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Showing 1 to 8 of 8 for “"Least squares adjustment"”.

  1. The image processing for the target centre detection in digital image

    … target on the digital image. These are the least squares adjustment technique, moment method, moment-preserving for edge detection as well as test methods for the evaluation of the various alglorithms. The novel RG method is presented in chapter four. Chapter five introduces the theory of …

    cape-town Repository record for The image processing for the target centre detection in digital image (opens in a new tab)

  2. Investigation of refraction effects for small GPS networks

    … point's coordinates is also investigated. A least squares adjustment program is developed and used to obtain a single consistent set of 3-D coordinates for the Tygerberg Test Network (TTN). The results of two GPS processing packages are compared by means of a conformal transformation. It is …

    cape-town Repository record for Investigation of refraction effects for small GPS networks (opens in a new tab)

  3. Analysis of interferometric SAR for topographic mapping

    … in InSAR. The model develops a simultaneous least squares adjustment of all the measurements by radargrammetry and interferometric SAR, together with ground control, using condition and observation equations. In this case the basic measurements include range, unwrapped phase, and the ground …

    unsw Repository record for Analysis of interferometric SAR for topographic mapping (opens in a new tab)

  4. Relative orientation with limited control in close range Photogrammetry

    … a review of the concepts of rotation matrices, least squares adjustment and the generation of synthetic image co-ordinate observations, the study is executed in three major steps. A test field of high precision is established by means of space intersection and a camera calibration method for …

    cape-town Repository record for Relative orientation with limited control in close range Photogrammetry (opens in a new tab)

  5. Measuring Ground Movement by Precise Survey

    … techniques. A comprehensive, parametric, least squares adjustment computer program was developed to assist in the determination of the limit of accuracy, selection of the most desirable configuration and field procedure given the equipment available at the University of Saskatchewan, …

    sask Repository record for Measuring Ground Movement by Precise Survey (opens in a new tab)

  6. Estimated Distributed Near-Field Surface Displacements Using Nascent Mobile Laser Scanning

    … random sample consensus estimator. A combined least squares adjustment is developed for primitive modeling and change detection for both bi- and multi-temporal lidar time series, and the multi-temporal analysis introduces additional temporal constraints for further accuracy improvement. Using …

    houston Repository record for Estimated Distributed Near-Field Surface Displacements Using Nascent Mobile Laser Scanning (opens in a new tab)

  7. Accelerated Least Squares Network Adjustments and Graph Decompositions

    … this project by reviewing the standard method, least squares adjustment, and several variants each of which is purported to be faster than the standard method. We apply asymptotic analysis to each of these methods and compare them to determine which method should be considered further. The …

    carleton Repository record for Accelerated Least Squares Network Adjustments and Graph Decompositions (opens in a new tab)

  8. A line photogrammetry algorithm for 3D rectilinear object reconstruction

    … line-point observations in the image. A least squares adjustment involves fitting a straight line as near as possible to the projection planes from all images simultaneously. The adjusted line is referred to as a best-fitting line through a "pencil of planes" (POP). In this project, a …

    cape-town Repository record for A line photogrammetry algorithm for 3D rectilinear object reconstruction (opens in a new tab)