Research and implementation of grid-enabled parallel algorithm of geometric correction in chinagrid

ChinaGrid is an important project sponsored by China ministry of education. In this work, one of the ChinaGrid applications, parallel remote sensing image processing, is described. Geometric correction is a basic step during the processing of remote sensing image, which is traditionally a computation-intensive and communication-intensive application if in parallel mode. In order to moving this application into grid, a new grid-enabled parallel algorithm of geometric correction GPGC is proposed. Experimental results show that our algorithm is more suitable for grid platform, excelling old method in performance and salability. In the end, the overall architecture of service system of ChinaGrid and the portal of our application are given.