Computer program products and a mobile terminal for transmitting and receiving video data. Image data of first and second frames of a video signal captured by a camera is used to determine encoded first spatial units of the first frame and encoded second spatial units of the second frame at lower spatial resolution, which are transmitted to the receiver terminal. The second spatial units are unaligned with the first spatial units due to rotation of the camera between the first and second frames, such that each of the second spatial units partially overlaps with at least one first spatial unit. An indication of the angle of rotation of the camera between the first and second frames is detected using a rotational motion sensor and transmitted to the receiver terminal. The receiver terminal combines the first and second spatial units using the indication to reconstruct an image of higher spatial resolution.