1. A method, comprising: receiving an image with location information from a client; requesting processed region data from a media server based on the location information, said processed region data comprising one or more images with the corresponding location information; applying a first process for determining a pose of a device for the received image by means of the processed region data; if the first process fails to result the pose of the device, applying a second process for determining a pose of a device for the received image by means of the processed region data; saving the image with the determined pose of the device to the media server; providing the image and the pose of the device to a client for client rendering.