Journal of Surveying Engineering: Recent submissions

Now showing items 381-400 of 1023

    • New Models for Scattering Bias Compensation in Time-of-Flight Range Camera Self-Calibration 

      Derek D.; Lichti; Jacky C. K.; Chow; Edson; Mitishita; Jorge Antonio Silva; Centeno; Felipe Martins Marques da; Silva; Roberto Arocha; Barrios; Ilich; Contreras (American Society of Civil Engineers, 2014)
      The geometric calibration of time-of-flight range cameras is a necessary quality assurance measure performed to estimate the interior orientation parameters. Self-calibration from a network of range imagery of an array of ...

    • Surveying Colocated GNSS, VLBI, and SLR Stations in China 

      Xiuqiang; Gong; Yunzhong; Shen; Jiexian; Wang; Bin; Wu; Xinzhao; You; Junping; Chen (American Society of Civil Engineers, 2014)
      The local tie vectors between different space geodesy instruments in colocated sites, such as the global navigation satellite system (GNSS), very long baseline interferometry (VLBI), and satellite laser ranging (SLR), are ...

    • Digital Surface Models for GNSS Mission Planning in Critical Environments 

      Ackermann; Angrisano; Del Pizzo; Gaglione; Gioia; Troisi (American Society of Civil Engineers, 2014)
      Global Navigation Satellite System (GNSS) surveys performed in critical environments (e.g., urban canyons, mountainous areas, or areas of dense vegetation) usually suffer from a lack of satellite coverage as a result of ...

    • Univariate Approach for Detecting Outliers in Geodetic Networks 

      Serif; Hekimoglu; Bahattin; Erdogan; Metin; Soycan; Utkan Mustafa; Durdag (American Society of Civil Engineers, 2014)
      In geodetic networks, observations are measured repetitively, and the mean values of these observations are used for network adjustment, outlier detection, deformation analysis, etc. These repetitive observations are ...

    • Practical Formulas for the Refraction Coefficient 

      Sergio; Baselga; Luis; García-Asenjo; Pascual; Garrigues (American Society of Civil Engineers, 2014)
      Knowledge of the actual refraction coefficient is essential in leveling surveys and precise electromagnetic distance measurement reduction. The most common method followed by the surveyor for its determination is based on ...

    • Efficient Between-Satellite Single-Difference Precise Point Positioning Model 

      Mohamed; Elsobeiey; Ahmed; El-Rabbany (American Society of Civil Engineers, 2014)
      This paper describes a new model for precise point positioning (PPP), which overcomes the drawbacks of existing PPP models. This model is based on between-satellite single-difference (BSSD), which cancels out the receiver ...

    • On Deflection of the Vertical Components and Their Transformations 

      Tomás; Soler; Jen-Yu; Han; Neil D.; Weston (American Society of Civil Engineers, 2014)
      The deflection of the vertical is an important parameter that combines both physical (astronomic) and geometric (geodetic) determined quantities. This paper introduces an alternative didactic approach based on rotations ...

    • Time-Variant Adjustment for a Level Network 

      Jen-Yu; Han; Cheinway; Hwang; Jun-Yun; Chou; Wei-Chia; Hung (American Society of Civil Engineers, 2014)
      It has been routine work to determine the elevations of points on Earth’s surface for a wide range of purposes. However, surveyors are now facing new challenges because of the increasing demand for high-quality measurements ...

    • Determination of the Geometric Form of Hierapolis Theater in Pamukkale, Turkey 

      Ozan; Arslan; Orhan; Kurt (American Society of Civil Engineers, 2014)
      This work addresses the issue of fitting a geometrical shape to the Hierapolis theater near the city of Denizli, Turkey. The aim of the study was to determine the geometrical shape of the theater that would best fit the ...

