A spatiotemporal image sequence restoration algorithm

Temporal restoration of image sequences may fail because of erroneously estimated motion. Motion estimation failures may occur for several reasons: complicated motion, severe artefacts, or a combination of both. We present here an algorithm that tries to overcome at least the problems related to the severe artefacts. It consists of a spatial restoration, which is supposed to recover the general image structure within the missing areas, followed by a temporal restoration. First performing spatial restoration has the advantage that the the motion estimation during temporal restoration can rely on the spatially restored frames. The efficiency of the spatial restoration scheme is demonstrated for both artificial and real life examples. Restoration results when using only temporal restoration are presented for the real life sequences. Finally, we compare both restoration methods with results of the proposed spatiotemporal algorithm which shows its superior behaviour.

• Type: Conference
• Year: 2002
• Where: ICIP
• Authors: Andrei Rares, Marcel J. T. Reinders, Reginald L. Lagendijk, Jan Biemond
• Keywords: ICIP 2002, Image Processing, Restoration Methods, Spatial Restoration Scheme, Temporal Restoration