Recent Submissions

  • GNSS Signal and Measurement Quality Monitoring for Multipath Detection and Mitigation 

    Pirsiavash, Ali (Schulich School of Engineering, Geomatics Engineering, University of Calgary, 2019-08)
    Receiver level Global Navigation Satellite Systems (GNSS) Signal and Measurement Quality Monitoring (SQM and MQM) to detect and de-weight measurements distorted by multipath are investigated. SQM and MQM monitoring metrics ...
  • Robust Detection of Non-overlapping Ellipses from Points with Applications to Circular Target Extraction in Images and Cylinder Detection in Point Clouds 

    Maalek, Reza; Lichti, Derek D (Elsevier, Schulich School of Engineering, Geomatics Engineering, https://www.elsevier.com/journals/isprs-journal-of-photogrammetry-and-remote-sensing/0924-2716/open-access-options, acceptedVersion, 2021-04-14)
    Detection of non-overlapping ellipses from 2-dimensional (2D) edge points is an essential step towards solving typical photogrammetry problems pertaining to feature detection, calibration, and registration of optical ...
  • Towards Automatic Digital Documentation and Progress Reporting of Mechanical Construction Pipes using Smartphones 

    Maalek, Reza; Lichti, Derek D; Maalek, Shahrokh (Elsevier, Schulich School of Engineering, Geomatics Engineering, University of Calgary, https://www.elsevier.com/journals/automation-in-construction/0926-5805/open-access-options, acceptedVersion, 2021-04-27)
    This manuscript presents a new framework towards automated digital documentation and progress reporting of mechanical pipes in building construction projects, using smartphones. New methods were 13proposed to ...
  • Automated calibration of mobile cameras for 3D reconstruction of mechanical pipes 

    Maalek, Reza; Lichti, Derek D (Wiley, Schulich School of Engineering, Geomatics Engineering, University of Calgary, https://authorservices.wiley.com/author-resources/Journal-Authors/licensing/self-archiving.html, acceptedVersion, 2021-04-06)
    This manuscript provides a new framework for calibration of optical instruments, in particular mobile cameras, using highly-redundant circular black and white target fields. New methods ...
  • Enhanced nanoplasmonic heating in standoff sensing of explosive residues with infrared reflection-absorption spectroscopy 

    Simin, Nicholas; Park, Yangkyu; Lee, Dongkyu; Thundat, Thomas; Kim, Seonghwan (Schulich School of Engineering, Mechanical & Manufacturing Engineering, University of Calgary, Korea Institute of Machinery and Materials, State University of New York at Buffalo, acceptedVersion, 2020-03-10)
    Various standoff sensing techniques employing optical spectroscopy have been developed to address challenges in safely identifying trace amounts of explosives at a distance. A flexible anodic aluminum oxide (AAO) microcantilever ...
  • New Confocal Hyperbola-based Ellipse Fitting with Applications to Estimating Parameters of Mechanical Pipes from Point Clouds 

    Maalek, Reza; Lichti, Derek D (University of Calgary, Schulich School of Engineering, Geomatics Engineering, University of Calgary, submittedVersion, 2021-03-14)
    This manuscript presents a new method for fitting ellipses to two-dimensional data using the confocal hyperbola approximation to the geometric distance of points to ellipses. The proposed method was evaluated and compared ...
  • Characterization of Signal Quality Monitoring Techniques for Multipath Detection in GNSS Applications 

    Pirsiavash, Ali; Broumandan, Ali; Lachapelle, Gérard (Schulich School of Engineering, University of Calgary, publishedVersion, 2017-07-05)
    The performance of Signal Quality Monitoring (SQM) techniques under different multipath scenarios is analyzed. First, SQM variation profiles are investigated as critical requirements in evaluating the theoretical performance ...
  • Acoustic subsurface-atomic force microscopy: Three-dimensional imaging at the nanoscale 

    Sharahi, Hossein J.; Janmaleki, Mohsen; Tetard, Laurene; Kim, Seonghwan; Sadeghian, Hamed; Verbiest, Gerard J. (Schulich School of Engineering, Centre for Bioengineering Research and Education, Mechanical & Manufacturing Engineering, University of Calgary, University of Central Florida, Eindhoven University of Technology, Delft University of Technology, acceptedVersion, 2021-01)
    The development of acoustic subsurface atomic force microscopy, which promises three-dimensional imaging with single-digit nanometer resolution by introduction of ultrasound actuations to a conventional atomic force ...
  • Facile and rapid synthesis of functionalized Zr-BTC for the optical detection of the blistering agent simulant 2-chloroethyl ethyl sulfide (CEES) 

    Abuzalat, Osama; Homayoonnia, Setareh; Wong, Danny; Tantawy, Hesham R.; Kim, Seonghwan (Royal Society of Chemistry, Schulich School of Engineering, Mechanical & Manufacturing Engineering, University of Calgary, Military Technical College, https://www.rsc.org/journals-books-databases/open-access/green-open-access/, acceptedVersion, 2021-02)
    2-chloroethyl ethyl sulfide (CEES) is a simulant for the chemical warfare agent, bis(2-chloroethyl) sulfide, also known as mustard gas. Here, we demonstrate a facile and rapid method to synthesize a functionalized metal-organic ...
  • Linear regression with an observation distribution model 

    Lichti, Derek D; Chan, Ting On; Belton, David (Springer, Schulich School of Engineering, Geomatics Engineering, University of Calgary, https://www.springer.com/gp/open-access/publication-policies/self-archiving-policy, acceptedVersion, 2021-01-18)
    Despite the high complexity of the real world, linear regression still plays an important role in estimating parameters to model a physical relationship between at least two variables. The precision of the estimated ...

View more