Application of Kepler motion in the orientation of HRC - CBERS 2B images

作者：Rodrigues Tiago Lima^*; Damasceno Ferreira Luiz Danilo

来源：Boletim de Ciencias Geodesicas, 2013, 19(1): 114-134.

• Exterior Orientation
• HRC/CBERS 2B
• Kepler Model

Over the past 20 years, research aimed at developing of rigorous models for the orientation of linear pushbroom sensors aboard orbiting platforms have been developed and presented. In most studies, the trajectory and orientation of the satellite during the formation of different lines of a scene has been obtained from polynomials of 1st, 2nd and even 3rd degree. However, the assignment of physical significance to the polynomial coefficients indicates that the first and the second terms refer to the velocity and acceleration of the platform at acquisition time of the first line of the scene respectively. In this case, these quantities can be associated whit the Two Bodies Problem which is developed according to the equation of Uniformly Varied Motion. The resulting model was named by Michalis and Dowman as Kepler Model. In this research, the Kepler Model is applied to the orientation of HRC/CBERS 2B images and compared to models using polynomials for the spread of exterior orientation parameters (POE), widely used today. The results obtained by comparing the Kepler model and polynomial models indicated that use of the first model allowed to obtain better results when compared to the second.

• 出版日期2013-3