Demystifying The Dynamics Of Linear Array Sensor Imagery

  • Dr. Koduri Srinivas
Conference paper


The present study aims at demystifying the dynamics of spacecraft imaging system including state vector, viewing orientation, attitude parameters (roll, pitch and yaw) and other related parameters, as a digital solution, with a full force rigorous orbital photogrammetric model

In this approach satellite orientation parameters are modeled as keplerian orbital parameters in continuous time domain, as against conventional approaches that use position and velocity vector parameters of the imaging platform in discreet time domain,. The attitude parameters are, however, modeled as polynomials in discreet time domain. This hybrid time domain model offers an excellent insight and a better understanding of the dynamics of linear array sensor imagery that is illustrated with a Spot 2 data set

The study brings out that the key components associated with dynamics of push broom imagery are two keplerian parameters true anomaly and ascending node, attitude parameters (roll, pitch and yaw) and distance between space craft and imaged ground point.


Remote sensing SPOT IRS satellites geometric rectification DEM ortho-photo image orientation stereo images continuous time domain model unified theory of least squares and rigorous orbital photogrammetric model 


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Copyright information

© Springer 2007

Authors and Affiliations

  • Dr. Koduri Srinivas
    • 1
  1. 1.Data Processing Area National Remote Sensing AgencyHyderabadIndia

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