remote Sensing. 119, p. 334-346 13 p.

    Research output: Contribution to journal › Article

    Uncertainty analysis of the effect of grout injection on the deformation of multi-wythe stone masonry walls

    Isfeld, A. C., Moradabadi, E., Laefer, D. F. & Shrive, N. G., Nov 15 2016, In : Construction and Building Materials. 126, p. 661-672 12 p.

    Research output: Contribution to journal › Article

    Use of negative stiffness in failure analysis of concrete beams

    Al-Sabah, A. S. & Laefer, D. F., Nov 1 2016, In : Engineering Structures. 126, p. 187-199 13 p.

    Research output: Contribution to journal › Article

    2015

    Adopting flexibility of the end-plate connections in steel moment frames

    Ghassemieh, M., Baei, M., Kari, A., Goudarzi, A. & Laefer, D. F., May 1 2015, In : Steel and Composite Structures. 18, 5, p. 1215-1237 23 p.

    Research output: Contribution to journal › Article

    Advantages of Infinite Elements over Prespecified Boundary Conditions in Unbounded Problems

    Erkal, A., Laefer, D. F. & Tezcan, S., Nov 1 2015, In : Journal of Computing in Civil Engineering. 29, 6, 04014085.

    Research output: Contribution to journal › Article

    A hybrid method for foundation reuse evaluation

    Laefer, D. F. & Farrell, K. A., Aug 1 2015, In : Environmental Geotechnics. 2, 4, p. 224-236 13 p.

    Research output: Contribution to journal › Article

    A semi-random field finite element method to predict the maximum eccentric compressive load for masonry prisms

    Moradabadi, E., Laefer, D. F., Clarke, J. A. & Lourenço, P. B., Feb 15 2015, In : Construction and Building Materials. 77, p. 489-500 12 p.

    Research output: Contribution to journal › Article

    Dynamic amplification of a multi-span, continuous orthotropic bridge deck under vehicular movement

    Rezaiguia, A., Ouelaa, N., Laefer, D. F. & Guenfoud, S., Oct 1 2015, In : Engineering Structures. 100, p. 718-730 13 p.

    Research output: Contribution to journal › Article

    Dynamic amplification of an orthotropic, multi span bridge deck under moving truck with tandem axles

    Fisli, Y., Rezaiguia, A., Guenfoud, S., Laefer, D. F. & Kaddeche, M., 2015, In : Lecture Notes in Mechanical Engineering. 789, p. 523-535 13 p.

    Research output: Contribution to journal › Article

    Nonlinear analysis of isotropic slab bridges under extreme traffic loading

    Hajializadeh, D., Salam Al-Sabah, A., Obrien, E. J., Laefer, D. F. & Enright, B., Aug 11 2015, In : Canadian Journal of Civil Engineering. 42, 10, p. 808-817 10 p.

    Research output: Contribution to journal › Article

    Octree-based region growing for point cloud segmentation

    Vo, A. V., Truong-Hong, L., Laefer, D. F. & Bertolotto, M., Jun 1 2015, In : ISPRS Journal of Photogrammetry and Remote Sensing. 104, p. 88-100 13 p.

    Research output: Contribution to journal › Article

    Quantitative evaluation strategies for urban 3D model generation from remote sensing data

    Truong-Hong, L. & Laefer, D. F., Jul 28 2015, In : Computers and Graphics (Pergamon). 49, p. 82-91 10 p.

    Research output: Contribution to journal › Article

    Recent Trends and Remaining Limitations in Urban Microclimate Models

    Singh, M. & Laefer, D., 2015, In : Open Urban Studies and Demographics Journal.

    Research output: Contribution to journal › Article

    Open Access

    Structure - Property relationships in microcrystalline waxes for museum seismic protection applications

    Laefer, D. F., Kennedy, J. E., O'Flynn, K. P. & Stanton, K. T., 2015, In : Progress in Rubber, Plastics and Recycling Technology. 31, 4, p. 281-295 15 p.

    Research output: Contribution to journal › Article

    Vector-raster Data Fusion for Object Extraction

    Aljumaily, H., Laefer, D. & Cuadra, D., 2015, In : Advances in Computer Science and Engineering.

    Research output: Contribution to journal › Article

    Visualisation of urban airborne laser scanning data with occlusion images

    Hinks, T., Carr, H., Gharibi, H. & Laefer, D. F., Jun 1 2015, In : ISPRS Journal of Photogrammetry and Remote Sensing. 104, p. 77-87 11 p.

    Research output: Contribution to journal › Article