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Towards Automatic Digital Documentation and Progress Reporting of Mechanical Construction Pipes using Smartphones
It was observed that the proposed metric scale definition achieved sub-millimeter pipe radius estimation accuracy.
Automated Calibration of Mobile Cameras for 3D Reconstruction of Mechanical Pipes
This manuscript provides a new framework for calibration of optical instruments, in particular mobile cameras, using large-scale circular black and white target fields.
Robust Detection of Non-overlapping Ellipses from Points with Applications to Circular Target Extraction in Images and Cylinder Detection in Point Clouds
The methods introduce new developments in: (i) robust Monte Carlo-based ellipse fitting to 2-dimensional (2D) points in the presence of outliers; (ii) detection of non-overlapping ellipse from 2D edge points; and (iii) extraction of cylinder from 3D point clouds.
Modelling Errors in X-ray Fluoroscopic Imaging Systems Using Photogrammetric Bundle Adjustment With a Data-Driven Self-Calibration Approach
X-ray imaging is a fundamental tool of routine clinical diagnosis.
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