We explore the use of Cramer-Rao bound calculations for predicting fundamental limits on the accuracy with which target characteristics can be determined by using imaging sensors. In particular, estimation of satellite orientation from high-resolution sensors is examined. The analysis role that such bounds provide for sensor/experiment design, operation, and upgrade is discussed. Emphasis is placed on the importance of including all relevant target/sensor uncertainties in the analysis. Computer simulations are performed that illustrate that uncertainties in target features (e.g., shape, reflectance, and relative orientation) have a significant impact on the bounds and provide considerable insight as to how details of the three-dimensional target structure may influence the estimation process. The simulations also address the impact that a priori information has on the bounds.


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    Titel :

    Cramer-Rao analysis of orientation estimation: influence of target model uncertainties


    Beteiligte:
    Gerwe, D.R. (Autor:in) / Hill, J.L. (Autor:in) / Idell, P.S. (Autor:in)


    Erscheinungsdatum :

    2003


    Format / Umfang :

    10 Seiten, 21 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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