Corrupted old film sequences restoration using improved PatchMatch and low-rank matrix recovery

Taking the corrupted old film as the research object, this paper proposed a new video restoration method based on improved PatchMatch and low-rank matrix recovery. Our method is divided into three steps. Firstly, we divide each frame in the video sequence into image patches with overlap region, and similar interframe patches are found using the proposed improved PatchMatch algorithm. Then, the low-rank matrix recovery is used to separate the patch group into low-rank matrix component and sparse error component. Finally, synthesizing the video frame by the recorded location of patches, and completing the multi-frame joint automatic restoration frame by frame. The proposed method has been tested on a set of old film sequences in this paper. Experiment demonstrates that it is an effective method for corrupted old film restoration.