    • Simple Solution to the Three Point Resection Problem 

      Marcin; Ligas (American Society of Civil Engineers, 2013)
      The paper presents a simple method of finding the solution to the planar three point resection problem. The main concept leading to the solution is based on an idea of two intersecting circles (which is not new in the ...

    • Feature Conjugation for Intensity-Coded LIDAR Point Clouds 

      Jen-Yu; Han; Nei-Hao; Perng; Yan-Ting; Lin (American Society of Civil Engineers, 2013)
      Feature conjugation is a major task in modern-day spatial analysis and contributes to efficient integration across multiple data sets. In this study, an efficient approach that utilizes the intensity information provided ...

    • Least-Squares Variance Component Estimation Applied to GPS Geometry-Based Observation Model 

      A. R.; Amiri-Simkooei; Zangeneh-Nejad; Asgari (American Society of Civil Engineers, 2013)
      To achieve the best linear unbiased estimation of unknown parameters in geodetic data processing a realistic stochastic model for observables is required. This work is a follow-up to work carried out recently in which the ...

    • Using OPUS for Measuring Vertical Displacements in Houston, Texas 

      Guoquan; Wang; Tomás; Soler (American Society of Civil Engineers, 2013)
      The Houston area has been suffering from subsidence for several decades. Therefore, continuously operating reference stations (CORS) in this area may have experienced considerable vertical displacements. The Online Positioning ...

    • Study of Reliable Rapid and Ultrarapid Static GNSS Surveying for Determination of the Coordinates of Control Points in Obstructed Conditions 

      Mieczysław; Bakuła (American Society of Civil Engineers, 2013)
      This paper presents a method for the surveying and reliable processing of Global Navigation Satellite System (GNSS) observations in rapid and ultrarapid static surveying for determination of control-point coordinates. The ...

    • Precise Photogrammetric Reconstruction Using Model-Based Image Fitting for 3D Beam Deformation Monitoring 

      Eunju; Kwak; Ivan; Detchev; Ayman; Habib; Mamdouh; El-Badry; Christine; Hughes (American Society of Civil Engineers, 2013)
      Periodic structural health monitoring of infrastructure systems is important to avoid economic losses and human casualties. Traditionally, deformation monitoring has been done through surveying techniques. Recently, with ...

    • Ambiguity-Free Method for Fast and Precise GNSS Differential Positioning 

      Sergio; Baselga (American Society of Civil Engineers, 2014)
      Methods based on integer ambiguity determination, such as the least-squares ambiguity decorrelation adjustment (LAMBDA) method, are currently used for precise global navigation satellite system (GNSS) differential positioning. ...

    • Alternative Algorithm for Determining the Attitude Parameters of a Moving Platform Using Multi-Antenna GNSS Sensors 

      Jen-Yu; Han; Jenny; Guo; Rou-Yu; Liu (American Society of Civil Engineers, 2013)
      This case study aims to demonstrate a multi-antenna Global Navigation Satellite System (GNSS) technique and quality evaluation approach that can be used to determine the attitude parameters for a moving platform. First, ...

    • Orthometric Height Improvement in Tainan City using RTK GPS and Local Geoid Corrector Surface Models 

      Lao-Sheng; Lin (American Society of Civil Engineers, 2014)
      Various corrector surface models are proposed to mitigate systematic height errors to fit the orthometric heights determined by combining the Tainan City real-time kinematic (RTK) global positioning system (GPS) network ...

    • Noniterative Datum Transformation Revisited with Two-Dimensional Affine Model as a Case Study 

      Bofeng; Li; Yunzhong; Shen; Lizhi; Lou (American Society of Civil Engineers, 2013)
      In geospatial applications, the datum transformation has been necessarily employed to transform the geospatial outcomes from the data-collection system to the user-interested system. Its key is to compute the transformation ...

    • 3σ-Rule for Outlier Detection from the Viewpoint of Geodetic Adjustment 

      Rüdiger; Lehmann (American Society of Civil Engineers, 2013)
      The so-called