Geocoding Simulation of EROS-B Synchronous Imagery and Comparison to EROS-A1 Asynchronous Data

On April, 25 2006, ImageSat International (Israel) successfully launched his next-generation EROS-B satellite. Compared to EROS-A1, EROS-B has a superior observing capability and synchronous data acquisition, thus, limiting the geometric deformations and ground resolution changes that afflict EROS-A1 data. This paper examines the EROS-B image geocoding by means of image simulation from aerial data and comparison with real EROS-A1 data by using an Automatic Multiplatform Triangulation (AMT) strategy. Results show that, without using rigorous sensor model, pre-determined RPCs and for approximately nadir-looking geometry, it is expected to obtain EROS-B orhoimages with a root mean square error between 1.23 m and 1.79 m.